| 制造商 | 部件名 | 数据表 | 功能描述 |
 Motorola, Inc |
SN54LS90
|
109Kb / 6P |
DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER
|
 ON Semiconductor |
SN54-74LS90
|
80Kb / 6P |
DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER
|
 STMicroelectronics |
HCC4018B
|
273Kb / 12P |
PRESETTABLE DIVIDE-BY-N COUNTER
Jun-1989 |
 Texas Instruments |
SN5490A
|
414Kb / 14P |
DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS
|
 Hitachi Semiconductor |
HD74LS92
|
85Kb / 7P |
Divide-by-Twelve Counters
|
 Texas Instruments |
SN5490A
|
944Kb / 23P |
DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS
|
|
SN5490A
|
973Kb / 23P |
DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS
|
|
SN5490A
|
1Mb / 24P |
DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS
|
|
SN5490A
|
1Mb / 25P |
DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS
|
 National Semiconductor ... |
7492A
|
256Kb / 3P |
DIVIDE-BY-TWELVE COUNTER
|