SN74LVC244A-Q1

ACTIVE

Automotive 8-ch, 1.65-V to 3.6-V buffers with 3-state outputs

SN74LVC244A-Q1

ACTIVE

Product details

Technology family LVC Number of channels 8 IOL (max) (mA) 24 Supply current (max) (µA) 40 IOH (max) (mA) -24 Input type Standard CMOS Output type 3-State Features Balanced outputs, Very high speed (tpd 5-10ns) Rating Automotive Operating temperature range (°C) -40 to 125
Technology family LVC Number of channels 8 IOL (max) (mA) 24 Supply current (max) (µA) 40 IOH (max) (mA) -24 Input type Standard CMOS Output type 3-State Features Balanced outputs, Very high speed (tpd 5-10ns) Rating Automotive Operating temperature range (°C) -40 to 125
TSSOP (PW) 20 41.6 mm² (6.5 mm × 6.4 mm) SOIC (DW) 20 131.84 mm² (12.8 mm × 10.3 mm) VSSOP (DGS) 20 24.99 mm² (5.1 mm × 4.9 mm)
  • Qualified for Automotive Applications
  • Operates from 1.65V to 3.6V
  • Inputs accept voltages to 5.5V
  • Specified from –40°C to +85°C and –40°C to +125°C
  • Maximum tpd of 5.9ns at 3.3V
  • Typical VOLP (output ground bounce) < 0.8V at VCC = 3.3V, TA = 25°C
  • Typical VOHV (output VOH undershoot) > 2V at VCC = 3.3V, TA = 25°C
  • Supports mixed-mode signal operation on all ports (5V input or output voltage with 3.3V VCC)
  • Ioff supports live insertion, partial-power-down mode, and back-drive protection
  • Latch-up performance exceeds 250mA per JESD 17
  • Qualified for Automotive Applications
  • Operates from 1.65V to 3.6V
  • Inputs accept voltages to 5.5V
  • Specified from –40°C to +85°C and –40°C to +125°C
  • Maximum tpd of 5.9ns at 3.3V
  • Typical VOLP (output ground bounce) < 0.8V at VCC = 3.3V, TA = 25°C
  • Typical VOHV (output VOH undershoot) > 2V at VCC = 3.3V, TA = 25°C
  • Supports mixed-mode signal operation on all ports (5V input or output voltage with 3.3V VCC)
  • Ioff supports live insertion, partial-power-down mode, and back-drive protection
  • Latch-up performance exceeds 250mA per JESD 17

These octal bus buffers are designed for 1.65V to 3.6V VCC operation. The SN74LVC244A-Q1 devices are designed for asynchronous communication between data buses.

These octal bus buffers are designed for 1.65V to 3.6V VCC operation. The SN74LVC244A-Q1 devices are designed for asynchronous communication between data buses.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet SN74LVC244A-Q1 Automotive Octal Buffer or Driver With 3-State Outputs datasheet (Rev. D) PDF | HTML Feb 2, 2026
Application note Optimizing AC Drive Control Panel Systems With Logic and Translation Use Cases Jan 20, 2021
More literature Automotive Logic Devices Brochure Aug 27, 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

14-24-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin D, DB, DGV, DW, DYY, NS and PW packages

The 14-24-LOGIC-EVM evaluation module (EVM) is designed to support any logic device that is in a 14-pin to 24-pin D, DW, DB, NS, PW, DYY or DGV package,

User guide: PDF | HTML
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Evaluation board

14-24-NL-LOGIC-EVM — Logic product generic evaluation module for 14-pin to 24-pin non-leaded packages

14-24-NL-LOGIC-EVM is a flexible evaluation module (EVM) designed to support any logic or translation device that has a 14-pin to 24-pin BQA, BQB, RGY, RSV, RJW or RHL package.

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Simulation model

SN74LVC244A Behavioral SPICE Model

SCAM102.ZIP (7 KB) - PSpice model
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
TSSOP (PW) 20 Ultra Librarian
SOIC (DW) 20 Ultra Librarian
VSSOP (DGS) 20 Ultra Librarian

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