【NXP Semiconductors】74HC191D-T,计数器 IC SYNC BIN U/D COUNTER
74HC191N,
【NXP Semiconductors】74HC191N,652,IC COUNTER UP/DOWN SYNC 16DIP
74HC191N652,
【NXP Semiconductors】74HC191PW,计数器 IC SYNC BIN U/D COUNTER
【NXP Semiconductors】74HC191PW,112,IC 4BIT BINARY UP/DN CNT 16TSSOP
【NXP Semiconductors】74HC191PW,118,IC 4BIT BINARY UP/DN CNT 16TSSOP
【NXP Semiconductors】74HC191PW-T,计数器 IC SYNC BIN U/D COUNTER
