| 制造商 | 部件名 | 数据表 | 功能描述 |
 Motorola, Inc |
SN54LS669
|
213Kb / 6P |
SYNCHRONOUS 4-BIT UP/DOWN COUNTER
|
 National Semiconductor ... |
DM54193
|
121Kb / 5P |
Synchronous Up/Down 4-Bit Binary Counter with Dual Clock
|
 ON Semiconductor |
SN54-74LS669
|
74Kb / 4P |
SYNCHRONOUS 4-BIT UP/DOWN COUNTER
|
 Fairchild Semiconductor |
CD40192BC
|
74Kb / 7P |
Synchronous 4-Bit Up/Down Decade Counter . Synchronous 4-Bit Up/Down Binary Counter
|
|
MM74C192
|
62Kb / 6P |
Synchronous 4-Bit Up/Down Decade Counter . Synchronous 4-Bit Up/Down Binary Counter
|
 Hitachi Semiconductor |
HD74HC192
|
74Kb / 13P |
Synchronous Up/Down Decade,4-bit Binary Counter(Dual Clock Line)
|
 ON Semiconductor |
SN74LS669
|
132Kb / 4P |
SYNCHRONOUS 4-BIT UP/DOWN COUNTER
July, 2006 ??Rev. 6 |
 Texas Instruments |
SN74F193A
|
275Kb / 10P |
SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTER WITH DUAL CLOCK AND CLEAR
|
 Renesas Technology Corp |
HD74HC668
|
222Kb / 11P |
Synchronous UP/Down Decade Counter, Synchronous Up/Down 4-bit binary Counter
|
 Texas Instruments |
SN74HC193-Q1
|
233Kb / 13P |
4-BIT SYNCHRONOUS UP/DOWN COUNTER (DUAL CLOCK WITH CLEAR)
|