【NXP Semiconductors】74HC191DB,112,IC SYNC 4BIT BINARY UP/DN 16SSOP
【NXP Semiconductors】74HC191DB,118,IC 4BIT BINAR UP/DN COUNT 16SSOP
【NXP Semiconductors】74HC191DB-T,计数器 IC SYNC BIN U/D COUNTER
【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
