Manufacturer Part Number
CD74AC161M
Manufacturer
Texas Instruments
Introduction
The CD74AC161M is a presetable synchronous binary counter designed to provide high-speed counting with the robustness of CMOS technology.
Product Features and Performance
Synchronous counting and loading
High-speed counting frequency of 90 MHz
Four-bit binary counter
Asynchronous master reset
Positive-edge triggered
Wide operating voltage range from 1.5 V to 5.5 V
Compatible with TTL logic levels
Product Advantages
High count rates for diverse applications
Compatible across a wide voltage range
Compatible with industry-standard 74AC series
Robustness provided by CMOS construction
Key Technical Parameters
Binary Counter Logic Type
Up Direction Counting
1 Number of Elements
4 Number of Bits per Element
Asynchronous Reset Function
Synchronous Timing
90 MHz Count Rate
Positive Edge Trigger Type
5 V to 5.5 V Supply Voltage Range
-55°C to 125°C Operating Temperature
Quality and Safety Features
Built to industry standards for logic counters
Operates reliably across a broad temperature range
Compatibility
Compatible with TTL logic levels
Interchangeable with other 74AC series logic components
Application Areas
High-speed digital systems
Industrial electronics
Computing systems
Test and measurement equipment
Digital signal processing
Product Lifecycle
Discontinued at Digi-Key
Potential for replacements or upgrades to be available through Texas Instruments or other distributors
Reasons to Choose This Product
Fast count rates support high-performance systems
Versatile voltage operation supports multiple designs
Direct compatibility with 74AC logic family simplifies integration
Tolerant to harsh temperature environments
Long history of reliability in the 74AC series
Surface mount package facilitates modern PCB design