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HomeProductsIntegrated Circuits (ICs)Logic - Universal Bus FunctionsSN74ABT16601DL
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SN74ABT16601DL - Texas Instruments

Manufacturer Part Number
SN74ABT16601DL
Manufacturer
Texas Instruments
Allelco Part Number
98D-SN74ABT16601DL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
49,759 pcs available, New & Original
Parts Description
IC UNIV BUS TXRX 18BIT 56SSOP
Package
56-SSOP
Data sheet
SN74ABT16601DL.pdf
RoHs Status
ROHS3 Compliant
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In stock: 49759
  • Unit Price: $7.683
  • Subtotal: $0.00

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The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

SN74ABT16601DL Tech Specifications
Texas Instruments - SN74ABT16601DL technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74ABT16601DL

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply 4.5V ~ 5.5V
Supplier Device Package 56-SSOP
Series 74ABT
Package / Case 56-BSSOP (0.295", 7.50mm Width)
Package Tube
Product Attribute Attribute Value
Operating Temperature -40°C ~ 85°C
Number of Circuits 18-Bit
Mounting Type Surface Mount
Logic Type Universal Bus Transceiver
Current - Output High, Low 32mA, 64mA
Base Product Number 74ABT16601

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

Frequently Asked Questions(FAQ)

