SN74HC595DW
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Texas Instruments SN74HC595DW

Manufacturer No:
SN74HC595DW
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC 8-BIT SHIFT REGISTER 16-SOIC
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Payment:
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Product Introduction

Overview

The SN74HC595DW is an 8-bit serial-in, parallel-out shift register produced by Texas Instruments. It is part of the HC family of logic devices, designed for CMOS applications. This device features a wide operating voltage range of 2 V to 6 V, making it versatile for various electronic systems. The SN74HC595DW includes an 8-bit shift register that feeds an 8-bit D-type storage register, with separate clocks for both the shift and storage registers. The device also includes a direct overriding clear input, serial input, and serial outputs for cascading, along with high-current 3-state outputs that can drive up to 15 LSTTL loads.

Key Specifications

Parameter Min Nom Max Unit
VCC Supply Voltage 2 5 6 V
VIH High-Level Input Voltage (VCC = 2 V) 1.5 1.5 1.5 V
VIH High-Level Input Voltage (VCC = 4.5 V) 3.15 3.15 3.15 V
VIH High-Level Input Voltage (VCC = 6 V) 4.2 4.2 4.2 V
VIL Low-Level Input Voltage (VCC = 2 V) 0.5 0.5 0.5 V
VIL Low-Level Input Voltage (VCC = 4.5 V) 1.35 1.35 1.35 V
VIL Low-Level Input Voltage (VCC = 6 V) 1.8 1.8 1.8 V
ICC Power Consumption (Max) 80 μA
tpd Propagation Delay (Typical) 13 ns
Output Drive at 5 V ±6 mA
Input Current (Max) 1 μA

Key Features

  • 8-bit serial-in, parallel-out shift register
  • Wide operating voltage range of 2 V to 6 V
  • High-current 3-state outputs can drive up to 15 LSTTL loads
  • Low power consumption: 80-μA (maximum) ICC
  • Typical propagation delay of 13 ns
  • ±6-mA output drive at 5 V
  • Low input current: 1 μA (maximum)
  • Shift register has direct overriding clear (SRCLR) input
  • Separate clocks for shift and storage registers
  • Positive-edge triggered clocks

Applications

  • Network switches
  • Power infrastructure
  • LED displays
  • Servers

Q & A

  1. What is the operating voltage range of the SN74HC595DW?

    The operating voltage range is from 2 V to 6 V.

  2. How many LSTTL loads can the high-current 3-state outputs drive?

    The high-current 3-state outputs can drive up to 15 LSTTL loads.

  3. What is the typical propagation delay of the SN74HC595DW?

    The typical propagation delay is 13 ns.

  4. What is the maximum power consumption of the SN74HC595DW?

    The maximum power consumption is 80 μA.

  5. Does the SN74HC595DW have a direct clear input?

    Yes, the shift register has a direct overriding clear (SRCLR) input.

  6. Are the clocks for the shift and storage registers separate?

    Yes, separate clocks are provided for both the shift and storage registers.

  7. What is the input current of the SN74HC595DW?

    The maximum input current is 1 μA.

  8. Can the outputs be disabled?

    Yes, when the output-enable (OE) input is high, the outputs are in the high-impedance state.

  9. What are some common applications of the SN74HC595DW?

    Common applications include network switches, power infrastructure, LED displays, and servers.

  10. Are the clocks positive-edge triggered?

    Yes, both the shift register clock (SRCLK) and storage register clock (RCLK) are positive-edge triggered.

Product Attributes

Logic Type:Shift Register
Output Type:Tri-State
Number of Elements:1
Number of Bits per Element:8
Function:Serial to Parallel, Serial
Voltage - Supply:2V ~ 6V
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:16-SOIC
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Similar Products

Part Number SN74HC595DW SN74HC595DWR SN74HC595PW SN74HC594DW SN74HC595D SN74HC595DR SN74HC595DT
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active Active Active
Logic Type Shift Register Shift Register Shift Register Shift Register Shift Register Shift Register Shift Register
Output Type Tri-State Tri-State Tri-State Push-Pull Tri-State Tri-State Tri-State
Number of Elements 1 1 1 1 1 1 1
Number of Bits per Element 8 8 8 8 8 8 8
Function Serial to Parallel, Serial Serial to Parallel, Serial Serial to Parallel, Serial Serial to Parallel Serial to Parallel, Serial Serial to Parallel, Serial Serial to Parallel, Serial
Voltage - Supply 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width) 16-TSSOP (0.173", 4.40mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width)
Supplier Device Package 16-SOIC 16-SOIC 16-TSSOP 16-SOIC 16-SOIC 16-SOIC 16-SOIC

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