Motorola(摩托罗拉)
7 页 / 0.1 MByte
TI(德州仪器)
同步4位加/减计数器(双时钟有明确的) SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR)
TI(德州仪器)
TEXAS INSTRUMENTS SN74LS193N 逻辑芯片, 4位上下计数器, 16DIP
TI(德州仪器)
同步4位加/减计数器(双时钟有明确的) SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR)
TI(德州仪器)
同步4位加/减计数器(双时钟有明确的) SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR)
TI(德州仪器)
TEXAS INSTRUMENTS SN74LS193D 逻辑芯片, 同步向上/向下二进制计数器, 16SOIC
TI(德州仪器)
同步4位加/减计数器(双时钟有明确的) SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR)
TI(德州仪器)
同步4位加/减计数器(双时钟有明确的) SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR)
ON Semiconductor(安森美)
可预置BCD / DECADE UP / DOWN COUNTER可预置4位二进制加/减计数器 PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
TI(德州仪器)
计数器/分频器 SN74LS193NS SOIC-16
TI(德州仪器)
同步4位加/减计数器(双时钟有明确的) SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR)
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