SN74HC191DTE4

計數器 IC 4-Bit Synch Up/Down Binary Counter

SN74HC191DTG4

計數器 IC 4B SYNC Up Down Binary Counters

SN74HC191N

計數器 IC 4-Bit Sync UpDn Bnry

SN74HC191NE4

計數器 IC 4-Bit Synch Up/Down Binary Counter

SN74HC191NSR

計數器 IC 4-Bit Sync UpDn Bnry

SN74HC191NSRE4

計數器 IC 4-Bit Synch Up/Down Binary Counter

SN74HC191NSRG4

計數器 IC 4B SYNC Up Down Binary Counters

SN74HC193D

計數器 IC 4-Bit Sync UpDn Bnry

SN74HC193DE4

計數器 IC 4-Bit Sync Up/Down

SN74HC193DG4

計數器 IC 4B SYNC Up Down Counters

SN74HC193DR

計數器 IC 4-Bit Sync Up/Down

SN74HC193DRE4

計數器 IC 4-Bit Sync Up/Down