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Home > Products > Integrated Circuits (ICs) > Logic > Shift Registers

STMicroelectronics M74HC595RM13TR

Name: M74HC595RM13TR
Brand: STMicroelectronics
SKU: M74HC595RM13TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: M74HC595RM13TR

Manufacturer:: STMicroelectronics

Category:: Shift Registers

Package:: 16-SOIC (0.154", 3.90mm Width)

Datasheet:: M74HC595RM13TR.pdf

Description:: IC SHIFT REGISTER 8BIT 16-SOIC

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Product details

Overview

M74HC595RM13TR from STMicroelectronics is an 8-bit serial-in, parallel-out shift register with output latches and 3-state outputs, designed for digital control expansion in embedded systems. It features dual independent clocks (SCK for shift register, RCK for storage register), asynchronous clear (SCLR), and operates across 2 V to 6 V. Typical f_MAX = 59 MHz at V_CC = 6 V, I_CC ≤ 4 μA at 25 °C, and supports cascading via QH′ serial output - used in LED matrix drivers and GPIO-expansion interfaces.

For engineers reviewing the M74HC595RM13TR datasheet, M74HC595RM13TR pinout, M74HC595RM13TR application, or M74HC595RM13TR equivalent, key selection criteria include its -55/+125 °C operating range, SO16 package, 3-state output enable (G), separate clock domains for shift/storage registers, and compatibility with standard 74-series 595 logic.

Technical Context

The device integrates two synchronous stages: an 8-bit shift register accepting serial data on SI with positive-edge-triggered SCK, and an 8-bit D-type storage register loaded on positive-edge-triggered RCK. The storage register drives eight 3-state outputs (QA–QH), controlled by active-low G. QH′ provides cascaded serial output aligned with the shift register's MSB.

SCLR asynchronously clears the shift register (but not the storage register). Input protection includes HBM ESD rating of 2 kV, and noise immunity is specified as V_NIH/V_NIL ≥ 28% V_CC. Propagation delays are balanced (t_PLH ≅ t_PHL) and output drive strength is 6 mA (QA–QH) and 4 mA (QH′) at V_CC = 4.5 V.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Range	2 V to 6 V - enables direct interface with 3.3 V and 5 V logic families without level shifting.
f_MAX	59 MHz (typ.) at V_CC = 6 V - supports high-speed serial loading for real-time display or control updates.
I_OH/I_OL (QA–QH)	±6 mA (min.) at V_CC = 4.5 V - sufficient to directly drive LEDs or TTL inputs without external buffers.
t_PLH/t_PHL (RCK → Qn)	13 ns (typ.) at V_CC = 6 V, CL = 50 pF - ensures fast latch-to-output response for timing-critical output updates.
Operating Temp	-55 °C to +125 °C - qualified for industrial and extended-temperature environments including under-hood automotive subsystems.
ESD Rating	HBM: 2 kV - provides robust handling during PCB assembly and field service without additional protection circuitry.
Output Enable	Active-low G pin - allows bus sharing and dynamic output isolation in multi-device systems.

Pinout & Package

Package: SO16 (Small Outline, 16-pin, 300 mil width), RoHS-compliant, ECOPACK® certified.

Pin/Terminal	Circuit Role	Design Meaning
1–7, 15 (QA–QH)	Parallel output terminals	3-state buffered outputs driven by storage register; enabled only when G = low.
9 (QH′)	Serial output	MSB of shift register; enables daisy-chaining multiple M74HC595 devices.
10 (SCLR)	Asynchronous clear input	Active-high reset of shift register only; does not affect stored data in QA–QH.
11 (SCK)	Shift register clock	Positive-edge-triggered; advances SI data into shift register, shifting existing bits left.
12 (RCK)	Storage register clock	Positive-edge-triggered; transfers current shift register contents to QA–QH outputs.
13 (G)	Output enable	Active-low control of QA–QH 3-state drivers; high = high-impedance outputs.
14 (SI)	Serial data input	LSB-first serial data entry point for shift register; synchronized to SCK.
8 (GND)	Ground reference	0 V return path for all internal logic and output drivers.
16 (V_CC)	Power supply	Primary DC supply for CMOS logic core and output buffers; must be decoupled locally.

Key Features

Feature	Design Value
Dual independent clocks	SCK and RCK allow asynchronous shift-and-latch operation - e.g., preload data while previous frame displays.
8-bit 3-state outputs	QA–QH can be tri-stated simultaneously via G, enabling shared-bus architectures without contention.
Cascadable serial output	QH′ provides bit-aligned serial stream for chaining - eliminates need for external multiplexing in multi-register systems.
High noise immunity	V_NIH/V_NIL ≥ 28% V_CC ensures reliable switching in electrically noisy industrial environments.
Low static power	I_CC ≤ 4 μA at 25 °C enables battery-powered or energy-sensitive applications without duty cycling.

Applications

LED Matrix Driver

Industrial PLC I/O Expansion

Use Scenario: Driving 8×8 monochrome LED displays using microcontroller GPIO-constrained interfaces.

IC Role / Device Role / Timing Role: Serial-to-parallel converter that accepts SPI-like data and presents it as parallel column/row signals with precise latch timing.

Use Value: Reduces MCU pin count from 16 to 3 (SI, SCK, RCK) while maintaining full brightness control via PWM-compatible 6 mA outputs.

