2.2.5 Library 74LS - ICs Digital, Bipolar TTL Series 74LS

Contents ..................: ICs Digital, Bipolar TTL Series 74LS
Design DataBase File ......: 74ls.ddb (265 KB; updated 26 May 2006)
Logical Library File ......: 74ls.def (76 KB; updated 27 September 2006)
ZIP File ..................: 74ls.zip (51 KB; updated 15 December 2006)
PDF File ..................: 74ls.pdf (170 KB; updated 06 December 2007)
SCM Sheets ................: 0
SCM Symbols ...............: 196
SCM Labels ................: 0
SCM Markers ...............: 1
Layouts ...................: 0
Layout Parts/Footprints ...: 0
Layout Padstacks ..........: 0
Layout Pads ...............: 0
Last Change ...............: 09/05/2006 16:30:04 [GMT]

Library 74LS - SCM Symbols/Parts
Symbol / Part	Description / Function	Package Assignment(s)	Manufacturer(s)	Marker	SCM Sheets(s) using Symbol	Last Change
74ls00	Quad 2 Input NAND Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls01	Quad 2 Input NAND Gate TTL Output: Open Collector	default so14, dil14	-	pin		09/05/2006
74ls02	Quad 2 Input NOR Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls03	Quad 2 Input NAND Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls04	Hex Inverter TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls05	Hex Inverter TTL Output: Open Collector	default so14, dil14	-	pin		09/05/2006
74ls08	Quad 2 Input AND Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls09	Quad 2 Input AND Gate TTL Output: Open Collector	default so14, dil14	-	pin		09/05/2006
74ls10	Triple 3 Input NAND Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls11	Triple 3 Input AND Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls12	Triple 3 Input NAND Gate TTL Output: Open Collector	default so14, dil14	-	pin		09/05/2006
74ls13	Dual 4 Input NAND Schmitt Trigger TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls14	Hex Schmitt Trigger TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls15	Triple 3 Input AND Gate TTL Output: Open Collector	default so14, dil14	-	pin		09/05/2006
74ls18	Dual 4 Input NAND Schmitt Trigger TTL Output: Totem Pole	default dil14	-	pin		09/05/2006
74ls19	Hex Schmitt Trigger Inverter TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls20	Dual 4 Input NAND Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls21	Dual 4 Input AND Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls22	Dual 4 Input NAND Gate TTL Output: Open Collector	default so14, dil14	-	pin		09/05/2006
74ls24	Quad 2 Input NAND Schmitt Trigger TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls26	Quad 2 Input NAND, 15V Output TTL Output: Open Collector	default so14, dil14	-	pin		09/05/2006
74ls27	Triple 2 Input NOR Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls28	Quad 2 Input NOR Buffer TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls30	8 Input NAND Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls31	Delay Elements TTL Output: Totem Pole	so16, dil16	-	pin		09/05/2006
74ls32	Quad 2 Input OR Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls33	Quad 2 Input NOR Gate TTL Output: Open Collector	default so14, dil14	-	pin		09/05/2006
74ls37	Quad 2 Input NAND Buffer TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls38	Quad 2 Input NAND Buffer TTL Output: Open Collector	default so14, dil14	-	pin		09/05/2006
74ls40	Dual 4 Input NAND Buffer TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls42	BCD to Decimal Decoder TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls47	BCD to 7-Segment Decoder, 15V Output TTL Output: Open Collector	default so16, dil16	-	pin		09/05/2006
74ls48	BCD to 7-Segment Decoder/Driver TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls49	BCD to 7-Segment Decoder/Driver TTL Output: Open Collector	default so14, dil14	-	pin		09/05/2006
74ls51	3-3/2-2 Input AND-OR-Invert Gates TTL Output: Totem Pole	so14, dil14	-	pin		09/05/2006
74ls54	2-3-3-2 Input AND-OR-Invert Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls55	2 Wide 4 Input AND-OR-Invert Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls56	Frequency Divider 50 to 1 TTL Output: Totem Pole	default dil8	-	pin		09/05/2006
74ls57	Frequency Divider 60 to 1 TTL Output: Totem Pole	default dil8	-	pin		09/05/2006
74ls63	Hex Current Sensing Interface Gate	default so14, dil14	-	pin		09/05/2006
74ls68	Dual 40 MHz Decade Counter TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls69	Dual 40 MHz 4 Bit Binary Counter TTL Output: Totem Pole	default dil16	-	pin		09/05/2006
