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SN7438

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4-ch, 2-input, 4.75-V to 5.25-V bipolar NAND gates with open-collector outputs

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Data sheet

SN7438

ACTIVE
Data sheet Order now

Product details

Technology family TTL Supply voltage (min) (V) 4.75 Supply voltage (max) (V) 5.25 Number of channels 4 Inputs per channel 2 IOL (max) (mA) 48 IOH (max) (mA) 0 Input type Bipolar Output type Open-collector Features High speed (tpd 10- 50ns) Data rate (max) (Mbps) 70 Rating Catalog Operating temperature range (°C) 0 to 70
Technology family TTL Supply voltage (min) (V) 4.75 Supply voltage (max) (V) 5.25 Number of channels 4 Inputs per channel 2 IOL (max) (mA) 48 IOH (max) (mA) 0 Input type Bipolar Output type Open-collector Features High speed (tpd 10- 50ns) Data rate (max) (Mbps) 70 Rating Catalog Operating temperature range (°C) 0 to 70
PDIP (N) 14 181.42 mm² 19.3 x 9.4 SOIC (D) 14 51.9 mm² 8.65 x 6 SOP (NS) 14 79.56 mm² 10.2 x 7.8
  • Package Options Include Plastic “Small Outline" Packages, Ceramic Chip Carriers and Flat Packages, and Plastic and Ceramic DIPs
  • Dependable Texas Instruments Quality and Reliability

 
  • Package Options Include Plastic “Small Outline" Packages, Ceramic Chip Carriers and Flat Packages, and Plastic and Ceramic DIPs
  • Dependable Texas Instruments Quality and Reliability

 

These devices contain four independent 2-input NAND buffer gates with open-collector outputs. The open-collector outputs require pull-up resistors to perform correctly. They may be connected to other open-collector outputs to implement active-low wired-OR or active-high wired-AND functions. Open-collector devices are often used to generate high VOH levels.

The SN5438, SN54LS38, and SN54S38 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN7438, SN74LS38, and SN74S38 are characterized for operation from 0°C to 70°C.

 

These devices contain four independent 2-input NAND buffer gates with open-collector outputs. The open-collector outputs require pull-up resistors to perform correctly. They may be connected to other open-collector outputs to implement active-low wired-OR or active-high wired-AND functions. Open-collector devices are often used to generate high VOH levels.

The SN5438, SN54LS38, and SN54S38 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN7438, SN74LS38, and SN74S38 are characterized for operation from 0°C to 70°C.

 
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* Data sheet Quadruple 2-Input Positive-NAND Buffers w/ Open-Collector Outputs datasheet 01 Mar 1988

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