Use Scenario: Adding isolated digital output channels to programmable logic controllers in factory automation cabinets.

IC Role / Device Role / Timing Role: Output expander with wide temperature range (-55/+125 °C) and robust ESD tolerance for DIN-rail mounted control modules.

Use Value: Enables reliable 24 V interface design using external pull-up resistors and optocoupler isolation, supported by stable 3-state behavior during hot-swap events.

Consumer Remote Control Decoder

Automotive Body Control Module

Use Scenario: Decoding infrared remote command streams and driving segmented LCD backlights or indicator LEDs in home audio systems.

IC Role / Device Role / Timing Role: Glue logic between low-power IR receiver IC and display peripherals, leveraging low I_CC and 2 V minimum V_CC.

Use Value: Operates directly from 3.3 V LDO rails with no level translation, reducing BOM cost and board space versus discrete solutions.

Use Scenario: Controlling interior lighting, mirror heaters, and door lock actuators in passenger vehicles.

IC Role / Device Role / Timing Role: High-reliability output driver qualified per AEC-Q100 stress tests (via pin-compatible M74HC595YRM13TR variant).

Use Value: Supports 12 V battery-supplied systems via 6 V tolerant V_CC, with latch integrity maintained across load-dump transients due to C2MOS process robustness.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit shift register with storage latch applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74HC595DR	Same logic function and pinout; TI version rated for -40/+85 °C (industrial grade only).	Lacks extended -55/+125 °C qualification and automotive screening; unsuitable for under-hood or military-grade use.	Select if operating ambient stays within -40/+85 °C and cost sensitivity outweighs temperature margin.
74AHC595PW	NXP variant in TSSOP16; higher speed (f_MAX = 115 MHz at 5 V) but lower drive (I_OL = 8 mA max).	Smaller footprint but reduced thermal margin; requires tighter layout control for EMI-sensitive automotive infotainment.	Choose for space-constrained designs needing >80 MHz update rates, with verified signal integrity at target clock frequency.

Compared with SN74HC595DR and 74AHC595PW, M74HC595RM13TR delivers superior temperature resilience and proven industrial reliability in SO16, making it optimal for harsh-environment deployments where long-term parametric stability is critical.

Availability

M74HC595RM13TR is available at Aetrix Electronics and suitable for industrial PLCs, automotive body control units, LED signage systems, and consumer appliance UIs requiring stable component supply across extended temperature ranges and multi-year production cycles.

Supply support for M74HC595RM13TR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in microcontrollers, power management, analog, and automotive ICs.

M74HC595RM13TR belongs to ST's high-reliability HC logic family, engineered for industrial and automotive applications demanding extended temperature operation, ESD robustness, and long-term supply assurance.

FAQ

What is the maximum clock frequency for reliable operation at 3.3 V?

At V_CC = 3.3 V, the datasheet specifies f_MAX = 24 MHz (min.) over the full -55/+125 °C range. This value is derived from AC characterization with CL = 50 pF and accounts for worst-case propagation delay and setup/hold margins. Operation above this frequency risks metastability or incomplete data capture in the shift register.

Can M74HC595RM13TR drive standard 5 mm LEDs directly?

Yes - each QA–QH output delivers ≥6 mA sink/source at V_CC = 4.5 V, sufficient for typical 5 mm LEDs with forward voltage ≤2.2 V and 10–20 mA nominal current when used with appropriate series resistors. At V_CC = 3.3 V, output current drops to ≥4 mA, supporting low-current indicator LEDs.

How does the SCLR pin interact with the storage register?

SCLR only resets the 8-bit shift register to zero; it has no effect on the storage register or QA–QH outputs. Data latched into QA–QH remains unchanged during SCLR assertion, allowing safe clearing of incoming serial data without disrupting currently displayed or driven outputs.

Is there a recommended decoupling capacitor value for V_CC?

ST recommends a 100 nF ceramic capacitor placed as close as possible to pins 16 (V_CC) and 8 (GND), supplemented by a 1–10 μF bulk capacitor near the power entry point. This combination suppresses high-frequency switching noise from output transitions and maintains stable V_CC during simultaneous 8-bit output slewing.

M74HC595RM13TR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: 74HC

Package/Case:: 16-SOIC (0.154", 3.90mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

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:: -55°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 16-SO

M74HC595RM13TR FAQ

1.How can I place an order for M74HC595RM13TR through Aetrix?

Please submit a Request for Quotation (RFQ) for M74HC595RM13TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for M74HC595RM13TR reliable?

The price and inventory of M74HC595RM13TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M74HC595RM13TR is usually 5 days.

3.What payment methods are accepted for M74HC595RM13TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M74HC595RM13TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for M74HC595RM13TR?

M74HC595RM13TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your M74HC595RM13TR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for M74HC595RM13TR?

For technical support, including M74HC595RM13TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M74HC595RM13TR requirements.

6.How does Aetrix verify that M74HC595RM13TR is sourced from the original manufacturer or authorized distributors?

All M74HC595RM13TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that M74HC595RM13TR meets industry standards.

7.What is the process for return or replacement of M74HC595RM13TR?

All M74HC595RM13TR units undergo pre-shipment inspection (PSI). If there is an issue with M74HC595RM13TR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The M74HC595RM13TR part is unused and in its original packaging.

Return procedure for M74HC595RM13TR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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