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HomeProductsIntegrated Circuits (ICs)Logic - Buffers, Drivers, Receivers, Transceivers74ACT16245DGGR
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74ACT16245DGGR - Texas Instruments

Manufacturer Part Number
74ACT16245DGGR
Manufacturer
Texas Instruments
Allelco Part Number
32D-74ACT16245DGGR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
23,367 pcs available, New & Original
Parts Description
IC TXRX NON-INVERT 5.5V 48TSSOP
Package
48-TSSOP
Data sheet
74ACT16245DGGR.pdf

PCN Design/Specification

Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 23367
  • Unit Price: $0.959
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.959 $0.96
10+ $0.939 $9.39
30+ $0.924 $27.72
100+ $0.91 $91.00
102+ $0.863 $88.03
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

74ACT16245DGGR Tech Specifications
Texas Instruments - 74ACT16245DGGR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - 74ACT16245DGGR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply 4.5V ~ 5.5V
Supplier Device Package 48-TSSOP
Series 74ACT
Package / Case 48-TFSOP (0.240', 6.10mm Width)
Package Tape & Reel (TR)
Output Type 3-State
Operating Temperature -40°C ~ 85°C (TA)
Product Attribute Attribute Value
Number of Elements 2
Number of Bits per Element 8
Mounting Type Surface Mount
Logic Type Transceiver, Non-Inverting
Input Type -
Current - Output High, Low 24mA, 24mA
Base Product Number 74ACT16245

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

74ACT16245DGGR Image
74ACT16245DGGR (1)

Manufacturer Part Number

74ACT16245DGGR

Manufacturer

Texas Instruments

Introduction

High-speed CMOS transceiver offering bidirectional communication between two buses

Product Features and Performance

Supports bidirectional data flow

Logic Type: Transceiver, Non-Inverting

Number of Elements: 2

Number of Bits per Element: 8

Output Type: 3-State, enabling bidirectional communication

Operates from 4.5V to 5.5V

Product Advantages

Enhanced high-speed data transfer

Low power consumption

Designed for minimal propagation delay

Key Technical Parameters

Voltage - Supply: 4.5V ~ 5.5V

Current - Output High, Low: 24mA

Operating Temperature Range: -40°C ~ 85°C

Mounting Type: Surface Mount

48-TFSOP Package, providing a compact footprint

Quality and Safety Features

Built to adhere to stringent quality standards

Suitable for industrial temperature ranges

Reliable performance in harsh conditions

Compatibility

Compatible with TTL logic levels

Multiple bus management

Application Areas

Telecommunications

Data processing

Consumer electronics

Control systems

Product Lifecycle

Product Status: Active

Not near discontinuation

Replacements and upgrades available

Several Key Reasons to Choose This Product

Robust supply voltage range catering to typical logic level requirements

Optimized for low-power operation and high-speed performance

Flexible usage across a wide range of applications due to 3-State outputs

Proven reliability given Texas Instruments' reputation in the industry

Available in Tape & Reel for automated assembly processes

Frequently Asked Questions(FAQ)

