74HC194P-E

Shift Registers Overview

The CD74HC194EX is a 4-bit universal shift register manufactured by Renesas Electronics Corporation. It operates within a supply voltage range of 2 to 6 V and supports a maximum frequency of 20 MHz. The device is housed in a 16-pin plastic Dual In-line Package (DIP) with a terminal pitch of 2.54 mm. It functions as a single functional unit containing four bits. The component is rated for military temperature levels, operating between -55 °C and 125 °C. It utilizes CMOS technology and features through-hole terminals with a tin/lead surface finish.

Shift Registers Feature Summary

• Provides 4-bit universal shift register functionality within a single integrated circuit
• Operates on HC-CMOS technology compatible with standard logic families
• Supports synchronous serial-in/parallel-out data transfer operations

Shift Registers Applications

• Data storage and buffering in digital systems
• Serial-to-parallel conversion tasks
• Parallel-to-serial conversion applications

Shift Registers Procurement Notes

Verify the specific suffix 'P-E' against official Renesas documentation to confirm package type and compliance status. Confirm RoHS compliance and lead-free status directly from the manufacturer's datasheet or ordering information. Ensure the DIP-16 package matches the design requirements. Check for any obsolete status notifications from Renesas before finalizing procurement plans.

Shift Registers Selection Notes

Select this component when a 4-bit shift register with parallel output capability is required. Verify that the 2V to 6V supply voltage range aligns with the system power rails. Ensure the DIP-16 package fits the PCB layout constraints. Confirm that the operating temperature range meets the environmental specifications of the target application.

Shift Registers Part Context

This part belongs to the 74HC series of high-speed CMOS logic devices produced by Renesas Electronics. The 74HC family is widely used for general-purpose digital logic applications due to its compatibility with TTL inputs and low power consumption. The 194 variant specifically provides versatile shifting capabilities compared to simpler shift registers.

Shift Registers Replacement Considerations

Consult official Renesas documentation for verified substitute part numbers. Cross-reference pinouts and electrical characteristics carefully. Ensure any replacement maintains the same package style and voltage ratings.