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HomeProductsIntegrated Circuits (ICs)Logic - Shift Registers74HCT594T16-13
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74HCT594T16-13 - Diodes Incorporated

Manufacturer Part Number
74HCT594T16-13
Manufacturer
Diodes Incorporated
Allelco Part Number
32D-74HCT594T16-13
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
159,210 pcs available, New & Original
Parts Description
IC 8BIT SHIFT REGISTER 16TSSOP
Package
16-TSSOP
Data sheet
74HCT594T16-13.pdf

Datasheets

74HCT594.pdf

Environmental Information

Diodes Environmental Compliance Cert.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 159210
  • Unit Price: $0.12
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.12 $0.12
10+ $0.117 $1.17
30+ $0.115 $3.45
100+ $0.113 $11.30
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

74HCT594T16-13 Tech Specifications
Diodes Incorporated - 74HCT594T16-13 technical specifications, attributes, parameters and parts with similar specifications to Diodes Incorporated - 74HCT594T16-13

Product Attribute Attribute Value
Manufacturer Diodes Incorporated
Voltage - Supply 4.5V ~ 5.5V
Supplier Device Package 16-TSSOP
Series 74HCT
Package / Case 16-TSSOP (0.173", 4.40mm Width)
Package Tape & Reel (TR)
Output Type Push-Pull
Product Attribute Attribute Value
Operating Temperature -40°C ~ 150°C
Number of Elements 1
Number of Bits per Element 8
Mounting Type Surface Mount
Logic Type Shift Register
Function Serial to Parallel, Serial
Base Product Number 74HCT594

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

74HCT594T16-13 Image
74HCT594T16-13 (1)

Manufacturer Part Number

74HCT594T16-13

Manufacturer

diodes

Introduction

The 74HCT594T16-13 is an 8-bit serial-in, serial/parallel-out shift register with output latches. It features a high-impedance three-state output and is capable of driving TTL or CMOS loads. This device is suitable for applications that require data storage and parallel output.

Product Features and Performance

8-bit serial-in, serial/parallel-out shift register

Three-state output buffers

Suitable for driving TTL or CMOS loads

High-speed operation up to 50 MHz

Low power consumption

Robust ESD protection

Product Advantages

Versatile functionality for data storage and parallel output

High-speed and low-power operation

Robust ESD protection for reliable performance

Compatibility with TTL and CMOS logic families

Key Reasons to Choose This Product

Reliable and efficient data storage and parallel output

Ideal for a wide range of applications, including digital control systems, instrumentation, and industrial automation

Cost-effective solution with high-performance features

Backed by diodes' reputation for quality and innovation

Quality and Safety Features

Manufactured in accordance with industry standards

Reliable performance ensured through rigorous testing and quality control

Compliance with safety regulations for industrial and commercial use

Compatibility

The 74HCT594T16-13 is compatible with various TTL and CMOS logic families, making it suitable for integration into a wide range of electronic systems.

Application Areas

Digital control systems

Instrumentation and measurement equipment

Industrial automation and control

Computer peripherals and interfaces

Data acquisition and processing

Product Lifecycle

The 74HCT594T16-13 is an active product, and diodes continues to manufacture and support this device. There are no immediate plans for discontinuation. If you require information about equivalent or alternative models, please contact our website's sales team for the most up-to-date product information.

Frequently Asked Questions(FAQ)

