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

Nexperia USA Inc. 74AHC595D,118

Name: 74AHC595D,118
Brand: Nexperia USA Inc.
SKU: 74AHC595D,118
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74AHC595D,118

Manufacturer:: Nexperia USA Inc.

Category:: Shift Registers

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

Datasheet:: 74AHC595D,118.pdf

Description:: IC 8BIT SRL SHFT REGISTER 16SOIC

Quantity:: RFQ Add To RFQ list

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Product details

Overview

74AHC595D,118 from Nexperia is an 8-bit serial-in/parallel-out shift register with storage latch and 3-state outputs, used for serial-to-parallel data expansion in microcontroller I/O-constrained systems. It features separate shift clock (SHCP) and storage clock (STCP), asynchronous master reset (MR), and output enable (OE) control. Operates from 2.0 V to 5.5 V with CMOS input levels and supports cascading via Q7S serial output.

For engineers reviewing the 74AHC595D,118 datasheet, 74AHC595D,118 pinout, 74AHC595D,118 application, or 74AHC595D,118 equivalent, key selection criteria include propagation delay (≤10.5 ns at 5 V), wide supply range (2.0–5.5 V), overvoltage-tolerant inputs (to 5.5 V), -40 °C to +125 °C operation, and SO16 package compatibility with legacy PCB footprints.

Technical Context

The device implements a two-stage pipeline: an 8-bit shift register accepting serial data on DS with LOW-to-HIGH SHCP transitions, and an independent 8-bit storage register loaded on LOW-to-HIGH STCP edges. Outputs Q0–Q7 reflect storage register contents only when OE is LOW; MR asynchronously clears the shift register but leaves the storage register unaffected.

Input tolerance to 5.5 V enables mixed-voltage interfacing (e.g., 3.3 V MCU driving 5 V peripherals). Schmitt-trigger inputs improve noise immunity, while balanced propagation delays ensure timing predictability across temperature (-40 °C to +125 °C) and supply (2.0–5.5 V).

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	2.0 V to 5.5 V - supports direct interface with 3.3 V and 5 V logic families without level shifters
Propagation Delay (t_pd)	≤10.5 ns at V_CC = 4.5–5.5 V, C_L = 50 pF - enables >90 MHz clock rates in high-speed data latching
Max Clock Frequency (f_max)	170 MHz at V_CC = 4.5–5.5 V - allows rapid serial loading for real-time LED matrix or display refresh
Input Voltage Tolerance	Up to 5.5 V - permits safe connection to higher-voltage buses without external clamping
Operating Temperature	-40 °C to +125 °C - qualified for automotive under-hood and industrial control environments
Output Drive Strength	±8 mA at V_CC = 4.5 V - sufficient to directly drive LEDs or standard TTL loads without buffers
Power Dissipation	≤75 μA ICC at V_CC = 5.5 V - enables low-quiescent-power operation in battery-backed systems

Pinout & Package

74AHC595D,118 is supplied in SO16 (SOT109-1) plastic small outline package: 16-pin, 3.9 mm body width, 1.27 mm pitch, surface-mount, RoHS-compliant.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 3, 4, 5, 6, 7, 15	Q0–Q7 parallel outputs	Tri-state buffered outputs reflecting storage register state when OE = LOW
8	GND	Ground reference for all internal logic and output stages
9	Q7S serial output	Shift register stage 7 output for daisy-chaining multiple devices
10	MR (Master Reset)	Asynchronous active-LOW reset of shift register only; storage register unaffected
11	SHCP (Shift Clock)	LOW-to-HIGH edge shifts serial data (DS) into shift register
12	STCP (Storage Clock)	LOW-to-HIGH edge transfers shift register contents to storage register
13	OE (Output Enable)	Active-LOW control of Q0–Q7 output drivers; HIGH forces high-impedance state
14	DS (Data Serial input)	Serial data input synchronized to SHCP rising edge
16	V_CC	Positive supply rail; powers both logic core and output drivers

Key Features

Feature	Design Value
Separate shift/storage clocks	Enables independent control of data shifting and output latching - critical for glitch-free display updates
Overvoltage-tolerant inputs	Accepts up to 5.5 V regardless of V_CC - eliminates need for external voltage translators in mixed-supply systems
Schmitt-trigger inputs	Provides ≥0.5 V hysteresis on SHCP, STCP, MR, OE, and DS - rejects noise on long PCB traces or cables
3-state parallel outputs	Q0–Q7 enter high-Z state when OE = HIGH - allows bus sharing and prevents contention in multi-device configurations
Wide temperature range	Specified from -40 °C to +125 °C - meets AEC-Q100 Grade 1 requirements for automotive body electronics

Applications

LED Matrix Driver

Microcontroller I/O Expander

Use Scenario: Driving 8×8 monochrome LED displays using SPI-controlled serial data.

IC Role / Device Role / Timing Role: Converts MCU's SPI output into parallel column/row signals; STCP synchronizes display update to avoid flicker.

Use Value: Reduces required MCU GPIO count from 16 to 3 (DS, SHCP, STCP), while OE enables blanking during data load.

Use Scenario: Adding digital outputs to resource-limited ARM Cortex-M0+ designs.

IC Role / Device Role / Timing Role: Acts as peripheral output latch; shift register absorbs burst data, storage register holds stable outputs until next update.

