Texas Instruments SN74LVTH244ARGYR

Mfr. Part

SN74LVTH244ARGYR

Manufacturer

Luminary Micro / Texas Instruments. Y-IC is a quality distributor for Texas Instruments and related brands. We deliver genuine parts, fast service, and dependable support so you get the best products and results.

Detailed Description

High-drive, non-inverting 8-bit buffer/line driver with three-state outputs. Operates from 2.7 V to 3.6 V, accepts 5 V tolerant inputs, and integrates bus-hold on inputs to prevent floating signals. Two independent 4-bit sections with separate output-enable control. Compact 20-VQFN with exposed thermal pad for better heat dissipation. RoHS3 compliant.

Key Features

Logic function: Non-inverting buffer/driver, tri-state outputs

Channels: 8 total, organized as 2 elements × 4 bits each

Output enable: Two enables allow independent 4-bit control

Supply voltage range: 2.7 V to 3.6 V (typical 3.3 V systems)

Input compatibility: 5 V tolerant inputs on 3.3 V supply

Input bus-hold: No external pull-up or pull-down resistors needed

Drive strength: Up to 32 mA source and 64 mA sink

Low power: CMOS design with low static current

Temperature range: -40°C to +85°C (TA)

Package: 20-VQFN (3.5 × 4.5 mm) with exposed pad

Mounting: Surface mount, optimized for dense layouts

RoHS: ROHS3 compliant

Key Advantages

Strong drive for heavy bus loads and long traces

Clean signal integrity with non-inverting buffering and bus-hold

Flexible sectioning with dual enables simplifies partial bus control

5 V tolerant inputs ease interfacing with legacy 5 V logic

Small QFN footprint saves PCB area and improves thermal performance

Proven 74LVTH family reliability with wide industry adoption

Packaging

Type: Tape and Reel for automated assembly

Device package: 20-VQFN (RGY), 3.5 mm × 4.5 mm body

Case style: 20-VFQFN with exposed thermal pad

Pin count and configuration: 20 pins total; 8 buffer I/O pins arranged in two 4-bit groups, separate OE pins for each group, VCC, GND, and thermal pad for improved heat dissipation

Material: Lead-free, RoHS3 compliant mold compound and leadframe

Thermal characteristics: Exposed pad improves heat spreading and lowers thermal resistance when soldered to a PCB ground copper area

Electrical properties: 2.7–3.6 V supply, 3-state outputs, 5 V tolerant inputs, high sink/source current, designed for fast edge-rate 3.3 V bus systems

Lifecycle

Status: Active and broadly supported in TI’s logic portfolio

Not nearing discontinuation based on current industry availability

Pin-for-pin or functional alternatives for similar use cases:

- SN74LVC244ARGYR 3.3 V LVC family, high-speed, 5 V tolerant inputs, QFN-20

- SN74LVCH244ARGYR LVC with bus-hold, QFN-20

- SN74LVT244DWR LVT family, TSSOP-20 (different package)

- SN74AHC244DWR AHC family, wide-voltage operation, TSSOP-20 (check input tolerance)

- Nexperia 74LVC244 and onsemi MC74LCX244 families (functional equivalents; verify package and pinout)

If your design needs exact pin compatibility, thermal performance, or special compliance, contact our sales team via the Y-IC website for tailored cross recommendations and latest lifecycle updates

Key Application Areas

MCU, DSP, and FPGA bus buffering and line driving

Memory address/data bus isolation and fan-out expansion

Level-tolerant interface bridging between 3.3 V cores and 5 V signals

Backplane and board-to-board digital signal routing

Industrial control, factory automation, PLC I/O expansion

Communications equipment, networking hardware, and office electronics

Consumer and embedded systems requiring compact, high-drive buffers

Datasheet

Y-IC hosts the most authoritative datasheet and technical resources for SN74LVTH244ARGYR. Download the datasheet directly on this page to get complete electrical specs, timing, pin maps, and layout guidance.

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