74ls73	Dual J-K Flip-Flop, Clear TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls74	Dual D-Flip-Flop, Preset + Clear TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls75	Quad Bistable Latch TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls76	Dual J-K Flip-Flop, Preset + Clear TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls77	4 Bit Bistable Latch TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls78	Dual J-K Flip-Flop, Common Clear/Clock TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls83	4 Bit Binary Full Adder, Fast Carry TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls85	4 Bit Magnitude Comparator TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls86	Quad 2 Input Exclusive OR Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls90	Decade Counter TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls91	8 Bit Shift Register TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls92	Divide by 12 Counter TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls93	4 Bit Binary Counter TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls95	4 Bit Shift Register PISO TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls96	5 Bit Shift Register TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls107	Dual J-K Flip-Flop, Clear TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls109	Dual J-K Flip-Flop, Preset + Clear TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls112	Dual J-K Flip-Flop, Preset + Clear TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls113	Dual J-K Flip-Flop, Preset TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls114	Dual J-K Flip-Flop, Preset + Clear TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls122	Monostable Multivibrator, Retriggerable TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls123	Dual Monostable Multivibrator, Retrigg. TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls125	Quad Bus Buffer Gate TTL Output: Tri-State	default so14, dil14	-	pin		09/05/2006
74ls126	Quad Bus Buffer Gate TTL Output: Tri-State	default so14, dil14	-	pin		09/05/2006
74ls132	Quad 2 Input Schmitt Trigger TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls133	13 Input Positive NAND Gate TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls136	Quad 2 Input Exclusive OR Gate TTL Output: Open Collector	default so14, dil14	-	pin		09/05/2006
74ls137	3 of 8 Decoder, Address Registers TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls138	3 of 8 Decoder TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls139	Dual 2 of 4 Decoder TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls145	BCD to Decimal Decoder/Driver TTL Output: Open Collector	default so16, dil16	-	pin		09/05/2006
74ls147	10-Decimal to 4-BCD Priority Encoder TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls148	8 to 3 Octal Priority Encoder TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls151	8 to 1 Data Selector/Multiplexer TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls152	8 to 1 Data Selector/Multiplexer	default so14, dil14	-	pin		09/05/2006
74ls153	Dual 4 to 1 Data Selector/Multiplexer TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls155	Dual 1 of 4 Decoder/Demultiplexer TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls156	Dual 1 of 4 Decoder/Demultiplexer TTL Output: Open Collector	default so16, dil16	-	pin		09/05/2006
74ls157	Quad 2 to 1 Multiplexer noninverting TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls158	Quad 2 to 1 Multiplexer inverting TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls160	BCD Decade Counter, Direct Clear TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls161	4 Bit Binary Counter, Direct Clear TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls162	BCD Decade Counter, Sync. Clear TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls163	4 Bit Binary Counter, Sync. Clear TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls164	8 Bit Shift Register SIPO TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls165	8 Bit PISO Shift Register TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls166	8 Bit PISO Shift Register TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls168	4 Bit Decade Up/Down Counter TTL Output: Totem Pole	default dil16	-	pin		09/05/2006
74ls169	4 Bit Binary Up/Down Counter TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls170	4 by 4 Register File TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls171	Quad D-Flip-Flop, Clear TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls173	Quad D Register TTL Output: Tri-State	default so16, dil16	-	pin		09/05/2006
74ls174	Hex D-Flip-Flop TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls175	Quad D-Flip-Flop TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls181	4 Bit ALU/Function Generator TTL Output: Totem Pole	default so24, dil24, dil24b	-	pin		09/05/2006
