| 制造商 | 部件名 | 数据表 | 功能描述 |
 Texas Instruments |
SN54ALS169B
|
148Kb / 9P |
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS
|
|
SN54ALS191A
|
133Kb / 8P |
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS
|
|
SN54LS668
|
481Kb / 12P |
SYNCHRONOUS 4-BIT UP/DOWN COUNTERS
|
|
SN54ALS169B
|
686Kb / 19P |
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS
|
|
SN54LS169B
|
421Kb / 12P |
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS
|
 STMicroelectronics |
M74HC190
|
555Kb / 14P |
4 BIT SYNCHRONOUS UP/DOWN COUNTERS
Aug-2001 |
|
M74HC191
|
566Kb / 14P |
4 BIT SYNCHRONOUS UP/DOWN COUNTERS
Aug-2001 |
 Aeroflex Circuit Techno... |
UT54ACS191
|
258Kb / 10P |
Synchronous 4-Bit Up-Down Binary Counters
|
 Texas Instruments |
SN54ALS191A
|
625Kb / 18P |
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS
|
|
SN54192
|
1Mb / 27P |
SYNCHRONOUS 4-BIT UP/DOWN COUNTERS
|