Fairchild (now onsemi)
| 74LS191 |
Synchronous 4-Bit Up/Down Counter |
Motorola Semiconductor (now NXP Semiconductors)
| 74LS191 |
PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS |
STMicroelectronics
| T74LS191 |
(T74LS190 / T74LS191) Presettable Up/Down Counters |
National Semiconductor (now Texas Instruments)
| DM74LS191 |
Synchronous 4-Bit Up/Down Counters |
Texas Instruments
| SN74LS191 |
SYNCHRONOUS UP/DOWN COUNTERS |
Motorola Semiconductor (now NXP Semiconductors)
| SN74LS191 |
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS |
Hitachi Semiconductor (now Renesas)
| 74LS191 |
Synchronous Up/Down 4-bit Binary Counters |
|
SGS-Ates Componenti Electronici
| T74LS190 |
(T74LS190 / T74LS191) Presettable Up/Down Counters |
STMicroelectronics
| T74LS190 |
(T74LS190 / T74LS191) Presettable Up/Down Counters |
Renesas
| HD74LS191P |
Synchronous Up / Down 4-bit Binary Counter |
Renesas
| HD74LS191 |
Synchronous Up / Down 4-bit Binary Counter |
Fairchild (now onsemi)
| DM74LS191 |
Synchronous 4-Bit Up/Down Counter |
|
SGS-Ates Componenti Electronici
| T74LS191 |
(T74LS190 / T74LS191) Presettable Up/Down Counters |
Hitachi Semiconductor (now Renesas)
| HD74LS191 |
Synchronous Up/Down 4-bit Binary Counters |
Texas Instruments
| 74LS191 |
Synchronous Up/Down Counters |