74ls183	Dual Carry Save Full Adder TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls190	Synchronous Up/Down BCD Counter TTL Output: Open Collector	default so16, dil16	-	pin		09/05/2006
74ls191	Synchronous Up/Down Binary Counter TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls192	Sync. Up/Down Dual Clock BCD Counter TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls193	Sync. Up/Down Dual Clock Binary Counter TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls194	4 Bit Universal Shift Register PIPO TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls195	4 Bit Shift Register PIPO TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls196	Presetable Decade (Bi-Quinary) Counter TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls197	Presetable 4 Bit Binary Counter TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls221	Dual Monostable Multivibr., Schm.Trigger TTL Output: Tri-State	default so16, dil16	-	pin		09/05/2006
74ls222	Asynchronous FIFO Memory 16x4 Bit TTL Output: Tri-State	default dil20	-	pin		09/05/2006
74ls224	Asynchronous FIFO Memory 16x4 Bit TTL Output: Tri-State	default so16, dil16	-	pin		09/05/2006
74ls227	Asynchronous FIFO Memory 16x4 Bit TTL Output: Open Collector	default so20, dil20	-	pin		09/05/2006
74ls228	Asynchronous FIFO Memory 16x4 Bit TTL Output: Open Collector	default so16	-	pin		09/05/2006
74ls240	Octal Buffer/Line Driver inverting TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls241	Octal Buffer/Line Driver noninverting TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls242	Quad Bus Transceiver inverting TTL Output: Tri-State	default so14, dil14	-	pin		09/05/2006
74ls243	Quad Bus Transceiver noninverting TTL Output: Tri-State	default so14, dil14	-	pin		09/05/2006
74ls244	Octal Driver noninverting TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls245	Octal Bus Transceiver noninverting TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls246	BCD to 7 Segment Decoder/Driver TTL Output: Open Collector	default so16, dil16	-	pin		09/05/2006
74ls247	BCD to 7 Segment Decoder/Driver TTL Output: Open Collector	default so16, dil16	-	pin		09/05/2006
74ls248	BCD to 7 Segment Decoder/Driver TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls249	BCD to 7 Segment Decoder/Driver TTL Output: Open Collector	default so16, dil16	-	pin		09/05/2006
74ls251	8 to 1 Data Selector/Multiplexer TTL Output: Tri-State	default so16, dil16	-	pin		09/05/2006
74ls253	Dual 4 to 1 Multiplexer TTL Output: Tri-State	default so16, dil16	-	pin		09/05/2006
74ls257	Quad 2 to 1 Multiplexer noninverting TTL Output: Tri-State	default so16, dil16	-	pin		09/05/2006
74ls258	Quad 2 to 1 Multiplexer inverting TTL Output: Tri-State	default so16, dil16	-	pin		09/05/2006
74ls259	8 Bit Addressable Set-Reset Latch TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls261	4 by 2 Bit Parallel Binary Multiplier TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls266	Quad 2 Input Exclusive NOR Gate TTL Output: Open Collector	default so14, dil14	-	pin		09/05/2006
74ls273	Octal D-Flip-Flop TTL Output: Totem Pole	default so20, dil20	-	pin		09/05/2006
74ls279	Quad Set-Reset Latches TTL Output: Totem Pole	dil16	-	pin		09/05/2006
74ls280	9 Bit Odd/Even Parity Generator/Checker TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls283	4 Bit Full Adder, Fast Carry TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls290	Decade Counter TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls292	30 Bit Programmable Frequency Divider TTL Output: Totem Pole	default dil16	-	pin		09/05/2006
74ls293	4 Bit Binary Counter TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls294	4 Bit Binary Counter Frequency Divider TTL Output: Totem Pole	default dil16	-	pin		09/05/2006
74ls295	4 Bit Shift Register TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls297	Digital Phase Locked Loop TTL Output: Totem Pole	default dil16	-	pin		09/05/2006
74ls298	Quad 2 to 1 Multiplexer, Storage TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls299	8 Bit Universal PIPO Shift Register TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls320	Crystal Controlled Oscillator TTL Output: Totem Pole	default dil16	-	pin		09/05/2006
74ls321	Crystal Controlled Oscillator TTL Output: Totem Pole	default dil16	-	pin		09/05/2006
74ls322	8 Bit Shift Register, Sign Extend TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls323	8 Bit Shift/Storage Register TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls347	LS47 with 7 Volt Output	default so16, dil16	-	pin		09/05/2006
74ls348	8 to 3 Line Priority Encoder TTL Output: Tri-State	default so16, dil16	-	pin		09/05/2006
74ls352	Dual 4 to 1 Data Selector/MUX TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls353	Dual 4 to 1 Data Selector/MUX TTL Output: Tri-State	default so16, dil16	-	pin		09/05/2006
