SN74ABT16640DL Tech Specifications
Texas Instruments - SN74ABT16640DL technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74ABT16640DL

Product Attribute	Attribute Value
Part Number	SN74ABT16640DL
Package	SN74ABT16640DL
Description	SN74ABT16640DL
Stock Condition	Get 12300 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Parts Introduction

Manufacturer Part Number

SN74ABT16640DL

Manufacturer

Texas Instruments

Introduction

The SN74ABT16640DL is a high-performance 8-bit bidirectional bus transceiver designed for applications requiring high drive capability, high speed, and low power consumption. It features independent direction control for each 8-bit bus, allowing data flow in both directions simultaneously.

Product Features and Performance

8-bit bidirectional bus transceiver

Independent direction control for each 8-bit bus

Allows simultaneous data flow in both directions

High drive capability of 32mA (output high) and 64mA (output low)

High-speed operation with propagation delays as low as 5ns

Low power consumption with 4.5V to 5.5V supply voltage

Operating temperature range of -40°C to 85°C

Product Advantages

Enables efficient and high-speed data communication in both directions

Supports high-current applications with its robust output drive capability

Low power operation for energy-efficient system designs

Wide temperature range for use in diverse environmental conditions

Key Reasons to Choose This Product

Versatile 8-bit bus transceiver with independent direction control

Excellent performance in terms of speed, drive capability, and power efficiency

Reliable operation across a wide temperature range

Trusted Texas Instruments quality and support

Quality and Safety Features

Designed and manufactured to Texas Instruments' high-quality standards

Robust and reliable performance to ensure long-term system reliability

Compliance with industry standards for safety and environmental regulations

Compatibility

The SN74ABT16640DL is compatible with a wide range of digital systems and can be used in various applications, including:

Computer and peripheral interfaces

Industrial control systems

Telecommunication equipment

Automotive electronics

Application Areas

High-speed data communication

Bidirectional data bus interfaces

Industrial automation and control

Telecommunication and networking equipment

Automotive electronics

Product Lifecycle

The SN74ABT16640DL is an active product, and Texas Instruments continues to manufacture and support it. There are no known equivalent or alternative models available at this time. If you have any further questions or require additional information, please contact our sales team through our website.

Frequently Asked Questions(FAQ)

How does the SN74ABT16640DL compare to other 5.5V transceivers in terms of drive capability and power consumption during high-speed data switching?: The SN74ABT16640DL delivers a peak output current of 64mA for low logic states and 32mA for high logic states, enabling robust signal integrity on long PCB traces or when driving multiple loads. This bidirectional 8-bit transceiver supports ABT (Advanced Bus Technology) logic levels compatible with both LVTTL and LVCMOS standards, allowing seamless interfacing across mixed-voltage systems. While its active power dissipation increases linearly with switching frequency and capacitive load, the device maintains stable operation within its specified 4.5V to 5.5V supply range. In typical 3.3V system environments, the SN74ABT16640DL achieves lower static power compared to older generation devices due to reduced input leakage currents, making it suitable for applications where thermal budget and EMI are critical.

What considerations should be evaluated when cascading the SN74ABT16640DL across clock domains in a multi-board system?: When using the SN74ABT16640DL to bridge clock domains, designers must account for setup and hold margins relative to the slower domain’s clock edge. Since the device includes internal Schmitt-trigger inputs on the A side, signal rise and fall times become less sensitive to noise and skew. However, propagation delays through the transceiver—typically around 4.5 ns at 5V supply and 25°C—must be factored into timing budgets. For reliable operation across -40°C to 85°C, delay variation due to temperature drift should be modeled using worst-case specifications from the datasheet. Additionally, enabling three-state outputs via the OE# pin allows safe bus contention avoidance, which is essential in asynchronous inter-board communication scenarios.

Can the SN74ABT16640DL be used in place of a level-shifting buffer in a mixed-voltage interface between a 5V microcontroller and a 3.3V peripheral?: Yes, the SN74ABT16640DL can function as a bidirectional level translator when configured with proper pull-up resistors on the higher-voltage side (e.g., 5V). The ABT family features back-drive protection, allowing the A-side inputs to tolerate up to 5.5V even if the B-side is unpowered or at 0V. This makes the SN74ABT16640DL suitable for hot-swappable designs. However, unlike dedicated level translators, this device introduces propagation delay (~4–6 ns), which may limit maximum data rates. For high-speed serial protocols exceeding 100 Mbps, a purpose-built solution might offer better performance, but for parallel buses or control signals, the SN74ABT16640DL provides a cost-effective and space-efficient alternative.

