| 制造商 | 部件名 | 数据表 | 功能描述 |
 Motorola, Inc |
MC14024B
|
210Kb / 7P |
7-Stage Ripple Counter
|
|
SN54LS90
|
109Kb / 6P |
DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER
|
 ON Semiconductor |
MC14024B
|
183Kb / 8P |
7-Stage Ripple Counter
March, 2000 ??Rev. 3 |
|
SN54-74LS90
|
80Kb / 6P |
DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER
|
 NXP Semiconductors |
HEF4022B
|
91Kb / 8P |
4-stage divide-by-8 Johnson counter
January 1995 |
 List of Unclassifed Man... |
7490
|
410Kb / 1P |
Package Contains a Divide-by-Two and a Divide-by-Five Counter
|
|
7490
|
410Kb / 1P |
Package Contains a Divide-by-Two and a Divide-by-Five Counter
|
 Texas Instruments |
74LS92
|
278Kb / 3P |
DIVIDE-BY-TWELVE COUNTER
|
 ON Semiconductor |
MC14024B
|
104Kb / 7P |
7-Stage Ripple Counter
August, 2014 ??Rev. 10 |
 National Semiconductor ... |
7492A
|
256Kb / 3P |
DIVIDE-BY-TWELVE COUNTER
|