Manufacturer Part Number

MC14559BCP

Description

8-bit shift register with successive approximation function in a 16-pin through-hole PDIP package. Designed for logic operations requiring data transfer or storage. General-purpose, suitable for parallel or serial operations. Universal, can adapt to a variety of logic shifting, counting, or storage tasks. Obsolete status—no longer in active production but may be available as stock.

Specifications

Single element, 8-bit capacity

Successive approximation register type

Push-pull output

Voltage supply range: 3V to 18V

Operating temperature: -55°C to +125°C

Mounting: Through hole

Package/Case: 16-DIP (0.300", 7.62mm)

Supplier device package: 16-PDIP

RoHS non-compliant

Base product number: MC14559

Inventory available: 3450 units original stock

Device Structure

Monolithic CMOS logic IC

Contains one register circuit—8-bits per device

Standard dual in-line 16-pin physical layout

Uses push-pull output stage for increased output current

Pin configuration optimized for direct replacement in DIP sockets

Performance Characteristics

Wide supply voltage range: operates reliably from 3V to 18V

Broad temperature tolerance allows use in harsh or industrial environments

Push-pull output enables both sourcing and sinking current for connected logic

Successive approximation logic delivers fast and reliable shifting operations

Low power consumption and high noise immunity due to CMOS construction

Application Environments

Suitable for use in logic circuits, shift registers, digital data storage, digital interface circuits, parallel-to-serial/serial-to-parallel data conversion

Common in industrial controls, instrumentation, signal processing applications, embedded systems, and legacy hardware requiring 16-pin DIP logic

May also be found in educational circuits, prototypes, and replacement markets for older existing equipment

Selection Guidelines

Choose MC14559BCP for circuits needing 8-bit register or shift register logic in DIP packages

Suitable when operating voltage and temperature requirements match device specifications

Check RoHS requirements as the device is not compliant—may not be suitable for new lead-free or green projects

Preferred when through-hole mounting is required versus SMD packaging

Verify the pinout compatibility with the existing hardware to avoid layout conflicts

Usage Considerations

Avoid for new designs, as device is obsolete

Verify current inventory; long-term support not guaranteed

Assure environment and layout support for through-hole DIP mounting

Consider voltage supply levels and logic compatibility with connected devices

Note RoHS non-compliance for regulatory-restricted applications

Suitable for educational, replacement, or maintenance of existing systems rather than new high-volume manufacturing

Potential Equivalent/Replacement Models

Several logic manufacturers offer similar 4000-series CMOS registers and shift registers

Possible equivalents: CD14559BE (Texas Instruments), HEF14559BP (Nexperia / formerly Philips), TC14559BP (Toshiba)

Before selecting, check pinouts, timing characteristics, and voltage ranges for direct compatibility

For other alternatives or hard-to-find equivalents, contact Ariat-Tech sales team for support and sourcing assistance.

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