Manufacturer Part Number
SN7438DR
Manufacturer
Texas Instruments
Introduction
The SN7438DR is a quad 2-input NAND gate with open-collector outputs from Texas Instruments.
Product Features and Performance
Four independent NAND gates
Open collector outputs for wired-AND logic connections
Fast propagation delay of 22ns typical
Product Advantages
Compatible with TTL logic levels
Output can drive up to 48mA
Designed for use in 5V systems
Key Technical Parameters
Logic Type: NAND Gate
Number of Circuits: 4
Number of Inputs per Gate: 2
Voltage - Supply: 4.75V to 5.25V
Current - Quiescent (Max): 8.5 mA
Output Current - High, Low: -, 48mA
Input Logic Level - Low: 0.8V
Input Logic Level - High: 2V
Max Propagation Delay @ V, Max CL: 22ns @ 5V, 45pF
Operating Temperature Range: 0°C to 70°C
Quality and Safety Features
Tested for maximum reliability and safety standards
Compatibility
Compatible with other TTL and 7400 series logic components
Application Areas
Digital logic circuits
Industrial controls
Computing systems
Product Lifecycle
Active status - product is currently being manufactured and sold
No indication of discontinuation
Replacement and upgrade options typically available through Texas Instruments
Several Key Reasons to Choose This Product
High-current open-collector outputs for interfacing and driving capabilities
TTL compatibility eases integration into existing designs
Low power consumption with a maximum quiescent current of 8.5 mA
Industry-standard 14-SOIC package for easy surface mounting
Proven reliability from Texas Instruments, a leader in semiconductor manufacturing