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Noninverting buffers & drivers

SN74AHCT244

ACTIVE

8-ch, 4.5-V to 5.5-V buffers with TTL-compatible CMOS inputs

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Data sheet

SN74AHCT244

ACTIVE
Data sheet Order now

Product details

Technology family AHCT Number of channels 8 IOL (max) (mA) 8 Supply current (max) (µA) 40 IOH (max) (mA) -8 Input type TTL-Compatible CMOS Output type Push-Pull Features Balanced outputs, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Rating Catalog Operating temperature range (°C) -40 to 125
Technology family AHCT Number of channels 8 IOL (max) (mA) 8 Supply current (max) (µA) 40 IOH (max) (mA) -8 Input type TTL-Compatible CMOS Output type Push-Pull Features Balanced outputs, Over-voltage tolerant inputs, Very high speed (tpd 5-10ns) Rating Catalog Operating temperature range (°C) -40 to 125
PDIP (N) 20 228.702 mm² (24.33 mm × 9.4 mm) TSSOP (PW) 20 41.6 mm² (6.5 mm × 6.4 mm) SOIC (DW) 20 131.84 mm² (12.8 mm × 10.3 mm) SSOP (DB) 20 56.16 mm² (7.2 mm × 7.8 mm) TVSOP (DGV) 20 32 mm² (5 mm × 6.4 mm) VSSOP (DGS) 20 24.99 mm² (5.1 mm × 4.9 mm) SOP (NS) 20 98.28 mm² (12.6 mm × 7.8 mm) VQFN (RKS) 20 11.25 mm² (4.5 mm × 2.5 mm)
  • Inputs are TTL-voltage compatible
  • Latch-up performance exceeds 250mA Per JESD 17
  • On products compliant to MIL-PRF-38535, All parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters.
  • Inputs are TTL-voltage compatible
  • Latch-up performance exceeds 250mA Per JESD 17
  • On products compliant to MIL-PRF-38535, All parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters.

These octal buffers/drivers are designed specifically to improve both the performance and density of 3-state memory-address drivers, clock drivers, and bus-oriented receivers and transmitters.

These octal buffers/drivers are designed specifically to improve both the performance and density of 3-state memory-address drivers, clock drivers, and bus-oriented receivers and transmitters.
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SN74HCT244 ACTIVE Eight-channel 4.5-V to 5.5-V buffers with TTL-compatible CMOS inputs and tri-state outputs Voltage range 4.5V to 5.5V, average propagation delay 22ns, average drive strength 4mA
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet SNx4AHCT244 Octal Buffers/Drivers With 3-State Outputs datasheet (Rev. O) PDF | HTML Jul 22, 2024

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
Supported products & hardware
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Simulation model

SN74AHCT244 Behavioral SPICE Model

SLCM005.ZIP (7 KB) - PSpice model
Supported products & hardware
Simulation model

SN74AHCT244 IBIS Model (Rev. A)

SCLM058 (16 KB) - IBIS model
Supported products & hardware
Reference design

TIDA-00626 — 9.8GHz RF CW Signal Generator Using Integrated Synthesizer With Spur Reduction Reference Design

This design is a 9.8-GHz wideband, low-phase noise, integrated continuous wave (CW) RF signal generator with versatile spur reduction technique. The output level can be programmed from -32 dBm to 14.5 dBm in 0.5-dB steps. This signal generator can be used as local oscillator for applications, such (...)
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
PDIP (N) 20 Ultra Librarian
TSSOP (PW) 20 Ultra Librarian
SOIC (DW) 20 Ultra Librarian
SSOP (DB) 20 Ultra Librarian
TVSOP (DGV) 20 Ultra Librarian
VSSOP (DGS) 20 Ultra Librarian
SOP (NS) 20 Ultra Librarian
VQFN (RKS) 20 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

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