| 制造商 | 部件名 | 数据表 | 功能描述 |
 Motorola, Inc |
SN54LS290
|
205Kb / 7P |
DECADE COUNTER; 4-BIT BINARY COUNTER
|
|
SN54LS90
|
109Kb / 6P |
DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER
|
 ON Semiconductor |
SN54-74LS290
|
74Kb / 5P |
DECADE COUNTER; 4-BIT BINARY COUNTER
|
|
SN54-74LS90
|
80Kb / 6P |
DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER
|
 NXP Semiconductors |
74F161A
|
111Kb / 14P |
4-bit binary counter
1996 Jan 29 |
 List of Unclassifed Man... |
SN74LS491A
|
242Kb / 4P |
10-Bit Counter SN54/74LS491A
|
|
SN74LS461A
|
213Kb / 4P |
8-Bit Counter
|
 Fairchild Semiconductor |
F10016
|
264Kb / 6P |
BCD DECADE COUNTER/4-BIT BINARY COUNTER
|
 ON Semiconductor |
SN74LS90
|
172Kb / 7P |
4-BIT BINARY COUNTER
July, 2006 ??Rev. 6 |
 Fairchild Semiconductor |
MM74C90
|
67Kb / 7P |
4-Bit Decade Counter ??4-Bit Binary Counter
|