M4A5-32/32-12VI48

Complex Programmable Logic Devices Overview

The M4A5-32/32-12VI48 is a Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4A family. It operates at 5V and contains 32 macrocells with 32 I/Os in a 48-pin TQFP package. The device features EEPROM storage, JTAG compliance, and SpeedLocking technology for guaranteed fixed timing. Key electrical parameters include a maximum propagation delay of 12 ns and a maximum operating frequency of 182 MHz.

Complex Programmable Logic Devices Feature Summary

• SpeedLocking technology ensures fixed pin-to-pin delays independent of logic complexity.
• EEPROM-based non-volatile configuration allows in-system programming via JTAG.
• Flexible architecture with central switch matrix providing 100% routability.
• Supports synchronous and asynchronous modes with programmable polarity.

Complex Programmable Logic Devices Applications

• High-speed interface bridging
• Address decoding and control logic
• State machine implementation

Complex Programmable Logic Devices Procurement Notes

Verify the specific suffix 'I48' against official documentation to confirm the package type and temperature range. Confirm availability status as this component may be subject to discontinuation or limited supply.

Complex Programmable Logic Devices Selection Notes

Select this model for designs requiring 32 macrocells with guaranteed timing performance. Ensure the system voltage matches the 5V requirement. Consider the 48-pin TQFP package constraints for PCB layout.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4A family, which offers high-performance E2CMOS CPLDs. The family supports both 3.3V and 5V operations, with the M4A5 series specifically designed for 5V applications.

Complex Programmable Logic Devices Replacement Considerations

Check for direct replacements within the M4A5 series with different speed grades or packages. Verify compatibility with existing design tools and pinouts before substitution.

Complex Programmable Logic Devices FAQ

What is the maximum operating frequency?

The maximum operating frequency is 182 MHz.

Does the device support boundary scan testing?

Yes, it is compliant with IEEE 1149.1 for boundary scan testing.

How many product terms can be allocated per macrocell?

Up to 20 product terms can be allocated to an individual macrocell using the XOR gate without additional timing delays.