How does the Moisture Sensitivity Level (MSL) rating of 1 impact handling and storage procedures for SN74ABT16640DL components?: With an MSL rating of 1, the SN74ABT16640DL is classified as non-hygroscopic and requires no special baking prior to reflow soldering under normal ambient conditions. It can remain exposed indefinitely in standard ESD-protected packaging until assembly, simplifying inventory management and reducing lead time for production batches. This characteristic is particularly advantageous in high-volume manufacturing environments where rapid turnarounds are common. Nevertheless, standard JEDEC-compliant handling protocols should still be followed to prevent electrostatic discharge damage during unpacking and placement.

What are the implications of using the SN74ABT16640DL in a design that exceeds 85°C ambient temperature?: The SN74ABT16640DL is rated for industrial operating temperatures up to 85°C. Exceeding this threshold risks degraded reliability, increased leakage currents, and potential functional failure due to accelerated electromigration in the silicon interconnects. While the device may temporarily operate beyond 85°C, long-term exposure above specification compromises warranty claims and increases failure rate according to Arrhenius models. For applications requiring operation above 85°C, alternative TI devices such as those in the 74ALVT series or automotive-grade variants should be considered instead of repurposing the SN74ABT16640DL.

Is it possible to disable individual elements within the SN74ABT16640DL without affecting others?: No, the SN74ABT16640DL contains two independent 8-bit transceivers, but all elements share a common enable pin (OE#) for output control. Pulling OE# high disables all outputs simultaneously, while pulling it low enables normal operation. There is no per-element or per-transceiver shutdown capability. Therefore, partial deactivation requires external gating logic or multiplexing if selective element disabling is necessary. This limitation affects power management strategies in low-power modes unless additional circuitry is introduced.

How does the propagation delay of the SN74ABT16640DL compare to similar transceivers in the 74LVT family under identical test conditions?: At 5V VCC and 25°C, the SN74ABT16640DL exhibits a typical propagation delay of 4.5 ns, whereas comparable 74LVT devices average around 3.2 ns due to optimized transistor sizing for faster transitions. The difference arises from trade-offs between drive strength, input hysteresis, and power consumption. Although the LVT variant offers lower latency, it lacks full back-drive protection and operates only down to 2.3V supply. Thus, the choice depends on system requirements: the SN74ABT16640DL prioritizes robustness and voltage compatibility over minimal delay, making it preferable in noisy or variable-voltage environments despite slightly higher latency.

What precautions are required when routing PCB traces adjacent to the SN74ABT16640DL to minimize electromagnetic interference?: Given its 64mA sink capability and bidirectional nature, the SN74ABT16640DL can generate significant transient currents during state transitions. To reduce radiated emissions and crosstalk, keep signal lines carrying fast edges routed at least three times the trace width away from the IC’s power and ground planes. Decoupling capacitors (0.1 µF ceramic) should be placed within 5 mm of each VCC pin to suppress high-frequency noise. Additionally, avoid daisy-chaining multiple SN74ABT16640DL units on shared buses without series termination resistors, as reflections from impedance mismatches can distort signal integrity at data rates approaching 100 MHz.

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Customer Reviews

Evaluation: 10 Articles

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.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	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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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

ESD

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ISO 9001: 2015
ISO 13485: 2016
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SN74ABT16640DL

Texas Instruments
41D-SN74ABT16640DL

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SN74ABT16640DL - Texas Instruments

Specifications

Parts Introduction

Manufacturer Part Number

Manufacturer

Introduction

Product Features and Performance

Product Advantages

Key Reasons to Choose This Product

Quality and Safety Features

Compatibility

Application Areas

Product Lifecycle

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

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.

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。

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

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

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

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.

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.

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

Very good. No issue after long time testing.

Write a Review

Shipment

Delivery Time

Delivery Cost

Delivery Method

QC (Quality Warranty)

Payment Support

Packaging

Electrostatic Discharge Protection and Handling

Certifications & Memberships

SN74ABT16640DL

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Please refer to the English Version as our Official Version.