74ls354	8 to 1 Data Selector/Multiplexer TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls355	8 to 1 Data Selector/Multiplexer TTL Output: Open Collector	default so20, dil20	-	pin		09/05/2006
74ls356	8 to 1 Data Selector/Multiplexer TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls357	8 to 1 Data Selector/Multiplexer TTL Output: Open Collector	default so20, dil20	-	pin		09/05/2006
74ls373	Octal D-Type Transparent Latch and FF TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls374	Octal D-Type Transparent Latch and FF TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls375	Quad Bistable Latch TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls377	Octal D-Flip-Flop with Data Enable TTL Output: Totem Pole	default so20, dil20	-	pin		09/05/2006
74ls378	Hex D-Flip-Flop TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls379	Quad D-Flip-Flop TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls381	ALU/Function Generator TTL Output: Totem Pole	default so20, dil20	-	pin		09/05/2006
74ls382	4 Bit Arithemetic Function Generator TTL Output: Totem Pole	default so20, dil20	-	pin		09/05/2006
74ls386	Quad 2 Input Exclusive OR Gate TTL Output: Totem Pole	default so14, dil14	-	pin		09/05/2006
74ls595	8 Bit Shift Register, Output Register TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls638	Octal Bus Transceiver inverting TTL Output: Tri-State / Open Collector	default so20, dil20	-	pin		09/05/2006
74ls639	Octal Bus Transceiver noninverting TTL Output: Tri-State / Open Collector	default so20, dil20	-	pin		09/05/2006
74ls640	Octal Bus Transceiver inverting TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls641	Octal Bus Transceiver noninverting TTL Output: Open Collector	default so20, dil20	-	pin		09/05/2006
74ls642	Octal Bus Transceiver TTL Output: Open Collector	default so20, dil20	-	pin		09/05/2006
74ls643	Octal Bus Transceiver true inverting TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls644	Octal Bus Transceiver TTL Output: Open Collector	default so20, dil20	-	pin		09/05/2006
74ls645	Octal Bus Transceiver noninverting TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls646	Octal Bus Transceiver/Register TTL Output: Tri-State	default so24, dil24, dil24b	-	pin		09/05/2006
74ls647	Octal Bus Transceiver/Register inverting TTL Output: Open Collector	default so24, dil24, dil24b	-	pin		09/05/2006
74ls648	Octal Bus Transceiver/Register inverting TTL Output: Tri-State	default so24, dil24, dil24b	-	pin		09/05/2006
74ls649	Octal Bus Transceiver/Register inverting TTL Output: Open Collector	default so24, dil24, dil24b	-	pin		09/05/2006
74ls651	Octal Bus Transceiver/Register inverting TTL Output: Tri-State	default so24, dil24, dil24b	-	pin		09/05/2006
74ls652	Octal Bus Transceiver/Register TTL Output: Tri-State	default so24, dil24, dil24b	-	pin		09/05/2006
74ls653	Octal Bus Transceiver/Register inverting TTL Output: Tri-State / Open Collector	default so24, dil24, dil24b	-	pin		09/05/2006
74ls654	Octal Bus Transceiver/Register inverting TTL Output: Tri-State / Open Collector	default so24, dil24, dil24b	-	pin		09/05/2006
74ls668	Synchronous 4 Bit Up/Down Counter TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls669	Synchronous 4 Bit Up/Down Counter TTL Output: Totem Pole	default so16, dil16	-	pin		09/05/2006
74ls670	4 by 4 Register File TTL Output: Tri-State	default so16, dil16	-	pin		09/05/2006
74ls671	4 Bit Univ. Shift Register/Latch TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls672	4 Bit Univ. Shift Register/Latch TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls681	4 Bit Parallel Binary Accumulator TTL Output: Totem Pole	default so20, dil20	-	pin		09/05/2006
74ls682	8 Bit Magnitude Comparator, 20k PullUp TTL Output: Totem Pole	default so20, dil20	-	pin		09/05/2006
74ls683	8 Bit Magnitude Comparator, 20k PullUp TTL Output: Open Collector	default so20, dil20	-	pin		09/05/2006
74ls684	8 Bit Magnitude Comparator TTL Output: Tri-State	default so20, dil20	-	pin		09/05/2006
74ls685	8 Bit Magnitude Comparator TTL Output: Open Collector	default so20, dil20	-	pin		09/05/2006
74ls686	8 Bit Magnitude Comparator, Out Enable TTL Output: Totem Pole	default so24, dil24, dil24b	-	pin		09/05/2006
74ls687	8 Bit Magnitude Comparator, Out Enable TTL Output: Open Collector	default so24, dil24, dil24b	-	pin		09/05/2006
74ls688	8 Bit Identity Comparator, Output Enable TTL Output: Totem Pole	default so20, dil20	-	pin		09/05/2006
74ls689	8 Bit Identity Comparator, Output Enable TTL Output: Open Collector	default so20, dil20	-	pin		09/05/2006

Library 74LS - SCM Markers
Marker	Last Change
pin	06/09/1995

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