PALCE20V8H-15E4/B3A

Programmable Logic Device Pld Overview

The PALCE20V8H-15E4/B3A is a high-performance Complex Programmable Logic Device (CPLD) from Advanced Micro Devices, belonging to the PALCE20V8 family. It features an E²CMOS technology that allows for in-system programmability and reprogrammability. The device provides 20 input pins and 8 output pins, with a maximum propagation delay of 15 ns. It operates within a supply voltage range of 4.75 V to 5.25 V and supports industrial temperature ranges. The B3A suffix indicates a specific package variant, typically a 28-pin PLCC.

Programmable Logic Device Pld Feature Summary

• E²CMOS Technology: Enables electrical erasure and reprogramming without UV exposure.
• High Speed: Maximum propagation delay of 15 ns for fast logic operations.
• In-System Programmability: Supports programming while mounted on the PCB.
• Robust I/O: 20 Inputs and 8 Outputs with flexible macrocell configuration.

Programmable Logic Device Pld Applications

• Address decoding and chip select generation in embedded systems.
• Gate replacement for legacy TTL/CMOS logic circuits.
• Interface adapters between different protocol standards.
• Simple state machine implementation in industrial control units.

Programmable Logic Device Pld Part Context

This component is part of AMD's PALCE20V8 series, designed as a drop-in replacement for standard PAL devices but with enhanced flexibility due to EEPROM memory cells. It bridges the gap between fixed logic gates and larger FPGAs, offering a cost-effective solution for moderate complexity logic designs requiring non-volatile storage and reprogrammability.

Programmable Logic Device Pld Replacement Considerations

When replacing this component, ensure the substitute CPLD maintains compatible pinout or utilizes a pin-compatible package such as the 28-pin PLCC. Verify that the new device supports the same 5V logic levels and meets the 15 ns timing requirements. Check for availability of programming tools compatible with E²CMOS architecture if field reprogramming is required.