PALC22V10-25JCB

Programmable Logic Device Pld Overview

The PALC22V10-25JCB is a CMOS Flash-erasable programmable logic device (PLD) manufactured by Cypress Semiconductor. It utilizes second-generation PAL architecture with a sum-of-products structure and programmable macrocells. The device features 22 inputs and 10 outputs, supporting up to 132 product terms. The -25 speed grade indicates a maximum propagation delay of 25 ns. It operates on a single 5 V supply and employs Flash EPROM technology for electrical erasability and reprogrammability without UV exposure.

Programmable Logic Device Pld Feature Summary

• CMOS Flash EPROM technology enabling electrical erasure and reprogramming
• 22 dedicated inputs and 10 I/O lines with 132 total product terms
• Programmable macrocells with individually selectable registered or combinatorial output modes
• Output polarity control for each macrocell

Programmable Logic Device Pld Applications

• High-speed state machine implementations
• Address decoding and bus arbitration circuits
• Interface bridging between different logic families
• Replacement for fixed-function gate arrays in legacy designs

Programmable Logic Device Pld Procurement Notes

Verify the manufacturer origin, as Cypress Semiconductor assets were acquired by Infineon Technologies. Confirm the package type matches the 'JCB' suffix specifications and check for RoHS compliance status relative to the production date. Ensure the component is sourced from authorized distributors to avoid counterfeit devices, particularly given the age of the PALC series.

Programmable Logic Device Pld Selection Notes

Select the PALC22V10-25JCB when a reprogrammable solution with 22 inputs and 10 outputs is required. The -25 speed grade provides a 25 ns propagation delay suitable for moderate-speed applications. Choose this over OTP variants if field reprogramming capabilities are necessary. Verify that the 5 V operating voltage aligns with the system power rails.

Programmable Logic Device Pld Part Context

The PALC22V10 belongs to the Cypress PALCE family of Flash-erasable PLDs. This series succeeded earlier UV-erasable PAL devices by offering electrical erasability. The PALC22V10-25JCB specifically denotes the 25 ns speed variant in a ceramic dual-in-line package. It is part of a broader ecosystem including similar devices like the PALC22V10-10 and PALC22V10-30.

Programmable Logic Device Pld Replacement Considerations

Direct pin-compatible replacements include other PALC22V10 variants with different speed grades (e.g., PALC22V10-10, PALC22V10-30). Cross-manufacturer equivalents such as Atmel AT22V10 may require verification of electrical characteristics and timing parameters. Ensure the replacement supports the same Flash programming interface if reprogramming is needed.