HEF4557BT,652

Shift Registers Overview

The HEF4557BT,652 is a 64-bit serial-to-serial shift register manufactured by Nexperia. It belongs to the HEF4000 series of CMOS logic devices and is housed in a 16-pin SOIC package. The component operates within a supply voltage range of 4.5 V to 15.5 V and supports standard working voltages including 3.3 V, 5 V, 9 V, and 12 V. It features two inputs and one output, with a propagation delay of 65 ns. The device is rated for operation between -40 °C and +85 °C.

Shift Registers Feature Summary

• Performs serial data shifting operations using a single circuit configuration
• Provides high noise immunity through CMOS technology construction
• Supports low power consumption suitable for battery-operated applications

Shift Registers Applications

• Data storage and transfer in digital systems
• Serial-to-parallel conversion interfaces
• Timing control circuits requiring extended bit shifts

Shift Registers Procurement Notes

Verify the specific suffix against official Nexperia documentation to confirm package type and tape/reel specifications. Confirm availability status as distribution channels may list obsolete or limited stock items. Ensure the selected variant matches the required operating temperature range and voltage parameters for the target application environment.

Shift Registers Selection Notes

Select this component when a long shift register capacity is required within a compact surface-mount footprint. Compare performance metrics such as propagation delay and power dissipation against alternative logic families if speed or efficiency constraints are critical. Verify pin compatibility with existing PCB layouts before finalizing the design choice.

Shift Registers Part Context

This part is a member of the HEF4000B family, which defines standard CMOS logic characteristics. The HEF4557BT variant specifically provides 64-bit serial shifting capabilities. It is designed for general-purpose digital logic applications where reliable data movement and storage are necessary without complex parallel interface requirements.

Shift Registers Replacement Considerations

Check for direct cross-references from other manufacturers offering identical 64-bit serial shift registers in SOIC-16 packages. Verify that any substitute maintains the same voltage range and pinout configuration to ensure seamless integration.