What is the maximum allowable supply voltage for the 74ACT16245DGGR transceiver, and how does this impact system-level power budgeting?
The 74ACT16245DGGR supports a supply voltage range of 4.5V to 5.5V, with an absolute maximum rating of 5.5V. Operating near the upper limit increases power dissipation and may accelerate aging in high-temperature environments. For systems requiring tighter thermal margins or extended reliability, maintaining a lower supply voltage within this window can reduce dynamic power consumption according to P = C·V²·f.
How should the 3-state output configuration of the 74ACT16245DGGR be managed when multiple transceivers share a common bus?
When using multiple 74ACT16245DGGR devices on the same bidirectional bus, enable signals must be coordinated to prevent contention. Only one driver should assert its outputs at any time; otherwise, excessive current flow between supplies could occur. Designers typically use address decoding logic or handshaking protocols to manage OE (output enable) pins and ensure mutual exclusion across all active drivers.
What is the typical propagation delay through one element of the 74ACT16245DGGR, and how does it affect synchronous design timing budgets?
The 74ACT16245DGGR exhibits a propagation delay ranging from approximately 3.0ns to 6.0ns depending on load capacitance and supply voltage. In a 16-bit wide transfer scenario involving two elements, total latency accumulates additively unless pipelined. This impacts clock period calculations—for example, transferring data at 100 MHz requires careful margining due to cumulative skew across elements.
Can the 74ACT16245DGGR drive standard CMOS inputs without level shifting, and under what conditions?
Yes, the 74ACT16245DGGR can interface directly with standard 5V CMOS loads without additional translation circuitry because its VOH(min) at 4.5V exceeds typical VIH requirements for most 5V CMOS families. However, if driving older 3.3V logic families from a 5V rail, verify noise margins to avoid false triggering during transient conditions.
How does temperature affect the output current capability of the 74ACT16245DGGR, and what derating considerations apply?
While the datasheet specifies 24mA output current at room temperature, derating applies above 25°C junction temperature. At full operating temperature (85°C), continuous sourcing/sinking currents should not exceed ~18–20mA per pin to maintain safe operating conditions and prevent thermal runaway. This necessitates layout planning for adequate copper area and thermal relief in dense designs.
What distinguishes the 74ACT16245DGGR from similar buffer/transceiver ICs like the 74HC16245?
The 74ACT16245DGGR uses Advanced CMOS Technology (ACT), offering faster switching (~3x speed of standard HC series), better noise immunity, and higher fanout. Unlike the HC version, ACT devices tolerate 5V inputs even at 3.3V supplies, making them suitable for mixed-voltage environments without external translators. However, they consume more static power than LSTTL variants.
Is there any difference in behavior between enabling input vs. output sides of the 74ACT16245DGGR during partial bus operation?
No functional distinction exists between input-side and output-side enables beyond logical control. Both sides independently gate data flow based on their respective OE signals. Misaligning enable timings—such as asserting output enable before input data stabilizes—can cause glitches or invalid states on shared buses. Synchronous enable sequencing improves signal integrity.
How should PCB routing be optimized around the 74ACT16245DGGR to minimize crosstalk and EMI?
Maintain strict length matching (<50 mil tolerance) for differential pairs routed across the 48-TSSOP package. Route high-speed nets perpendicular to adjacent signals with guard traces grounded. Avoid placing decoupling capacitors far from the device; optimal placement is within 2mm of VCC/GND pins. Use solid ground planes beneath the IC to reduce loop inductance and suppress ground bounce.
What are the key differences in pin count and package footprint between the 74ACT16245DGGR and alternative packages like TSSOP-48 vs. SSOP-48?
The 74ACT16245DGGR comes in a 48-pin TSSOP (Thin Shrink Small Outline Package) with 6.10mm width and 0.65mm pitch. While functionally identical to other 48-pin variants, TSSOP offers slightly better thermal performance and solder joint reliability due to thinner body profile compared to wider SSOP packages. Footprint compatibility depends on board real estate and layer stackup.
Can the 74ACT16245DGGR operate reliably in automotive-grade temperature ranges, and what modifications might be needed?
No, the 74ACT16245DGGR is rated only to 85°C ambient, making it unsuitable for full automotive AEC-Q100 qualification. For -40°C to +125°C operation, consider automotive-qualified equivalents such as the SN74LVC16T245DQAR or SN74LVS16245. These offer extended temperature support but may require different supply voltages or ESD protection schemes.
How does the Moisture Sensitivity Level (MSL) classification of the 74ACT16245DGGR influence assembly process controls?
