| 制造商 | 部件名 | 数据表 | 功能描述 |
 Hitachi Semiconductor |
74LS193
|
104Kb/7P
|
Synchronous Up/Down 4-bit Binary Counters(dual clock lines)
|
 Motorola, Inc |
74LS193
|
276Kb/9P
|
PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
|
 Fairchild Semiconductor |
74LS193
|
74Kb/7P
|
Synchronous 4-Bit Binary Counter with Dual Clock
|
 SYC Electronica |
74LS193
|
142Kb/7P
|
Synchronous 4-Bit Binary Counter with Dual Clock
|
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 Motorola, Inc |
74LS190
|
310Kb/10P |
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
|
 Texas Instruments |
74LS190
|
512Kb/14P |
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
|
 Hitachi Semiconductor |
74LS190
|
104Kb/7P |
Synchronous Up/Down Decade Counters(single clock line)
|
 Texas Instruments |
74LS190
|
1Mb/16P |
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
|
 Motorola, Inc |
74LS190N
|
310Kb/10P |
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
|
 Fairchild Semiconductor |
74LS191
|
72Kb/6P |
Synchronous 4-Bit Up/Down Counter with Mode Control
|
 Hitachi Semiconductor |
74LS191
|
98Kb/7P |
Synchronous Up/Down 4-bit Binary Counters(single clock line)
|
 Motorola, Inc |
74LS191N
|
310Kb/10P |
PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
|
|
74LS192
|
276Kb/9P |
PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
|
 ON Semiconductor |
74LS192
|
110Kb/7P |
PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
|
 Hitachi Semiconductor |
74LS192
|
104Kb/7P |
Synchronous Up/Down Decade Counters(dual clock lines)
|
 Motorola, Inc |
74LS192D
|
276Kb/9P |
PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
|
 ON Semiconductor |
74LS192N
|
110Kb/7P |
PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
|
|
74LS194
|
135Kb/8P |
LOW POWER SCHOTTKY
December, 1999 ??Rev. 6 |
 Fairchild Semiconductor |
74LS194
|
68Kb/6P |
4-Bit Bidirectional Universal Shift Register
|
 SYC Electronica |
74LS194
|
129Kb/6P |
4-Bit Bidirectional Universal Shift Register
|