| 1454521 | SN74LS190D | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | Texas Instruments |
| 1454522 | SN74LS190N | PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS | Motorola |
| 1454523 | SN74LS190N | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | Texas Instruments |
| 1454524 | SN74LS191 | Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control | Texas Instruments |
| 1454525 | SN74LS191D | PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS | Motorola |
| 1454526 | SN74LS191D | Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control | Texas Instruments |
| 1454527 | SN74LS191DE4 | Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control 16-SOIC 0 to 70 | Texas Instruments |
| 1454528 | SN74LS191DR | Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control | Texas Instruments |
| 1454529 | SN74LS191N | PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS | Motorola |
| 1454530 | SN74LS191N | Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control | Texas Instruments |
| 1454531 | SN74LS191NSR | Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control | Texas Instruments |
| 1454532 | SN74LS192 | SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR) | Texas Instruments |
| 1454533 | SN74LS192-D | PRESETTABLE BCD/DECADE UP/DOWN COUNTER | ON Semiconductor |
| 1454534 | SN74LS192D | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | Motorola |
| 1454535 | SN74LS192D | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON Semiconductor |
| 1454536 | SN74LS192D | Synchronous up/down decade counters with dual clock 16-SOIC 0 to 70 | Texas Instruments |
| 1454537 | SN74LS192N | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | Motorola |
| 1454538 | SN74LS192N | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON Semiconductor |
| 1454539 | SN74LS192N | Synchronous up/down decade counters with dual clock 16-PDIP 0 to 70 | Texas Instruments |
|
| 1454540 | SN74LS193 | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | Motorola |
| 1454541 | SN74LS193 | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON Semiconductor |
| 1454542 | SN74LS193 | Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear | Texas Instruments |
| 1454543 | SN74LS193D | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | Motorola |
| 1454544 | SN74LS193D | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON Semiconductor |
| 1454545 | SN74LS193D | Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear | Texas Instruments |
| 1454546 | SN74LS193DR | Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear | Texas Instruments |
| 1454547 | SN74LS193DR2 | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON Semiconductor |
| 1454548 | SN74LS193J | Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear | Texas Instruments |
| 1454549 | SN74LS193M | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON Semiconductor |
| 1454550 | SN74LS193MEL | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON Semiconductor |
| 1454551 | SN74LS193ML1 | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON Semiconductor |
| 1454552 | SN74LS193ML2 | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON Semiconductor |
| 1454553 | SN74LS193MR1 | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON Semiconductor |
| 1454554 | SN74LS193N | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | Motorola |
| 1454555 | SN74LS193N | PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER | ON Semiconductor |
| 1454556 | SN74LS193N | Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear | Texas Instruments |
| 1454557 | SN74LS193N3 | Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear | Texas Instruments |
| 1454558 | SN74LS193NE4 | Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear 16-PDIP 0 to 70 | Texas Instruments |
| 1454559 | SN74LS193NSR | Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear | Texas Instruments |
| 1454560 | SN74LS194 | LOW POWER SCHOTTKY | ON Semiconductor |
