The ’HC4040 and ’HCT4040 are 14-stage ripple-carry binary counters. All counter stages are master-sl
The ’HC4538 and ’HCT4538 are dual retriggerable/resettable monostable precision mulTIvibrators for f
The ’HC123, ’HCT123, CD74HC423 and CD74HCT423 are dual monostable mulTIvibrators with resets. They a
The ’HC138, ’HC238, ’HCT138, and ’HCT238 are high speed silicon gate CMOS decoders well suited to me
The ’HC139 and ’HCT139 devices contain two independent binary to one of four decoders each with a si
The ’HC154 and ’HCT154 are 4-to-16 line decoders/demulTIplexers with two enable inputs, E1 and E2. A
The CD74HC390 and ’HCT390 dual 4-bit decade ripple counters are high-speed silicon-gate CMOS devices
74LS595、74HC595中文资料.pdf)
Serialized into and out of the chip 74HC595 application.pdf
cd74hc42研究手册
