| 制造商 | 部件名 | 数据表 | 功能描述 |
 ON Semiconductor |
SN74LS390D
|
71Kb/5P
|
DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER
|
 Texas Instruments |
SN74LS390D
|
893Kb/21P
|
DUAL 4-BIT DECADE AND BINARY COUNTERS
|
|
SN74LS390D
|
1Mb/31P
|
DUAL 4-BIT DECADE AND BINARY COUNTERS
|
|
SN74LS390D
|
1Mb/28P
|
DUAL 4-BIT DECADE AND BINARY COUNTERS
|
 Motorola, Inc |
SN74LS390D
|
193Kb/7P
|
DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER
|
 Texas Instruments |
SN74LS390DE4
|
893Kb/21P
|
DUAL 4-BIT DECADE AND BINARY COUNTERS
|
|
SN74LS390DE4
|
1Mb/31P
|
DUAL 4-BIT DECADE AND BINARY COUNTERS
|
|
SN74LS390DG4
|
1Mb/31P
|
DUAL 4-BIT DECADE AND BINARY COUNTERS
|
|
SN74LS390DG4
|
1Mb/28P
|
DUAL 4-BIT DECADE AND BINARY COUNTERS
|
|
SN74LS390DR
|
893Kb/21P
|
DUAL 4-BIT DECADE AND BINARY COUNTERS
|
|
SN74LS390DR
|
1Mb/31P
|
DUAL 4-BIT DECADE AND BINARY COUNTERS
|
|
SN74LS390DRE4
|
893Kb/21P
|
DUAL 4-BIT DECADE AND BINARY COUNTERS
|
|
SN74LS390DRE4
|
1Mb/31P
|
DUAL 4-BIT DECADE AND BINARY COUNTERS
|
|
SN74LS390DRG4
|
1Mb/31P
|
DUAL 4-BIT DECADE AND BINARY COUNTERS
|