74HC595D

7.000₫

Còn hàng

The 74HC/HCT595 are high-speed Si-gate CMOSdevices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A.
The 74HC/HCT595 is an 8-stage serial shift register with a storage register and 3-state outputs. The shift register and storage register have separate clocks.
Data is shifted on the positive-going transitions of the SH_CP input. The data in each register is transferred to the storage register on a positive-going transition of the ST_CP input. 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 (Q7?) 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 output enable input (OE) is LOW.

 Features

  • - 8-bit serial input
  • - 8-bit serial or parallel output
  • - Storage register with 3-state outputs
  • - Shift register with direct clear
  • - 100 MHz (typical) shift out frequency
  • - ESD protection:
  •                              + HBM EIA/JESD22-A114-A exceeds 2000 V
  •                              + MM EIA/JESD22-A115-A exceeds 200 V.

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