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Home > Products > Integrated Circuits (ICs) > Logic > Buffers, Drivers, Receivers, Transceivers

Texas Instruments SN74LVT16244BDL

Name: SN74LVT16244BDL
Brand: Texas Instruments
SKU: SN74LVT16244BDL
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SN74LVT16244BDL

Manufacturer:: Texas Instruments

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: 48-BSSOP (0.295", 7.50mm Width)

Datasheet:: SN74LVT16244BDL.pdf

Description:: IC BUF NON-INVERT 3.6V 48SSOP

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Product details

Overview

SN74LVT16244BDL from Texas Instruments is a 3.3-V ABT 16-bit noninverting buffer/driver with 3-state outputs, designed for mixed-mode signal operation (5-V inputs/outputs with 3.3-V V_CC), supporting hot insertion and battery operation down to 2.7 V. It delivers ±64 mA output drive per channel, features I_off protection, and is used in backplane interface, memory address buffering, and bus isolation in industrial control systems.

For engineers reviewing the SN74LVT16244BDL datasheet, SN74LVT16244BDL pinout, SN74LVT16244BDL application, or SN74LVT16244BDL equivalent, key selection criteria include 3.3-V supply compatibility, 5-V tolerant inputs, 48-pin SSOP (DL) package constraints, and true-output 3-state enable logic with independent OE controls per 4-bit group.

Technical Context

The SN74LVT16244BDL implements four independent 4-bit noninverting buffers, each with active-low 3-state output-enable (OE) inputs (1OE–4OE). Its Advanced BiCMOS Technology (ABT) enables TTL-level interfacing while operating at 3.3 V, with guaranteed 5-V input tolerance and output voltage swing up to V_CC + 0.5 V.

It supports hot insertion via I_off circuitry that disables outputs when V_CC = 0, and power-up 3-state behavior ensures high-impedance outputs during power ramping. The device remains functional across V_CC = 2.7–3.6 V and operates from –40°C to +85°C.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Supply Range	2.7 V to 3.6 V - Enables stable operation under unregulated battery or low-noise LDO supplies.
I_OL / I_OH	64 mA / –32 mA - Supports direct driving of heavy capacitive loads (e.g., >50 pF buses) without external buffers.
V_IL / V_IH	0.8 V / 2.0 V - Ensures reliable TTL-level input recognition even with noise margins in noisy industrial environments.
t_PLH/t_PHL	2.3 ns / 2.0 ns @ V_CC = 3.3 V - Enables high-speed data transfer on 100+ MHz address/data buses.
Input/Output Voltage Tolerance	–0.5 V to 7 V - Allows safe interfacing with legacy 5-V logic families without level shifters.
Power-Up 3-State	Active below 1.5 V V_CC - Prevents bus contention during system power sequencing.
I_off	±100 µA @ V_CC = 0 - Blocks damaging backflow current during hot-plug events in modular backplanes.

Pinout & Package

SN74LVT16244BDL uses a 48-pin SSOP (DL) package (JEDEC MO-153), 12.6 mm × 6.2 mm × 1.95 mm, with 0.5-mm pitch and exposed pad not present. Pin 1 is marked by a beveled corner.

Pin/Terminal	Circuit Role	Design Meaning
1A1–1A4, 2A1–2A4, 3A1–3A4, 4A1–4A4	Data Inputs (16 total)	True-input terminals accepting 5-V-tolerant signals; grouped into four 4-bit channels.
1Y1–1Y4, 2Y1–2Y4, 3Y1–3Y4, 4Y1–4Y4	Noninverting Outputs (16 total)	3-state outputs with symmetrical drive strength; each group controlled by dedicated OE.
1OE–4OE	Active-Low Output Enables	Independent per 4-bit group; tied high via pullup for default disable; low enables corresponding Y outputs.
V_CC (Pins 7, 18, 31, 42)	Supply Voltage	Four distributed V_CC pins reduce IR drop and improve noise immunity on wide buses.
GND (Pins 4, 11, 22, 29, 36, 45)	Ground Reference	Six GND pins provide low-inductance return paths for all 16 drivers, minimizing ground bounce (V_OLP < 0.8 V).

