SN74LS191N

計數(shù)器 IC 4-Bit Sync Up/Down

SN74LS191NE4

計數(shù)器 IC 4-Bit Sync Up/Down

SN74LS191NSR

計數(shù)器 IC 4-Bit Sync Up/Down

SN74LS191NSRE4

計數(shù)器 IC 4-Bit Sync Up/Down

SN74LS191NSRG4

計數(shù)器 IC Sync 4B Up Down Counters

SN74LS192

SN74LS193D

計數(shù)器 IC 4-Bit Sync Up/Down

SN74LS193DE4

計數(shù)器 IC 4-Bit Sync Up/Down

SN74LS193DG4

計數(shù)器 IC Sync 4B Up Down Binary Counters

SN74LS193DR

計數(shù)器 IC 4-Bit Sync Up/Down

SN74LS193DRE4

計數(shù)器 IC 4-Bit Sync Up/Down

SN74LS193DRG4

計數(shù)器 IC Sync 4B Up Down Binary Counters