MM74HCT190  Level changes on Enable or Down/Up can be made regardless of the level of the clock

厂商： NSC[National Semiconductor] 查看供应商

CD74HCT190  HIGH SPEED CMOS LOGIC

厂商： TI[Texas Instruments] 查看供应商

74HCT190  Presettable synchronous BCD decade up/down counter

厂商： PHILIPS[Philips Semiconductors] 查看供应商

74HCT190D  Presettable synchronous BCD decade up/down counter

厂商： PHILIPS[Philips Semiconductors] 查看供应商

74HCT190DB  Presettable synchronous BCD decade up/down counter

厂商： PHILIPS[Philips Semiconductors] 查看供应商

74HCT190N  Presettable synchronous BCD decade up/down counter

厂商： PHILIPS[Philips Semiconductors] 查看供应商

74HCT190PW  Presettable synchronous BCD decade up/down counter

厂商： PHILIPS[Philips Semiconductors] 查看供应商

CD74HCT190M  Presettable Synchronous 4-Bit Up/Down Counter

厂商： Texas Instruments查看供应商

CD74HCT190H  Presettable Synchronous 4-Bit Up/Down Counter

厂商： Texas Instruments查看供应商