SN74HC595DWRIn StockTexas Instruments
The SN74HC595DWR is an 8-bit serial-in, parallel-out shift register with 3-state output registers and 25 MHz max frequency. Features 150 pF load capacitance and registered parallel outputs with unregistered serial shift right. From $0.18, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SN74HC595DWR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.1841(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit serial-in, parallel-out shift register with 3-state output registers for flexible bus interfacing
- 25 MHz maximum operating frequency for high-speed data shifting applications
- Registered parallel output with unregistered serial shift right output for cascading multiple devices
- HC/UH logic family with Pb-free (e4) compliance for RoHS-compatible designs
- 150 pF load capacitance support in compact 16-pin SOIC (R-PDSO-G16) package
Applications
The SN74HC595DWR is widely used in LED matrix and display driving applications where multiple outputs need to be controlled from a few microcontroller pins via SPI or bit-banged serial interfaces. It is commonly found in embedded systems, IoT devices, and consumer electronics for GPIO expansion, enabling microcontrollers to drive more peripherals than their native pin count allows. The device is also used in industrial control panels and communication equipment where daisy-chaining multiple shift registers extends output capacity efficiently.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | PARALLEL OUTPUT IS REGISTERED; UNREGISTERED SERIAL SHIFT RIGHT OUTPUT |
| Count Direction | RIGHT |
| Family | HC/UH |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 150pF |
| Logic IC Type | SERIAL IN PARALLEL OUT |
| Max Frequency@Nom-Sup | 25000000Hz |
| Max I(ol) | 0.0078A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 34ns |
| Propagation Delay (tpd) | 200ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 24MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74HC595DWR:
8-Bit, Right Direction, True Output, CMOS, PDSO16
Serial In Parallel Out, HC Series, 8-Bit, Right Direction, True Output, CMOS, PDSO16
Serial In Parallel Out, HC/UH Series, 8-Bit, Right Direction, True Output, CMOS, PDSO16
Frequently Asked Questions
What is the maximum operating frequency of the SN74HC595DWR?
The SN74HC595DWR supports a maximum clock frequency of 25 MHz (25,000,000 Hz) at nominal supply voltage. This high-speed operation makes it suitable for fast serial-to-parallel data conversion in demanding embedded and digital logic applications.
Can SN74HC595DWR devices be cascaded for more than 8 outputs?
Yes, multiple SN74HC595DWR devices can be daisy-chained together. The unregistered serial shift right output (QH') connects to the serial input (SER) of the next device in the chain, allowing expansion to 16, 24, or more outputs while using only 3 microcontroller pins (data, clock, latch).
What package does the SN74HC595DWR come in and what are its key electrical characteristics?
The SN74HC595DWR is housed in a 16-pin Wide Small Outline Package (SOIC, R-PDSO-G16). It supports a 150 pF load capacitance on its 3-state outputs, belongs to the HC/UH logic family, and is Pb-free (JESD-609 Code e4), making it compliant with RoHS environmental standards.
What is the difference between the registered parallel output and the serial output on SN74HC595DWR?
The SN74HC595DWR features registered parallel outputs (Q0–Q7) that are latched by the storage register clock, providing stable output even while shifting new data in. The serial output (QH') is unregistered and directly reflects the shift register state, enabling seamless cascading of multiple SN74HC595DWR devices without additional logic.
Related Guides
Ultra Low Power Microcontroller Comparison 2026: STM32L4 vs MSP430 vs MSP432 vs CC2640
Engineer-grade 2026 comparison of ultra-low-power MCUs — STM32L476, MSP430A139, MSP432P401R, CC2640F128 across standby current, active current, and battery life.
May 5, 2026
BOM Cost Reduction: 7 Strategies for Electronics Manufacturers in 2026
Practical 2026 BOM optimization playbook — 7 proven strategies, ranked by payback time and risk. With realistic per-unit savings and verification steps.
May 5, 2026
STM32F072C8T6 Pin-Compatible Alternatives 2026: Cheaper Drop-In Options Compared
Engineer-grade compatibility analysis for STM32F072C8T6 alternatives in 2026 — pin compatibility, firmware portability, cost and lead time for each option.
May 5, 2026
Top Microcontrollers for IoT 2026: ESP32 vs Arduino vs STM32 vs RPi Pico
The five IoT MCU platforms compared on 2026 pricing, lead time, and use case — ESP32-S3, Arduino, STM32F0, RP2040, TI CC2640/CC1352P.
May 5, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.1841 | $0.18 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”