ATF16V8CZ-12JX

Overview

The ATF16V8CZ-12JX is a high-performance EECMOS programmable logic device from Microchip Technology, utilizing electrically-erasable Flash memory technology. It features a maximum pin-to-pin propagation delay of 12 ns and operates within a commercial temperature range of 0°C to +70°C. The device provides eight macrocells with dedicated product terms and supports three operational modes: registered, complex, and simple. It includes input and I/O pin-keeper circuits to maintain valid logic levels without DC current consumption. The JX suffix indicates a 20-lead TSSOP surface-mount package.

Feature Summary

• Maximum 12 ns propagation delay for high-speed logic applications
• Low-power standby mode with typical 5 µA edge-sensing power-down current
• CMOS and TTL compatible inputs and outputs with internal pin-keeper circuits
• Reprogrammable via Advanced Flash technology with 100% testing

Applications

• Direct replacement for 16R8 family and most 20-pin combinatorial PLDs
• Emulation of industry-standard 20-pin PAL devices
• PCI-compliant logic interface designs
• Systems requiring automatic power-down in slow clock or asynchronous applications

Procurement Notes

Verify the ordering code against the manufacturer's datasheet to confirm package type and speed grade. The 'JX' suffix corresponds to the 20-lead TSSOP package in the commercial temperature range. Ensure compatibility with existing programming tools for Flash-based PLDs. Check for RoHS compliance status if lead-free requirements are mandatory for the specific production batch.

Selection Notes

Select this component when a 12 ns speed grade is required for commercial environments (0°C to +70°C). The TSSOP package is suitable for space-constrained surface-mount designs. Consider the registered, complex, or simple modes based on whether output enable control or flip-flop usage is needed. Verify that the 5V ±5% supply voltage tolerance meets the system power specifications.

Part Context

This part belongs to the ATF16V8CZ series of Electrically Erasable Programmable Logic Devices (EEPLD). It serves as a superset architecture capable of emulating various GAL and PAL devices. The series utilizes Atmel’s proven Flash memory technology, offering reprogrammability and low standby power compared to traditional EPROM-based PLDs.

Replacement Considerations

The ATF16V8CZ-12JX can replace standard 20-pin PALs such as the 16R8, 16L8, and 10L8 families when configured appropriately. For industrial temperature ranges (-40°C to +85°C), a downgraded speed grade from the 'I' series may be used with derating. Ensure the target application does not require the higher speed grades available in the -15 ns variants.