NXP 74AHC595PW,118 移位寄存器, AHC系列, 高速CMOS, 串行至并行、串行至串行, 1元件, TSSOP, 16 引脚, 2 V, 5.5 V
The 74AHC595PW is a 8-bit CMOS serial-in/serial-out or parallel-out Shift Register with output latches. It is pin compatible with low-power Schottky TTL LSTTL. It comes with a storage register and 3-state outputs. It has separate clocks. Data is shifted on the positive-going transitions of the shift register clock input SHCP. The data in each register is transferred to the storage register on a positive-going transition of the storage register clock input STCP. If both clocks are connected together, the shift register will always be one clock pulse ahead of the storage register. The shift register has a serial input DS and a serial standard output Q7S for cascading. It is also provided with asynchronous reset active low for all 8 shift register stages. The storage register has 8 parallel 3-state bus driver outputs. Data in the storage register appears at the output whenever the OE\ is low.
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