Manufacturer Part Number
SN54LS161AJ
Manufacturer
Texas Instruments
Introduction
The SN54LS161AJ is a synchronous 4-bit binary counter designed for use in counting applications within electronic devices.
Product Features and Performance
4-bit binary up counter
Synchronous counting and loading
High-speed operation with count rates up to 32 MHz
Asynchronous Master Reset for resetting the counter to zero
Multiple counting modes (enable/disable counting, parallel load capability)
Positive edge-triggered counting for precise control
Designed with TTL logic levels for compatibility with other digital logic components
Product Advantages
High-speed performance suitable for various frequency counting applications
Durability at extreme temperatures, suitable for high-reliability applications
Straightforward interfacing with TTL compatible logic circuits
Ease of use with simple control features such as asynchronous reset
Key Technical Parameters
Logic Type: Binary Counter
Direction: Up
Number of Elements: 1
Number of Bits per Element: 4
Reset: Asynchronous
Timing: Synchronous
Count Rate: 32 MHz
Trigger Type: Positive Edge
Voltage - Supply: 4.5 V to 5.5 V
Operating Temperature: -55°C to 125°C
Quality and Safety Features
Robust operation over a wide temperature range ideal for industrial applications
Built to high Texas Instruments standards for logic devices
Compatibility
Interface compatible with TTL logic families
Through-hole 16-CDIP package integrates with conventional PCB technology
Application Areas
Digital clocks
Frequency counters
Data acquisition systems
Embedded systems for industrial devices
High-performance computing systems
Product Lifecycle
Product Status: Active
Not indicated as nearing discontinuation
Replacement and upgrade options typically available as part of Texas Instruments' product portfolio
Key Reasons to Choose This Product
Precision synchronous counting for complex digital systems
High count rate capacity ensuring suitability for high-frequency applications
Robust performance at extreme temperatures supporting use in challenging environments
Ease of system integration with typical logic level inputs
Quality assured by Texas Instruments' reputation in the semiconductor industry
SN54LS161JTexas Instruments