CY37256VP256-66BBC

Complex Programmable Logic Devices Overview

The CY37256VP256-66BBC is a Complex Programmable Logic Device (CPLD) from the Ultra37000 family, manufactured by Infineon Technologies. It features 256 macrocells and supports up to 197 I/O pins within a 256-LBGA package. The device operates on a 3.3V supply with a maximum propagation delay of 20 ns and a maximum frequency of 66 MHz. It utilizes In-System Reprogrammable (ISR) CMOS technology via a JTAG interface for reconfigurability.

Complex Programmable Logic Devices Feature Summary

• In-System Reprogrammable (ISR) capability using a JTAG-compliant serial interface.
• High-density architecture with 256 macrocells and up to 197 I/O pins.
• Simple timing model with no fanout, expander, or routing delays.
• PCI Local Bus specification compliant.

Complex Programmable Logic Devices Applications

• PCI-compatible system logic
• High-performance programmable logic solutions
• Design migration across densities

Complex Programmable Logic Devices Procurement Notes

This component is marked as obsolete or discontinued by the manufacturer. Verification of current availability requires checking authorized distributors for remaining stock or end-of-life status updates. Ensure compatibility with existing design constraints before procurement.

Complex Programmable Logic Devices Selection Notes

Select this part for applications requiring 256 macrocells and 3.3V operation. The 'V' suffix indicates 3.3V core voltage. The '66' speed bin corresponds to a 66 MHz maximum frequency. Verify that the 256-LBGA package fits the board layout requirements.

Complex Programmable Logic Devices Part Context

Part of the Ultra37000 CPLD family, which offers consistent pinouts across densities to simplify design migration. The family includes both 5V and 3.3V versions, with the CY37256VP256 variant specifically designed for lower power consumption systems.

Complex Programmable Logic Devices Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the device is discontinued, alternative high-density CPLDs from other manufacturers may be required, subject to pinout and timing verification.

Complex Programmable Logic Devices FAQ

What is the maximum operating frequency for the CY37256VP256-66BBC?

The maximum operating frequency is 66 MHz, corresponding to the '66' speed bin.

How many macrocells does this device contain?

The device contains 256 macrocells.

Is the device compatible with PCI standards?

Yes, the Ultra37000 family is PCI-compatible, meeting the electrical and timing requirements of the PCI Local Bus Specification.