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 6.0V 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 6.0V
- Low Power Consumption: ICC = 10μA (MAX)
- Propagation Delay: tPD = 15ns (TYP) at VCC = 6.0V
- 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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