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| # | Part: | Description: | Manuf. | Package | Pins | T°min | T°max | PDF size |
| 1. |  74HCT190 | Presettable synchronous BCD decade up/down counter | NXP Semiconductors | PHILIPS | - | - | - | 108 Kb |
| 2. | CD54HCT190 | HIGH SPEED CMOS LOGIC | Texas Instruments | TI | - | - | - | 302 Kb |
| 3. | CD74HCT190 | HIGH SPEED CMOS LOGIC | Texas Instruments | TI | - | - | - | 302 Kb |
| 4. | MM74HCT190 | Level changes on Enable or Down/Up can be made regardless of the level of the clock | National Semiconductor | NSC | - | - | - | 178 Kb |
| 5. | MM54HCT190 | Level changes on Enable or Down/Up can be made regardless of the level of the clock | National Semiconductor | NSC | - | - | - | 178 Kb |
| 6. | 74HCT190D | Presettable synchronous BCD decade up/down counter | NXP Semiconductors | PHILIPS | - | - | - | 108 Kb |
| 7. | 74HCT190DB | Presettable synchronous BCD decade up/down counter | NXP Semiconductors | PHILIPS | - | - | - | 108 Kb |
| 8. | 74HCT190N | Presettable synchronous BCD decade up/down counter | NXP Semiconductors | PHILIPS | - | - | - | 108 Kb |
| 9. | 74HCT190PW | Presettable synchronous BCD decade up/down counter | NXP Semiconductors | PHILIPS | - | - | - | 108 Kb |
| 10. | 74HCT191 | Presettable synchronous 4-bit binary up/down counter | NXP Semiconductors | PHILIPS | - | - | - | 122 Kb |
| 11. | CD54HCT191 | HIGH SPEED CMOS LOGIC | Texas Instruments | TI | - | - | - | 302 Kb |
| 12. | CD74HCT191 | HIGH SPEED CMOS LOGIC | Texas Instruments | TI | - | - | - | 302 Kb |
| 13. | CD74HCT191 | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | Texas Instruments | TI | - | - | - | 635 Kb |
| 14. | MM54HCT191 | Level changes on Enable or Down/Up can be made regardless of the level of the clock | National Semiconductor | NSC | - | - | - | 178 Kb |
| 15. | MM74HCT191 | Level changes on Enable or Down/Up can be made regardless of the level of the clock | National Semiconductor | NSC | - | - | - | 178 Kb |
| 16. | 74HCT191D | Presettable synchronous 4-bit binary up/down counter | NXP Semiconductors | PHILIPS | - | - | - | 122 Kb |
| 17. | 74HCT191DB | Presettable synchronous 4-bit binary up/down counter | NXP Semiconductors | PHILIPS | - | - | - | 122 Kb |
| 18. | CD74HCT191E | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | Texas Instruments | TI | - | - | - | 635 Kb |
| 19. | CD74HCT191EE4 | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | Texas Instruments | TI | - | - | - | 635 Kb |
| 20. | CD54HCT191F3A | SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL | Texas Instruments | TI | - | - | - | 635 Kb |