Use Value: Enables deterministic output timing - Q0–Q7 remain unchanged during serial loading, eliminating output glitches.

Industrial Sensor Interface

Remote Control Decoder Buffer

Use Scenario: Consolidating status bits from 8 discrete sensors (e.g., limit switches, fault indicators) into one serial stream.

IC Role / Device Role / Timing Role: Parallel inputs sampled via MR/STCP; serial readout via Q7S to reduce wiring harness complexity.

Use Value: Overvoltage-tolerant inputs accept 5 V sensor signals directly, even when V_CC = 3.3 V - no external level-shifting components needed.

Use Scenario: Holding decoded IR remote command bytes for microcontroller polling.

IC Role / Device Role / Timing Role: Stores 8-bit command code in storage register; OE allows CPU to read data only when ready, avoiding bus contention.

Use Value: Asynchronous MR ensures immediate reset on power-up or error recovery - guarantees known initial state before first command decode.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit serial-in/parallel-out shift register applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
74AHCT595D,118	TTL-compatible inputs (VIH = 2.0 V min); identical pinout and function	Better suited for legacy 5 V TTL systems where input thresholds must match 2.0 V logic-high	Select when interfacing with older 5 V microcontrollers or logic families requiring TTL-level recognition
SN74HC595PWR	TI part; same function but different AC specs - t_pd = 25 ns max at 6 V, lower drive (±4 mA)	Higher propagation delay limits use in >25 MHz applications; lower drive requires buffering for LED loads	Choose only if TI supply chain preference outweighs timing and drive requirements

Compared with 74AHCT595D,118, the 74AHC595D,118 offers superior noise immunity (Schmitt-trigger inputs) and wider V_CC range (2.0–5.5 V vs. 4.5–5.5 V), while SN74HC595PWR trades speed and drive strength for broader vendor availability - making the Nexperia part optimal for new designs demanding robustness and flexibility.

Availability

74AHC595D,118 is available at Aetrix Electronics and suitable for LED display control, microcontroller I/O expansion, industrial sensor aggregation, and remote control decoding requiring stable component supply across automotive and industrial temperature ranges.

Supply support for 74AHC595D,118 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

Nexperia is a global semiconductor expert delivering high-performance, reliable, and energy-efficient components for automotive, industrial, computing, consumer, and mobile applications.

The 74AHC595D,118 belongs to Nexperia's advanced logic family designed for robust serial-to-parallel conversion in harsh environments - emphasizing wide voltage operation, overvoltage tolerance, and extended temperature reliability.

FAQ

What is the maximum clock frequency supported by the 74AHC595D,118?

The 74AHC595D,118 supports a maximum shift clock (SHCP) frequency of 170 MHz at V_CC = 4.5–5.5 V and 110 MHz at -40 °C to +85 °C ambient. This rating assumes proper signal integrity, load capacitance ≤50 pF, and clean power supply decoupling. Real-world system clocking is typically limited by PCB layout and driver capability rather than the IC's intrinsic limit.

Can the 74AHC595D,118 be used with a 3.3 V microcontroller and 5 V peripherals?

Yes. Its inputs tolerate up to 5.5 V regardless of V_CC, allowing direct connection to 5 V peripheral signals while powered from 3.3 V. Outputs swing rail-to-rail (0 V to 3.3 V), so level-shifting is required for driving 5 V inputs - but input-side voltage translation is eliminated, simplifying interface design.

How does the master reset (MR) affect the storage register?

The MR pin resets only the 8-bit shift register to zero; it has no effect on the storage register or its parallel outputs (Q0–Q7). This allows safe initialization of incoming data flow without disrupting currently displayed or latched values - essential for systems requiring uninterrupted output during reconfiguration.

Is the SO16 package (SOT109-1) lead-free and RoHS compliant?

Yes. The 74AHC595D,118 in SO16 packaging conforms to RoHS Directive 2011/65/EU and is lead-free, with matte tin (Sn) termination finish. The package uses halogen-free molding compound and meets JEDEC J-STD-020 moisture sensitivity level 1 (MSL-1), enabling standard reflow soldering without baking.

74AHC595D,118 Specifications

Product attributes: Attribute value

Manufacturer:: Nexperia USA Inc.

Series:: 74AHC

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

Packaging:: Tape & Reel (TR)

Product Status:: Active

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 ~ 5.5V

Operating Temperature:: -40°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 16-SO

74AHC595D,118 FAQ

1.How can I place an order for 74AHC595D,118 through Aetrix?

Please submit a Request for Quotation (RFQ) for 74AHC595D,118 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 74AHC595D,118 reliable?

The price and inventory of 74AHC595D,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHC595D,118 is usually 5 days.

3.What payment methods are accepted for 74AHC595D,118?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHC595D,118 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74AHC595D,118?

74AHC595D,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74AHC595D,118 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 74AHC595D,118?

For technical support, including 74AHC595D,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHC595D,118 requirements.

6.How does Aetrix verify that 74AHC595D,118 is sourced from the original manufacturer or authorized distributors?

All 74AHC595D,118 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 74AHC595D,118 meets industry standards.

7.What is the process for return or replacement of 74AHC595D,118?

All 74AHC595D,118 units undergo pre-shipment inspection (PSI). If there is an issue with 74AHC595D,118, 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 74AHC595D,118 part is unused and in its original packaging.

Return procedure for 74AHC595D,118:

1.Submit a request within 90 days.

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

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