CY37256P256-154BGC Datasheet PDF - Cypress Semiconductor

●General Description

●The Ultra37000™ family of CMOSCPLDs provides a range of high-density programmable logic solutions with unparalleled system performance. The Ultra37000 family is designed to bring the flexibility, ease of use, and performance of the 22V10 to high-density CPLDs. The architecture is based on a number of logic blocks that are connected by a Programmable Interconnect Matrix (PIM).

●Features

●• In-System Reprogrammable™ (ISR™) CMOS CPLDs

●— JTAG interface for reconfigurability

●— Design changes do not cause pinout changes

●— Design changes do not cause timing changes

●• High density

●— 32 to 512 macrocells

●— 32 to 264 I/O pins

●— Five dedicated inputs including four clock pins

●• Simple timing model

●— No fanout delays

●— No expander delays

●— No dedicated vs. I/O pin delays

●— No additional delay through PIM

●— No penalty for using full 16 product terms

●— No delay for steering or sharing product terms

●• 3.3V and 5V versions

●• PCI-compatible[1]

●• Programmable bus-hold capabilities on all I/Os

●• