MC14557BFL1

Shift Registers Overview

The MC14557BFL1 is a static clocked serial shift register manufactured by onsemi in the MC14 logic series. It utilizes CMOS technology and is housed in an SOP-16 package for surface mount installation. The device supports variable length programming from 1 to 64 bits with serial-to-serial counting order. It operates within a power supply voltage range of 3 V to 18 V and functions across a temperature range of -55 °C to +125 °C. Key electrical parameters include propagation delays of 600 ns, 260 ns, and 180 ns, with high-level output current of 3.4 mA.

Shift Registers Feature Summary

• Static clocked serial shift register architecture allowing programmable bit lengths between 1 and 64.
• CMOS logic construction ensuring compatibility with standard digital interfaces.
• Wide operating voltage tolerance supporting diverse power supply environments.
• Extended industrial temperature rating for reliable performance in harsh conditions.

Shift Registers Applications

• Data storage and buffering in digital communication systems
• Serial-to-parallel conversion tasks in embedded controllers
• Timing delay generation circuits
• Pulse width modulation signal processing

Shift Registers Procurement Notes

Verify component authenticity through authorized distribution channels due to potential counterfeit risks. Confirm package variant matches SOP-16 specifications. Check RoHS compliance status as historical data indicates non-compliance for some variants. Validate lot codes against manufacturer records to ensure traceability. Review datasheet revisions for any functional updates prior to integration.

Shift Registers Selection Notes

Select this component when variable length serial shifting is required without external configuration complexity. Ensure design accommodates the specified propagation delays for timing-critical paths. Verify that the SOP-16 footprint aligns with PCB layout constraints. Consider thermal management requirements given the wide operating temperature range and power dissipation characteristics.

Shift Registers Part Context

Part of the MC14557B family of variable length shift registers. Shares core functionality with MC14557BCP but differs in packaging type. Designed for applications requiring flexible bit-depth control in serial data streams. Complements other MC14 series logic components for system scalability.

Shift Registers Replacement Considerations

MC14557BCP offers identical logical function in PDIP-16 through-hole packaging. MC14015BDG provides similar shifting capabilities but with fixed 4-bit depth and different pinout. Verify pin compatibility and electrical parameters before substitution.

Shift Registers FAQ

What is the maximum programmable bit length?

The device supports variable length programming up to 64 bits.

Does it support parallel output?

No, the MC14557BFL1 is configured for serial-in serial-out operation only.