How does the 74HCT594T16-13 compare to the standard 74HC594 in terms of input compatibility and supply voltage requirements for mixed-logic system integration?
The 74HCT594T16-13 offers improved input threshold matching with TTL logic levels, making it more suitable for interfacing directly with 3.3V or 5V TTL microcontrollers without level-shifting circuitry. While both devices operate over a similar supply range of 4.5V to 5.5V, the HCT variant features CMOS output stages compatible with TTL inputs, whereas the HC version requires higher input voltages relative to VCC. This makes the 74HCT594T16-13 preferable in systems where legacy TTL signals must coexist with modern CMOS logic.
What are the key timing considerations when cascading two 74HCT594T16-13 shift registers for extended serial-to-parallel conversion beyond 8 bits?
When cascading multiple 74HCT594T16-13 units, the propagation delay through each stage—typically around 10–15 ns at 5V and 25°C—must be accounted for in the clock setup and hold times. The total delay increases linearly with the number of bits, potentially limiting maximum clock frequency. For reliable operation above 10 MHz, careful PCB layout and controlled trace lengths are necessary to minimize skew between clock and data paths across cascaded devices.
Can the 74HCT594T16-13 drive LED arrays directly without external buffers, and what current limitations should be considered?
The 74HCT594T16-13 has push-pull outputs capable of sourcing and sinking up to ±8 mA per pin under typical conditions at 5V, which may suffice for low-brightness LEDs or indicator lamps. However, driving high-current LED strings (e.g., >20 mA per segment) typically requires external transistors or dedicated LED drivers. Using the shift register in such applications risks exceeding absolute maximum ratings and degrades reliability; thus, discrete buffer stages are strongly recommended for robust designs.
What is the impact of operating temperature on output drive strength in the 74HCT594T16-13, particularly near the upper limit of 150°C?
At elevated temperatures approaching 150°C, the transconductance of the output MOSFETs decreases slightly, resulting in reduced high-to-low and low-to-high transition speeds. While the device remains functional within specifications, switching margins may tighten, increasing susceptibility to noise during fast transitions. Designers should verify worst-case timing budgets in thermal environments near this limit and consider derating output loads accordingly.
How does the Moisture Sensitivity Level (MSL) rating of 1 for the 74HCT594T16-13 influence storage and handling procedures in high-volume manufacturing?
With an MSL rating of 1 (unlimited floor life), the 74HCT594T16-13 can be stored indefinitely at room temperature without requiring dry packaging before reflow soldering. This simplifies inventory management and reduces packaging costs in production environments. However, once removed from its original moisture-protective packaging, it should be assembled into PCBs within 1,000 hours if exposed to ambient humidity above 60% RH to prevent potential popcorning during reflow.
In what scenarios would the 74HCT594T16-13 be preferred over a parallel-load shift register like the 74HCT165 for data acquisition applications?
The 74HCT594T16-13 excels in applications requiring serial input and parallel output, such as LED matrix control or bus expansion, where minimizing pin count is critical. In contrast, the 74HCT165 captures parallel data serially—ideal for reading multi-bit sensors. Thus, the choice depends on directionality: use the 74HCT594T16-13 when pushing data out serially and needing immediate parallel access, not when sampling wide digital inputs.
What precautions should be taken regarding unused input pins on the 74HCT594T16-13 to ensure stable operation and prevent latch-up?
Unused data (DS), clock (CP), and master reset (MR) inputs on the 74HCT594T16-13 must be tied to a defined logic level—either VCC via a pull-up resistor (~10 kΩ) or ground via a pull-down—to avoid floating states that cause unpredictable shifting or excessive power draw. Leaving these inputs open can lead to oscillations or false triggering due to capacitive coupling, especially in noisy environments.
How does the 74HCT594T16-13 perform in automotive-grade temperature environments, and does its RoHS3 compliance support compliance with industry regulations?
Operating up to 150°C, the 74HCT594T16-13 meets industrial and some automotive cold-start requirements, though full AEC-Q100 qualification would require additional validation. Its RoHS3 compliance ensures adherence to EU directives restricting hazardous substances, including stricter cadmium limits, making it suitable for global markets including Europe and North America without additional chemical testing burdens.
What is the significance of the base product number 74HCT594 in relation to pin compatibility and package variations like TSSOP versus SOIC?
The base number 74HCT594 defines the core functionality across package variants, ensuring consistent electrical behavior regardless of footprint. The 74HCT594T16-13 uses a 16-TSSOP package, offering better thermal dissipation and lower profile than wider SOIC counterparts. Pinout remains identical across packages, enabling drop-in replacements in space-constrained designs while maintaining signal integrity through optimized lead spacing.
Can the 74HCT594T16-13 be used in battery-powered systems with 5V rails, and how does quiescent current affect overall system efficiency?
Yes, the 74HCT594T16-13 operates efficiently from 4.5V to 5.5V, making it suitable for battery-powered systems using regulated 5V supplies. Typical quiescent current is under 1 µA at 5V and 25°C, contributing minimally to standby power consumption. However, dynamic current during clocking (due to capacitive load switching) scales with output activity and load capacitance—designers should estimate average current based on toggle rate and fan-out to assess battery life impact accurately.
What role does the master reset (MR) input play in initializing the 74HCT594T16-13, and how active-low implementation affects fault recovery?
The active-low MR input asynchronously clears all flip-flops in the 74HCT594T16-13, forcing outputs to zero regardless of clock state. This is useful for system initialization or emergency shutdowns. Because it’s asynchronous, asserting MR ensures deterministic startup behavior even if the clock is unstable. However, rapid cycling of MR near clock edges may cause race conditions, so proper debouncing or sequencing is advised in safety-critical systems.
How does output enable (OE) functionality differ from traditional tri-state buffers, and what implications exist for shared bus architectures?
Unlike tri-state buffers that disable outputs to high-Z state, the OE input on the 74HCT594T16-13 actively pulls outputs low when disabled (assuming OE is active-low). This prevents undefined bus contention but means that disabled outputs cannot float. In multi-device buses, this design avoids need for pull-up resistors but requires coordination so only one device drives the bus at a time—otherwise, multiple low-drive sources create short circuits unless series resistance is added.

Parts with Similar Specifications

The three parts on the right have similar specifications to Diodes Incorporated 74HCT594T16-13

Product Attribute 74HCT594S16-13 74HCT594D-Q100,118 74HCT594DB,118 74HCT594D,118
Part Number 74HCT594S16-13 74HCT594D-Q100,118 74HCT594DB,118 74HCT594D,118
Manufacturer Diodes Incorporated Nexperia USA Inc. Nexperia USA Inc. Nexperia USA Inc.
Base Product Number - DAC34H84 MAX500 ADS62P42
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Number of Bits per Element - - - -
Function - - - -
Logic Type - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Number of Elements - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage - Supply - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

74HCT594T16-13 Datasheet PDF

Download 74HCT594T16-13 pdf datasheets and Diodes Incorporated documentation for 74HCT594T16-13 - Diodes Incorporated.

Datasheets
74HCT594.pdf
Environmental Information
Diodes Environmental Compliance Cert.pdf

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Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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74HCT594T16-13 Image

74HCT594T16-13

Diodes Incorporated
32D-74HCT594T16-13

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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