SN74LS193DR

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

计数器 IC 二进制计数器 1 个元件 4 钻头 正边沿 16-SOIC

得捷:
IC SYNC 4-BIT UP/DN CNTR 16-SOIC

立创商城:
SN74LS193DR

德州仪器TI:
Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear

艾睿:
Counter Single 4-Bit Binary UP/Down 16-Pin SOIC T/R

安富利:
Counter Single 4-Bit Binary UP/Down 16-Pin SOIC T/R

Chip1Stop:
Counter Single 4-Bit Binary UP/Down 16-Pin SOIC T/R