1 |
54LS190 |
SYNCHRONOUS UP/DOWN COUNTERS |
 etcTI |
 |
2 |
54LS190 |
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS |
 Motorola |
 |
3 |
54LS190 |
Synchronous 4-Bit Up/Down Counters |
 National Semiconductor |
 |
4 |
54LS191 |
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS |
 Motorola |
 |
5 |
54LS191 |
SYNCHRONOUS UP/DOWN COUNTERS |
 etcTI |
 |
6 |
54LS192 |
PRESETTABLE BCD/DECADE UP/DOWN COUNTER |
 Motorola |
 |
7 |
54LS193 |
PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER |
 Motorola |
 |