Key Features

Feature	Design Value
Mixed-mode 5-V/3.3-V interface	Inputs accept 0–5.5 V; outputs swing 0 to V_CC + 0.5 V - eliminates need for external level translators in hybrid voltage systems.
Hot-insertion support	I_off and power-up 3-state ensure zero-current backflow and no bus conflict during live card replacement in telecom or server backplanes.
Low ground bounce	V_OLP < 0.8 V @ V_CC = 3.3 V - maintains signal integrity on shared ground planes with multiple drivers switching simultaneously.
Wide V_CC operating range	2.7–3.6 V - supports direct connection to Li-ion batteries or buck converters without regulation overhead.
Latch-up immunity	Exceeds 100 mA per JESD 78 Class II - ensures robustness against transient overvoltage events in industrial settings.

Applications

Backplane Bus Isolation	Memory Address Buffering
Use Scenario: Isolating CPU address/data lines from peripheral expansion slots in modular industrial controllers. IC Role / Device Role / Timing Role: 16-bit noninverting buffer with per-group 3-state control enables dynamic slot arbitration and prevents bus contention. Use Value: Independent OE pins (1OE–4OE) allow selective activation of memory-mapped peripherals without software overhead or timing penalties.	Use Scenario: Driving high-capacitance SRAM or Flash address buses in embedded instrumentation with tight timing budgets. IC Role / Device Role / Timing Role: Low-propagation-delay (2.0–2.3 ns) driver delivering clean edges to 50-pF loads at 100+ MHz clock rates. Use Value: ±64 mA drive strength ensures full-swing transitions across long PCB traces, reducing setup/hold margin loss.
Hot-Swappable Module Interface	Legacy System Voltage Translation
Use Scenario: Enabling safe insertion/removal of field I/O modules in programmable logic controllers (PLCs) powered from a common 3.3-V rail. IC Role / Device Role / Timing Role: I_off protection and power-up 3-state prevent current injection into powered-down modules during mating. Use Value: Eliminates need for mechanical interlocks or sequenced power supplies-reduces BOM cost and improves serviceability.	Use Scenario: Interfacing modern 3.3-V FPGAs to legacy 5-V sensor interfaces or display controllers in medical devices. IC Role / Device Role / Timing Role: 5-V-tolerant inputs accept TTL logic levels directly; outputs drive 3.3-V loads without external resistors. Use Value: Reduces component count versus discrete resistor-divider or MOSFET-based level shifters, improving board density and reliability.

Backplane Bus Isolation

Memory Address Buffering

Use Scenario: Isolating CPU address/data lines from peripheral expansion slots in modular industrial controllers.

IC Role / Device Role / Timing Role: 16-bit noninverting buffer with per-group 3-state control enables dynamic slot arbitration and prevents bus contention.

Use Value: Independent OE pins (1OE–4OE) allow selective activation of memory-mapped peripherals without software overhead or timing penalties.

Use Scenario: Driving high-capacitance SRAM or Flash address buses in embedded instrumentation with tight timing budgets.

IC Role / Device Role / Timing Role: Low-propagation-delay (2.0–2.3 ns) driver delivering clean edges to 50-pF loads at 100+ MHz clock rates.

Use Value: ±64 mA drive strength ensures full-swing transitions across long PCB traces, reducing setup/hold margin loss.

Hot-Swappable Module Interface

Legacy System Voltage Translation

Use Scenario: Enabling safe insertion/removal of field I/O modules in programmable logic controllers (PLCs) powered from a common 3.3-V rail.

IC Role / Device Role / Timing Role: I_off protection and power-up 3-state prevent current injection into powered-down modules during mating.

Use Value: Eliminates need for mechanical interlocks or sequenced power supplies-reduces BOM cost and improves serviceability.

Use Scenario: Interfacing modern 3.3-V FPGAs to legacy 5-V sensor interfaces or display controllers in medical devices.

IC Role / Device Role / Timing Role: 5-V-tolerant inputs accept TTL logic levels directly; outputs drive 3.3-V loads without external resistors.

Use Value: Reduces component count versus discrete resistor-divider or MOSFET-based level shifters, improving board density and reliability.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit buffer/driver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LVC16244ADGGR	Lower drive (±24 mA), 1.65–3.6 V V_CC, no 5-V input tolerance	Suitable only for pure 3.3-V or lower-voltage systems; cannot replace SN74LVT16244BDL in mixed-voltage designs.	Select only if system uses uniform 3.3-V signaling and requires lower power consumption.
74ALVC16244PW	Same 16-bit 3-state architecture but 1.65–3.6 V range; 5-V tolerant inputs require external clamping diodes	Lacks native 5-V input support - adds design complexity and reduces noise margin vs. SN74LVT16244BDL.	Choose only when footprint compatibility with TSSOP-48 is required and 5-V interface is absent.

