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Noninverting buffers & drivers

SN74ABTH16244

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16-ch, 4.5-V to 5.5-V buffers with bus-hold, TTL-compatible CMOS inputs and 3-state outputs

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Data sheet

SN74ABTH16244

ACTIVE
Data sheet Order now

Product details

Technology family ABT Number of channels 16 IOL (max) (mA) 64 Supply current (max) (µA) 32000 IOH (max) (mA) -32 Input type TTL-Compatible CMOS Output type 3-State Features Bus-hold, Over-voltage tolerant inputs, Partial power down (Ioff), Ultra high speed (tpd <5ns) Rating Catalog Operating temperature range (°C) -40 to 85
Technology family ABT Number of channels 16 IOL (max) (mA) 64 Supply current (max) (µA) 32000 IOH (max) (mA) -32 Input type TTL-Compatible CMOS Output type 3-State Features Bus-hold, Over-voltage tolerant inputs, Partial power down (Ioff), Ultra high speed (tpd <5ns) Rating Catalog Operating temperature range (°C) -40 to 85
SSOP (DL) 48 164.358 mm² (15.88 mm × 10.35 mm) TSSOP (DGG) 48 101.25 mm² (12.5 mm × 8.1 mm)
  • Members of the Texas Instruments WidebusTM Family
  • State-of-the-Art EPIC-II BTM BiCMOS Design Significantly Reduces Power Dissipation
  • Latch-Up Performance Exceeds 500 mA Per JESD 17
  • Typical VOLP (Output Ground Bounce) <1 V at VCC = 5 V, TA = 25°C
  • Distributed VCC and GND Pins Minimize High-Speed Switching Noise
  • Flow-Through Architecture Optimizes PCB Layout
  • High-Drive Outputs (-32-mA IOH, 64-mA IOL)
  • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
  • ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
  • Package Options Include Plastic Shrink Small-Outline (DL), Thin Shrink Small-Outline (DGG), Thin Very Small-Outline (DGV) Packages, and 380-mil Fine-Pitch Ceramic Flat (WD) Packages

Widebus and EPIC-IIB are trademarks of Texas Instruments Incorporated.

  • Members of the Texas Instruments WidebusTM Family
  • State-of-the-Art EPIC-II BTM BiCMOS Design Significantly Reduces Power Dissipation
  • Latch-Up Performance Exceeds 500 mA Per JESD 17
  • Typical VOLP (Output Ground Bounce) <1 V at VCC = 5 V, TA = 25°C
  • Distributed VCC and GND Pins Minimize High-Speed Switching Noise
  • Flow-Through Architecture Optimizes PCB Layout
  • High-Drive Outputs (-32-mA IOH, 64-mA IOL)
  • Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
  • ESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)
  • Package Options Include Plastic Shrink Small-Outline (DL), Thin Shrink Small-Outline (DGG), Thin Very Small-Outline (DGV) Packages, and 380-mil Fine-Pitch Ceramic Flat (WD) Packages

Widebus and EPIC-IIB are trademarks of Texas Instruments Incorporated.

The 'ABTH16244 devices are 16-bit buffers and line drivers designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. These devices can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer. These devices provide true outputs and symmetrical active-low output-enable (OE\) inputs.

To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.

The SN54ABTH16244 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABTH16244 is characterized for operation from -40°C to 85°C.

The 'ABTH16244 devices are 16-bit buffers and line drivers designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. These devices can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer. These devices provide true outputs and symmetrical active-low output-enable (OE\) inputs.

To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.

The SN54ABTH16244 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABTH16244 is characterized for operation from -40°C to 85°C.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet 16-Bit Buffers/Drivers With 3-State Outputs datasheet (Rev. D) Mar 3, 2000
Application note An Overview of Bus-Hold Circuit and the Applications (Rev. B) Sep 17, 2018

Design & development

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Simulation model

SN74ABTH16244 Behavioral SPICE Model

SCBM134.ZIP (7 KB) - PSpice model
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
SSOP (DL) 48 Ultra Librarian
TSSOP (DGG) 48 Ultra Librarian
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