M4A5-32/32-10VNI

Complex Programmable Logic Devices Overview

The M4A5-32/32-10VNI is a Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4A family, designed for high-performance E2CMOS applications. It features 32 macrocells and 32 I/O pins housed in a TQFP-44 package. The device operates at a maximum frequency of 182 MHz with a propagation delay of 10 ns. It utilizes EEPROM storage technology and supports a supply voltage range of 4.75 V to 5.25 V. The component includes JTAG boundary scan compliance and SpeedLocking technology for guaranteed fixed timing.

Complex Programmable Logic Devices Feature Summary

• High-speed performance with 182 MHz maximum frequency and 10 ns propagation delay
• Flexible architecture featuring central, input, and output switch matrices for 100% routability
• EEPROM-based non-volatile configuration allowing in-system programming via JTAG
• SpeedLocking technology ensures consistent pin-to-pin delays regardless of logic complexity

Complex Programmable Logic Devices Applications

• General-purpose digital logic implementation
• Bus bridging and protocol conversion
• Address decoding and control logic
• System integration in mixed-voltage environments

Complex Programmable Logic Devices Procurement Notes

Verify the specific ordering suffix 'VNI' against official documentation to confirm package type and temperature grade. Confirm RoHS compliance status as datasheet references vary by revision. Check end-of-life notifications or lifecycle status prior to procurement planning.

Complex Programmable Logic Devices Selection Notes

Select this model for designs requiring 32 macrocells with a 1:1 macrocell-to-I/O ratio. Ensure the system operates within the 4.75 V to 5.25 V supply range. Verify that the TQFP-44 package fits the PCB footprint constraints and thermal requirements.

Complex Programmable Logic Devices Part Context

This part belongs to the ispMACH 4A CPLD family, which offers densities from 32 to 512 macrocells. The M4A5 variant specifically denotes 5-V operation. The '32/32' designation indicates the specific density and I/O count combination within the family.

Complex Programmable Logic Devices Replacement Considerations

Consult official replacement guides for equivalent density devices. Cross-reference with other ispMACH 4A variants if package or speed grade adjustments are required.

Complex Programmable Logic Devices FAQ

What is the macrocell-to-I/O cell ratio for this device?

The M4A5-32/32 has a 1:1 macrocell-to-I/O cell ratio.

Does the device support JTAG boundary scan testing?

Yes, all ispMACH 4A devices are compliant with IEEE 1149.1 for boundary scan testing.

How does SpeedLocking affect timing?

SpeedLocking guarantees fixed pin-to-pin delays independent of the logic design, ensuring predictable performance up to 20 product terms per output.