| 制造商 | 部件名 | 数据表 | 功能描述 |
 NXP Semiconductors |
HEF40193B
|
120Kb / 9P |
4-bit up/down binary counter
January 1995 |
 Texas Instruments |
CY74FCT191T
|
61Kb / 6P |
4-Bit Up/Down Binary Counter
|
|
SN74F169
|
126Kb / 9P |
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER
|
 System Logic Semiconduc... |
SL74HC193
|
68Kb / 7P |
Presettable 4-Bit Binary UP/DOWN Counter
|
 Fairchild Semiconductor |
DM74AS169A
|
61Kb / 6P |
Synchronous 4-Bit Binary Up/Down Counter
|
|
DM74LS169A
|
72Kb / 8P |
Synchronous 4-Bit Up/Down Binary Counter
|
|
MM74C192
|
62Kb / 6P |
Synchronous 4-Bit Up/Down Decade Counter . Synchronous 4-Bit Up/Down Binary Counter
|
 Texas Instruments |
74ACT11191
|
135Kb / 9P |
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER
|
|
CY74FCT191T
|
326Kb / 14P |
4-BIT UP/DOWN BINARY COUNTER
|
|
SN54HC191-DIE
|
132Kb / 6P |
4-Bit Synchronous Up/Down Binary Counter
|