Compared with SN74LVC16244ADGGR and 74ALVC16244PW, the SN74LVT16244BDL uniquely combines 5-V input tolerance, ±64 mA drive, and hot-insertion capability in a single 48-pin SSOP package - making it irreplaceable in mixed-voltage backplane and industrial control applications where signal integrity and plug-and-play reliability are critical.

Availability

SN74LVT16244BDL is available at Aetrix Electronics and suitable for industrial automation, telecommunications infrastructure, and embedded test equipment requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.

Supply support for SN74LVT16244BDL 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

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and logic solutions, with decades of expertise in high-reliability interface ICs for industrial and communications markets.

The SN74LVT16244BDL belongs to TI's Widebus™ family of advanced ABT logic devices, engineered specifically for high-speed, mixed-voltage bus interfacing in mission-critical systems where signal fidelity and hot-swap resilience are mandatory.

FAQ

What is the maximum output current rating for SN74LVT16244BDL?

The SN74LVT16244BDL provides a guaranteed low-level output current (I_OL) of 64 mA per channel at V_CC = 3.3 V and TA = 25°C. This allows direct driving of high-capacitance buses or multiple TTL inputs without external amplification. The SN74LVT16244BDL also supports ±100 µA I_off protection when powered down.

Does SN74LVT16244BDL support 5-V input signals while operating at 3.3 V V_CC?

Yes, the SN74LVT16244BDL explicitly supports 5-V-tolerant inputs across its full recommended operating range (V_CC = 2.7–3.6 V). Input voltage can reach up to 5.5 V without damage or functional degradation, enabling seamless interfacing with legacy 5-V logic families without external level-shifting circuitry.

What package type and dimensions does SN74LVT16244BDL use?

The SN74LVT16244BDL uses a 48-pin SSOP (DL) package per JEDEC MO-153, measuring 12.6 mm × 6.2 mm × 1.95 mm with 0.5-mm lead pitch. Pin 1 is identified by a beveled corner, and the package contains six GND and four V_CC pins for optimal power distribution and noise suppression.

How does SN74LVT16244BDL handle power-up and power-down sequencing?

The SN74LVT16244BDL features built-in power-up 3-state logic that forces all outputs into high-impedance mode when V_CC is below 1.5 V, preventing bus conflicts during ramp-up or ramp-down. Additionally, its I_off circuitry disables outputs when V_CC = 0, blocking harmful backflow current during hot insertion - a core requirement for SN74LVT16244BDL in modular systems.

Can SN74LVT16244BDL be used in automotive applications?

The SN74LVT16244BDL is rated for –40°C to +85°C operation and meets JESD 78 Class II latch-up and JESD 22 ESD standards, but it is not AEC-Q100 qualified. For automotive applications requiring qualification, TI offers automotive-grade variants such as SN74LVT16244BQDR, which undergoes extended temperature and reliability testing. The SN74LVT16244BDL is intended for industrial and telecom use.

SN74LVT16244BDL Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: 74LVT

Package/Case:: 48-BSSOP (0.295", 7.50mm Width)

Packaging:: Bulk

Product Status:: Active

Logic Type:: Buffer, Non-Inverting

Number of Elements:: 4

Number of Bits per Element:: 4

Input Type:: -

Output Type:: 3-State

Current - Output High, Low:: 32mA, 64mA

Voltage - Supply:: 2.7V ~ 3.6V

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 48-SSOP

SN74LVT16244BDL FAQ

1.How can I place an order for SN74LVT16244BDL through Aetrix?

Please submit a Request for Quotation (RFQ) for SN74LVT16244BDL 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 SN74LVT16244BDL reliable?

The price and inventory of SN74LVT16244BDL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74LVT16244BDL is usually 5 days.

3.What payment methods are accepted for SN74LVT16244BDL?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74LVT16244BDL transactions.

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4.How is shipping managed for SN74LVT16244BDL?

SN74LVT16244BDL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SN74LVT16244BDL 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 SN74LVT16244BDL?

For technical support, including SN74LVT16244BDL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74LVT16244BDL requirements.

6.How does Aetrix verify that SN74LVT16244BDL is sourced from the original manufacturer or authorized distributors?

All SN74LVT16244BDL 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 SN74LVT16244BDL meets industry standards.

7.What is the process for return or replacement of SN74LVT16244BDL?

All SN74LVT16244BDL units undergo pre-shipment inspection (PSI). If there is an issue with SN74LVT16244BDL, 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 SN74LVT16244BDL part is unused and in its original packaging.

Return procedure for SN74LVT16244BDL:

1.Submit a request within 90 days.

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

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