The CD74HC93E is a high-speed silicon-gate CMOS 4-bit binary counter designed and manufactured by Texas Instruments. This integrated circuit is part of the 74HC series, known for its high noise immunity and low power consumption compared to its TTL counterparts. The CD74HC93E provides users with the functionality of two 4-bit binary counters in a single package, making it a versatile choice for a wide range of counting applications.
Key Features:
- Versatile Counting Options: The device includes two individual counters that can be used separately or cascaded together to create an 8-bit counter.
- High-Speed Operation: Its high-speed performance makes it suitable for fast counting applications, capable of operating at clock frequencies up to the MHz range.
- Low Power Consumption: As part of the CMOS family, this device has a significantly lower power consumption compared to its TTL equivalents, making it ideal for battery-operated devices.
- Wide Operating Voltage: It operates over a broad voltage range from 2V to 6V, providing flexibility for use in various circuit designs.
- Output Drive Capability: The CD74HC93E can drive up to 10 LSTTL loads, ensuring compatibility with various logic families.
Applications:
The CD74HC93E is suitable for a variety of applications, including:
- Frequency division
- Time delay generation
- Counter design for digital systems
- Sequential state machines
- Event counting
Technical Specifications:
Parameter
Value
Counting Sequence
Binary
Number of Bits
4 per counter
Supply Voltage Range
2V to 6V
Operating Temperature Range
-55°C to 125°C
Package Type
14-Pin PDIP
Whether you are designing a simple timer or a complex digital system requiring a reliable counting solution, the CD74HC93E from Texas Instruments offers a combination of performance, power efficiency, and flexibility that is hard to match.
