GAL20V8B-15QJN

Programmable Logic Device Pld Overview

The GAL20V8B-15QJN is a discontinued Generic Array Logic device from Lattice Semiconductor, utilizing E2CMOS technology. It features an industrial temperature range of -40°C to +85°C and operates at a nominal 5V supply. The part number suffix 'Q' indicates quarter-power consumption (typical ICC of 45mA), while 'JN' denotes a lead-free PLCC package with a 15ns maximum propagation delay. The device includes eight Output Logic Macrocells, active pull-ups on all pins, and supports registered, complex, and simple logic modes.

Programmable Logic Device Pld Feature Summary

• E2CMOS Technology: Electrically erasable floating gate architecture enabling reprogrammability and high-speed performance.
• Quarter-Power Consumption: Reduced typical operating current of 45mA compared to standard power variants.
• Flexible OLMC Architecture: Supports Registered, Complex, and Simple modes for emulation of various PAL devices.
• Active Pull-Ups: All pins feature active pull-up resistors to ensure defined states.

Programmable Logic Device Pld Applications

• DMA Control
• State Machine Control
• High Speed Graphics Processing
• Standard Logic Speed Upgrade

Programmable Logic Device Pld Procurement Notes

This component is officially discontinued per Product Change Notification PCN#13-10. No new production units are available from the manufacturer. Verification of authenticity is critical when sourcing from secondary markets, as availability is limited to existing inventory or surplus stock.

Programmable Logic Device Pld Selection Notes

Select this variant for applications requiring low power dissipation in an industrial environment. The 15ns speed grade offers a balance between performance and power. Ensure design compatibility with the PLCC package footprint and verify that the specific pinout matches the target board layout.

Programmable Logic Device Pld Part Context

The GAL20V8 series represents a high-performance CMOS PLD line designed to replace bipolar PALs. The 'B' suffix identifies the specific product family variant within the GAL20V8 lineup, distinguished by its electrical characteristics and package options compared to the GAL20V8C.

Programmable Logic Device Pld Replacement Considerations

No direct functional replacements are listed in the official documentation due to the discontinuation status. Designers should evaluate modern CPLD or FPGA alternatives from Lattice or other vendors for new designs.

Programmable Logic Device Pld FAQ

What does the 'Q' suffix indicate in the part number?

The 'Q' suffix indicates a Quarter Power version of the device, which has a reduced typical operating current of 45mA compared to the standard Low Power version.

Is the GAL20V8B-15QJN currently in production?

No, all devices in the GAL20V8 datasheet, including this part, have been discontinued according to Product Change Notification PCN#13-10.

What is the maximum propagation delay for this speed grade?

The GAL20V8B-15 variant has a maximum propagation delay of 15ns for input or I/O to combinatorial output switching.