| 制造商 | 部件名 | 数据表 | 功能描述 |
 STMicroelectronics |
M54HC190
|
299Kb / 14P |
4 BIT SYNCHRONOUS UP/DOWN COUNTERS
Oct-1992 |
 Texas Instruments |
SN54ALS193A
|
130Kb / 8P |
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS WITH DUAL CLOCK AND CLEAR
|
|
SN54HC193
|
483Kb / 17P |
4-BIT SYNCHRONOUS UP/DOWN COUNTERS DUAL CLOCK WITH CLEAR
|
|
SN54LS668
|
481Kb / 12P |
SYNCHRONOUS 4-BIT UP/DOWN COUNTERS
|
 Hitachi Semiconductor |
HD74LS193
|
104Kb / 7P |
Synchronous Up/Down 4-bit Binary Counters(dual clock lines)
|
 STMicroelectronics |
M74HC190
|
555Kb / 14P |
4 BIT SYNCHRONOUS UP/DOWN COUNTERS
Aug-2001 |
 Texas Instruments |
SN74HC193-Q1
|
233Kb / 13P |
4-BIT SYNCHRONOUS UP/DOWN COUNTER (DUAL CLOCK WITH CLEAR)
|
 Aeroflex Circuit Techno... |
UT54ACS193
|
260Kb / 10P |
Synchronous 4-Bit Up-Down Dual Clock Counters
|
 Texas Instruments |
SN54HC193
|
1Mb / 21P |
4-BIT SYNCHRONOUS UP/DOWN COUNTERS DUAL CLOCK WITH CLEAR
|
|
SN54192
|
1Mb / 27P |
SYNCHRONOUS 4-BIT UP/DOWN COUNTERS
|