GAL22V10D-15LPNI

Programmable Logic Device Pld Overview

The GAL22V10D-15LPNI is a discontinued Simple Programmable Logic Device (SPLD) from Lattice Semiconductor, belonging to the GAL22V10D family. It utilizes E2CMOS technology and features 10 macrocells with a maximum propagation delay of 15 ns and a maximum operating frequency of 83.3 MHz. The device operates within a supply voltage range of 4.75 V to 5.25 V and draws a typical operating current of 75 mA. Designed for industrial applications, it supports an ambient temperature range of -40°C to +85°C. The component is housed in a 24-pin Plastic Dual In-Line Package (PDIP).

Programmable Logic Device Pld Feature Summary

• E2CMOS Technology: Electrically Erasable floating gate technology enabling high-speed reprogramming (<100ms erase time) and 20-year data retention.
• Industrial Grade Performance: Optimized for -40°C to +85°C operation with a 15 ns max propagation delay and 83.3 MHz max clock frequency.
• Flexible I/O Architecture: Features 10 Output Logic Macrocells (OLMCs) configurable as registered or combinatorial outputs with active pull-ups on all pins.
• Power Efficiency: Offers 50% to 75% power reduction compared to bipolar 22V10 devices, with a typical ICC of 75 mA.

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 PCN #09-10. Verification of availability should focus on surplus inventory channels or alternative qualified sources, as original manufacturer production has ceased. Ensure strict adherence to industrial grade specifications (-40°C to +85°C) when sourcing replacements.

Programmable Logic Device Pld Selection Notes

Select this part for designs requiring direct pin-compatible replacement for standard bipolar or UVCMOS 22V10 devices. The 'I' suffix denotes Industrial temperature rating, while 'PN' indicates lead-free PDIP packaging. Verify that the 15 ns speed grade meets timing requirements, noting the 83.3 MHz limit under recommended operating conditions.

Programmable Logic Device Pld Part Context

The GAL22V10D series represents Lattice's high-performance Generic Array Logic devices combining CMOS speed with E2 reprogrammability. This specific variant targets industrial environments, offering robustness against latch-up via substrate biasing and providing an electronic signature feature for identification and security.

Programmable Logic Device Pld Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation due to the discontinuation status. Designers should evaluate modern CPLD families or verify compatibility with third-party equivalents such as those from Rochester Electronics if legacy inventory is required.

Programmable Logic Device Pld FAQ

What is the maximum operating frequency for the GAL22V10D-15LPNI?

The maximum operating frequency is 83.3 MHz, calculated based on external feedback constraints (1/(tsu + tco)).

How does the GAL22V10D handle unused inputs?

The device includes built-in active pull-ups on all pins, causing floating inputs to default to a TTL high logic state. However, connecting unused inputs to Vcc or ground is recommended to improve noise immunity.

What is the function of the Electronic Signature in this device?

The Electronic Signature provides 64 bits of reprogrammable memory for user-defined data such as ID codes or revision numbers. It remains accessible regardless of the security cell state.