What are the key differences between the SN74ABT16601DL and a standard 74HC series bus transceiver in terms of drive strength and voltage compatibility?
The SN74ABT16601DL offers significantly higher output current capabilities—32mA high-side and 64mA low-side—compared to typical 74HC devices, which usually provide around 8–16mA. This makes it better suited for driving longer traces or capacitive loads without buffering. Additionally, while 74HC operates at 2V to 5.5V, the ABT series maintains full functionality from 4.5V to 5.5V, ensuring reliable operation in 5V-only systems where noise margins are tighter.
Can the SN74ABT16601DL be used in a mixed-voltage environment where one side runs at 3.3V and the other at 5V?
Yes, but only if the 3.3V side is configured as the receiver (input) and the 5V side as the driver (output). The device supports 5V-tolerant inputs on all pins, meaning it can safely accept 3.3V logic levels even when powered at 4.5V–5.5V. However, outputs driven from the 5V side will swing fully to near-supply and ground, so level-shifting isn’t required for downstream 3.3V devices as long as their input thresholds are compatible with the ABT’s output levels.
How does the propagation delay of the SN74ABT16601DL compare across different supply voltages, and what impact might this have on system timing?
At 5V supply, the typical propagation delay is approximately 4.5 ns; at 4.5V, it increases slightly to around 5.2 ns. While this variation is small, it can accumulate in multi-stage designs with multiple transceivers. For synchronous systems with tight clock margins—especially those operating near maximum frequency—this delay difference may necessitate careful layout or timing budgeting when cascading multiple SN74ABT16601DL devices.
Is the SN74ABT16601DL suitable for hot-swapping applications or environments with frequent power cycling?
The SN74ABT16601DL lacks built-in protection against overvoltage, undervoltage lockout, or ESD beyond standard handling practices. While it includes Schmitt-trigger inputs that help with noise immunity during power-up transitions, it is not rated for true hot-swap insertion. In such cases, external protection like TVS diodes or dedicated hot-swap controllers should be added alongside the transceiver.
What precautions should be taken when using the SN74ABT16601DL in a high-noise industrial environment?
Given its Schmitt-trigger inputs, the SN74ABT16601DL provides good noise immunity against slow-rising edges. However, high-frequency EMI could still couple into long PCB traces connected to the bus lines. Implementing proper termination (e.g., series resistors or pull-ups/downs), minimizing stub lengths, and placing decoupling capacitors within 1 cm of the VCC and GND pins are essential. Also consider adding RC filters at input pins if switching noise exceeds 200 mVpp.
How many bits can the SN74ABT16601DL support simultaneously in bidirectional communication without requiring additional buffering?
Each channel operates independently as a unidirectional buffer, but since it's an 18-bit universal bus transceiver, all 18 bits can function bidirectionally under control of separate direction signals (DIR_A and DIR_B). There’s no bandwidth sharing or arbitration overhead—each pin pair handles its own flow. So yes, full 18-bit bidirectional communication is supported in parallel with deterministic latency per bit.
Does the SN74ABT16601DL require external pull-up or pull-down resistors for idle lines?
No external pull resistors are needed because the device features tri-state outputs with internal high-impedance states controlled by OE (output enable). When disabled, outputs float safely without contention. However, if the application requires defined default logic levels during reset or initialization, external resistors may still be used—but they’re optional due to the robust tri-state design.
What is the thermal performance implication of running the SN74ABT16601DL at full load in a compact PCB layout?
At maximum continuous output current (e.g., 64 mA per low-side driver × 9 active channels = ~3.6 W dissipated), junction temperature rise depends heavily on copper area and airflow. In a 56-pin SSOP package with minimal thermal relief, expect ΔT > 40°C above ambient under worst-case conditions. Adequate ground plane exposure and thermal vias to inner layers are recommended for sustained high-load operation.
How does the Moisture Sensitivity Level (MSL) rating of MSL 1 affect storage and handling of the SN74ABT16601DL?
MSL 1 means the SN74ABT16601DL is not sensitive to moisture and can be stored indefinitely at room temperature without baking prior to reflow. This simplifies inventory management and reduces production downtime compared to higher MSL parts requiring dry packaging or desiccant storage.
Can the SN74ABT16601DL replace a dual 74ABT16245 in a legacy system redesign?
Yes, provided the pin count and package allow. The SN74ABT16601DL integrates two banks of nine 18-bit transceivers in a single 56-pin SSOP, whereas the 16245 comes in 20-pin packages. If space permits, consolidating two 16245s into one SN74ABT16601DL reduces board real estate and BOM count, though routing complexity may increase slightly due to shared power/ground nets.
Are there any known limitations when using the SN74ABT16601DL with FPGAs that have weak output drivers?
Not inherently, thanks to the high-input impedance CMOS structure and Schmitt triggers. However, extremely weak FPGA outputs (e.g., <1 mA) may struggle to charge parasitic capacitance on long traces before the next clock edge. Adding a small series resistor (22–100 Ω) near the FPGA output often improves signal integrity by damping ringing and reducing slew rate stress.
What testing methodology ensures reliable operation of circuits using the SN74ABT16601DL before deployment?
Functional validation should include toggling all 18 bits through both directions under worst-case conditions: minimum voltage (4.5V), maximum temperature (85°C), and fastest expected clock rate. Measure skew between complementary signals, verify tri-state behavior under simultaneous enable/disable transitions, and inject simulated EMI bursts to confirm noise rejection via oscilloscope captures. Boundary scan or automated test vectors accelerate coverage.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN74ABT16601DL

Product Attribute SN74ABT16601DLR SN74ABT16601DGGR SN74ABT16600DLR SN74ABT16600DLRG4
Part Number SN74ABT16601DLR SN74ABT16601DGGR SN74ABT16600DLR SN74ABT16600DLRG4
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Number of Circuits - - - -
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Supply - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Logic Type - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Base Product Number - DAC34H84 MAX500 ADS62P42
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Current - Output High, Low - - - -

SN74ABT16601DL Datasheet PDF

Download SN74ABT16601DL pdf datasheets and Texas Instruments documentation for SN74ABT16601DL - Texas Instruments.

HTML Datasheet
SN54ABT16601, SN74ABT16601.pdf

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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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1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
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The above table is for reference only. There may have some data bias for the uncontrollable factors.
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SN74ABT16601DL Image

SN74ABT16601DL

Texas Instruments
98D-SN74ABT16601DL

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

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