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SN74HCS594-Q1

ACTIVE

Automotive 8-bit shift registers with output registers

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Data sheet

SN74HCS594-Q1

ACTIVE
Data sheet Order now

Product details

Configuration Serial-in, Parallel-out Bits (#) 8 Technology family HCS Input type Schmitt-Trigger Output type Push-Pull Clock frequency (MHz) 68 IOL (max) (mA) 7.8 IOH (max) (mA) -7.8 Supply current (max) (µA) 2 Features Balanced outputs, High speed (tpd 10-50ns), Output register, Positive input clamp diode Operating temperature range (°C) -40 to 125 Rating Automotive
Configuration Serial-in, Parallel-out Bits (#) 8 Technology family HCS Input type Schmitt-Trigger Output type Push-Pull Clock frequency (MHz) 68 IOL (max) (mA) 7.8 IOH (max) (mA) -7.8 Supply current (max) (µA) 2 Features Balanced outputs, High speed (tpd 10-50ns), Output register, Positive input clamp diode Operating temperature range (°C) -40 to 125 Rating Automotive
WQFN (BQB) 16 8.75 mm² (3.5 mm × 2.5 mm) SOT-23-THN (DYY) 16 8.4 mm² (4.2 mm × 2 mm) TSSOP (PW) 16 32 mm² (5 mm × 6.4 mm) SOIC (D) 16 59.4 mm² (9.9 mm × 6 mm)
  • AEC-Q100 Qualified for automotive applications:
    • Device temperature grade 1: –40°C to +125°C, T A
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C6
  • Available in wettable flank QFN (WBQB) package
  • Wide operating voltage range: 2 V to 6 V
  • Schmitt-trigger inputs allow for slow or noisy input signals
  • Low power consumption:
    • Typical I CC of 100 nA
    • Typical input leakage current of ±100 nA
  • ±7.8-mA output drive at 6 V
  • AEC-Q100 Qualified for automotive applications:
    • Device temperature grade 1: –40°C to +125°C, T A
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C6
  • Available in wettable flank QFN (WBQB) package
  • Wide operating voltage range: 2 V to 6 V
  • Schmitt-trigger inputs allow for slow or noisy input signals
  • Low power consumption:
    • Typical I CC of 100 nA
    • Typical input leakage current of ±100 nA
  • ±7.8-mA output drive at 6 V

The SN74HCS594-Q1 device contains an 8-bit, serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. All inputs include Schmitt-triggers, eliminating any erroneous data outputs due to slow-edged or noisy input signals. The storage register has parallel outputs. Separate clocks and direct overriding clear ( SRCLR, RCLR) inputs are provided for both the shift and storage register. A serial output (Q H’) is provided for cascading.

Both the shift register (SRCLK) and storage register (RCLK) clocks are positive edge triggered. If both clocks are connected together, the shift register is one count pulse ahead of the storage register.

The SN74HCS594-Q1 device contains an 8-bit, serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. All inputs include Schmitt-triggers, eliminating any erroneous data outputs due to slow-edged or noisy input signals. The storage register has parallel outputs. Separate clocks and direct overriding clear ( SRCLR, RCLR) inputs are provided for both the shift and storage register. A serial output (Q H’) is provided for cascading.

Both the shift register (SRCLK) and storage register (RCLK) clocks are positive edge triggered. If both clocks are connected together, the shift register is one count pulse ahead of the storage register.
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Technical documentation

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* Data sheet SN74HCS594-Q1 Automotive 8-Bit Shift Register With Schmitt-Trigger Inputs and Output Registers datasheet (Rev. E) PDF | HTML Jul 10, 2023
Application brief Using Linear Interpolation to Estimate Specification Values PDF | HTML Apr 13, 2026
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Design & development

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Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

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Evaluation board

14-24-NL-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin non-leaded packages

14-24-NL-LOGIC-EVM is a flexible evaluation module (EVM) designed to support any logic or translation device that has a 14-pin to 24-pin BQA, BQB, RGY, RSV, RJW or RHL package.

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Simulation model

SN74HCS594 IBIS Model (Rev. B)

SCEM771 (251 KB) - IBIS model
Supported products & hardware
Simulation model

SN74HCS594-Q1 IBIS Model

SCEM784.ZIP (51 KB) - IBIS model
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
WQFN (BQB) 16 Ultra Librarian
SOT-23-THN (DYY) 16 Ultra Librarian
TSSOP (PW) 16 Ultra Librarian
SOIC (D) 16 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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