| 制造商 | 部件名 | 数据表 | 功能描述 |
 Fairchild Semiconductor |
74LS390
|
58Kb/6P |
Dual 4-Bit Decade Counter
|
 Texas Instruments |
74LS393
|
893Kb/21P |
DUAL 4-BIT DECADE AND BINARY COUNTERS
|
 Hitachi Semiconductor |
74LS393
|
60Kb/6P |
DUAL 4-BIT BINARY COUNTERS
|
 Motorola, Inc |
74LS393
|
193Kb/7P |
DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER
|
 Fairchild Semiconductor |
74LS393
|
56Kb/6P |
Dual 4-Bit Binary Counter
|
 SYC Electronica |
74LS393
|
114Kb/6P |
Dual 4-Bit Binary Counter
|
 Texas Instruments |
74LS395
|
234Kb/7P |
4-BIT CASCADABLE SHIFT REFISTERS WITH 3-STATE OUTPUTS
|
 Motorola, Inc |
74LS395
|
196Kb/6P |
4-BIT SHIFT REGISTER WITH 3-STATE OUTPUTS
|
 SYC Electronica |
74LS399
|
154Kb/5P |
QUAD 2-PORT REGISTER
|