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1 SN74LS19 4-bit Parallel-Access Shift Registers 100K HITACHI 2451394
2 SN74LS19 4-BIT PARALLEL-ACCESS SHIFT REGISTERS 442K TI 1309675
3 SN74LS19 4-bit Parallel-Access Shift Registers 100K HITACHI 268662
4 SN74LS190 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 524K TI 4145569
5 SN74LS190D SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 524K TI 4145568
6 SN74LS190D PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS 317K MOTOROLA 4145567
7 SN74LS190N SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 524K TI 4145566
8 SN74LS190N PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS 317K MOTOROLA 4145565
9 SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 524K TI 4145564
10 SN74LS191D SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 524K TI 4145563
11 SN74LS191D PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS 317K MOTOROLA 4145562
12 SN74LS191JD Synchronous Up/Down Counter 197K 暂无图片 3756739
13 SN74LS191N SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 524K TI 4145561
14 SN74LS191N PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS 317K MOTOROLA 4145560
15 SN74LS191NDS Synchronous Up/Down Counter 197K 暂无图片 3756737
16 SN74LS192 SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR) 866K TI 5084599
17 SN74LS192 SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR) 866K TI 4145559
18 SN74LS192D PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER 282K MOTOROLA 4145558
19 SN74LS192D PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER 113K ON 4145557
20 SN74LS192D SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR) 866K TI 4145556
21 SN74LS192N PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER 282K MOTOROLA 4145555
22 SN74LS192N PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER 113K ON 4145554
23 SN74LS192N SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR) 866K TI 4145553
24 SN74LS193 SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR) 866K TI 5084598
25 SN74LS193 PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER 282K MOTOROLA 4145552
26 SN74LS193 PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER 113K ON 4145551
27 SN74LS193 SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR) 866K TI 4145550
28 SN74LS193D PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER 282K MOTOROLA 4145549
29 SN74LS193D PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER 113K ON 4145548
30 SN74LS193D SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR) 866K TI 4145547