74HC595
8-Bit Serial-In/Serial-Out or Parallel-Out Shift Register with 3-State Controlled Outputs
The 74HC595 is an 8-bit serial-in/serial-out or parallel-out shift register with 3-state outputs designed for 2.0V to 5.5V VCC operation.
The device integrates an 8-bit shift register and an 8-bit D-type storage register. The storage register features parallel 3-state outputs. The shift register provides a clear input (SRCLR) with direct overriding function, a serial input (SER) and a serial output (QH') to implement cascading. When output enable input (OE ) is held low, the data in storage register will appear at the outputs. When OE is held high, all parallel outputs are in high-impedance state.
Both the shift register and storage register have separate clocks. The shift register clock (SRCLK) and storage register clock (RCLK) are positive-edge triggered.
The 74HC595 is available in Green TSSOP-16, SOIC-16, SSOP-16 (209mil) and TQFN-2.5×3.5-16L packages. It operates over an operating temperature range of -40℃ to +125℃.
- Wide Supply Voltage Range: 2.0V to 5.5V
- Low Power Consumption: ICC = 10μA (MAX)
- Propagation Delay: tPD = 15ns (TYP) at VCC = 5.5V
- Low Input Current: II = ±10nA (TYP)
- 8-Bit Serial-In/Serial-Out or Parallel-Out Shift Register
- Direct Clear Input of Shift Register
- High-Current 3-State Output Drive Capacity: 15 LSTTL Loads
- Latch-Up Performance (> 100mA) Meets JESD 78, Class II Standard
- -40℃ to +125℃ Operating Temperature Range
- Available in Green TSSOP-16, SOIC-16, SSOP-16 (209mil) and TQFN-2.5×3.5-16L Packages
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