SN74LS193N 数据手册 - ON Semiconductor（安森美）

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)

TEXAS INSTRUMENTS  SN74LS193N  逻辑芯片, 4位上下计数器, 16DIP

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)

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)

TEXAS INSTRUMENTS  SN74LS193D  逻辑芯片, 同步向上/向下二进制计数器, 16SOIC

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)

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)

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

计数器/分频器 SN74LS193NS SOIC-16