M4A3-96/48-7VI

Complex Programmable Logic Devices Overview

The M4A3-96/48-7VI is a Complex Programmable Logic Device (CPLD) from the Lattice ispMACH 4A family. It features 96 macrocells and 48 user I/O pins, operating at a nominal 3.3 V supply voltage. The device provides a maximum propagation delay of 7 ns and supports a maximum count frequency of 167 MHz. It utilizes E2CMOS technology for in-system programming via JTAG and includes architectural elements such as central and input/output switch matrices to ensure 100% routability and pin-out retention.

Complex Programmable Logic Devices Feature Summary

• High-performance E2CMOS architecture with guaranteed fixed timing via SpeedLocking feature
• Flexible logic design capabilities with D/T registers, latches, and dedicated input registers
• Supports mixed-voltage system designs with safe operation between 3.3-V and 5-V interfaces
• JTAG (IEEE 1149.1) compliant for boundary scan testing and in-system programming

Complex Programmable Logic Devices Applications

• PCI-compliant interface bridging
• Mixed supply voltage system integration
• Complex logic control functions requiring high-speed performance

Complex Programmable Logic Devices Procurement Notes

Verify the specific package type and temperature grade associated with the VI suffix against official documentation before procurement. Confirm that the component meets all necessary environmental and electrical specifications for the intended application environment.

Complex Programmable Logic Devices Selection Notes

Select this model when a design requires 96 macrocells with 48 I/Os and a 7 ns speed grade within the 3.3-V ispMACH 4A family. Ensure the design leverages the SpeedLocking feature if fixed timing guarantees are required for up to 20 product terms per output.

Complex Programmable Logic Devices Part Context

This component belongs to the ispMACH 4A CPLD family, which offers densities ranging from 32 to 512 macrocells. The M4A3 series specifically denotes 3.3-V operation, distinguishing it from the 5-V M4A5 series. The family is characterized by its flexible architecture and support for both commercial and industrial temperature ranges.

Complex Programmable Logic Devices Replacement Considerations

Other devices within the M4A3-96/48 series with different speed grades (e.g., -5, -55, -6) or package options may serve as functional replacements if timing requirements allow. Verify pinout compatibility and electrical characteristics before substitution.

Complex Programmable Logic Devices FAQ

What is the maximum propagation delay for the M4A3-96/48-7VI?

The maximum propagation delay (tPD) for this device is 7 ns.

Does the M4A3-96/48-7VI support JTAG boundary scan?

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

Can this device operate in mixed-voltage systems?

Yes, the device is designed to be safe for mixed supply voltage system designs, allowing 3.3-V devices to accept 5-V inputs without overdriving other components.