With MSL 1, the 74ACT16245DGGR has unlimited shelf life and requires no special drying prior to reflow. This simplifies handling in high-volume manufacturing but still mandates adherence to standard IPC-J-STD-033 guidelines for storage and handling. Operators should monitor floor-life exposure times post-opening to avoid popcorn effect during soldering.
What is the expected standby current draw of the 74ACT16245DGGR when both OE pins are inactive, and how does this affect low-power system design?
In shutdown mode (both output enables disabled), quiescent current remains below 1µA per device. However, leakage paths through unterminated inputs can elevate total supply current. To minimize power, tie unused input lines to VCC or GND via pull-up/down resistors rather than leaving them floating. This also ensures defined logic states during transitions.
Does the 74ACT16245DGGR support hot-swapping applications, and what precautions are necessary?
Hot-swapping is not recommended without external protection circuits. Insertion of powered boards into live backplanes can induce latch-up or damage due to ESD and voltage transients. Implement series resistors on I/O lines, TVS diodes, and soft-start circuits to limit inrush current. Alternatively, use dedicated hot-swap controllers that regulate power ramp rates.
How does capacitive loading impact signal integrity when driving long traces with the 74ACT16245DGGR?
Each output can sink/source 24mA, which helps drive moderate capacitive loads up to ~10–15pF effectively. Beyond this, rise/fall times increase significantly, degrading edge rates and risking overshoot/undershoot. For loads exceeding 20pF, insert series termination resistors (e.g., 22–33Ω) near the driver to dampen reflections and maintain timing margins.
What role does the base product number 74ACT16245 play in ecosystem compatibility and software tool support?
The base part 74ACT16245 defines the core function across packaging variants (e.g., DGGR vs. DGG). Simulation models, IBIS files, and vendor-specific libraries reference this identifier consistently. Design tools recognize it for footprint mapping, netlist generation, and constraint management, ensuring seamless integration regardless of physical packaging choice.
Are there any known limitations regarding simultaneous switching noise (SSN) when using the 74ACT16245DGGR in high-frequency switching loads?
Yes, simultaneous switching of multiple outputs can generate ground bounce due to package inductance. To mitigate SSN, distribute decoupling capacitance close to each power pin, use low-inductance bypass capacitors (0.1µF ceramic in parallel with 10µF tantalum), and minimize return path discontinuities in PCB layout. Avoid switching large fanouts concurrently to reduce di/dt stress.
How does the cut tape and Digi-Reel packaging format affect inventory management and automated assembly line utilization for the 74ACT16245DGGR?
Cut tape (CT) provides pre-cut segments ideal for small-batch prototyping or low-volume production, reducing manual handling errors. Digi-Reel® enables automated pick-and-place feeding with standardized tape pitch, improving throughput in high-mix environments. Both formats comply with JEDEC standards, ensuring compatibility with most SMT lines without reconfiguration.
What testing methodology ensures functional validation of the 74ACT16245DGGR in a real-world bidirectional bus environment?
Validate using boundary-scan (JTAG) tests for interconnect continuity, followed by dynamic stimulus-response analysis: toggle inputs while monitoring outputs with an oscilloscope to confirm correct directionality and timing. Include worst-case scenarios—maximum capacitive load, minimum supply voltage, and simultaneous multi-element transfers—to verify robustness under stressed conditions.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments 74ACT16245DGGR

Product Attribute 74ACT16245DGGRG4 74ACT16245DGGRE4 74ACT16245DLG4 74ACT16245DLRG4
Part Number 74ACT16245DGGRG4 74ACT16245DGGRE4 74ACT16245DLG4 74ACT16245DLRG4
Manufacturer Luminary Micro / Texas Instruments Luminary Micro / Texas Instruments Texas Instruments Texas Instruments
Series - - - -
Logic Type - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Mounting Type - Surface Mount Through Hole Surface Mount
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Number of Bits per Element - - - -
Current - Output High, Low - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Output Type - Current - Unbuffered Voltage - Buffered -
Input Type - - - Differential
Voltage - Supply - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Number of Elements - - - -

74ACT16245DGGR Datasheet PDF

Download 74ACT16245DGGR pdf datasheets and Texas Instruments documentation for 74ACT16245DGGR - Texas Instruments.

PCN Design/Specification
Cylindrical Battery Holders.pdf
HTML Datasheet
SN54ACT16245, 74ACT16245.pdf
PCN Packaging
TSSOP Carrier Tape Chg 1/Sep/2016.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

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74ACT16245DGGR Image

74ACT16245DGGR

Texas Instruments
32D-74ACT16245DGGR

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

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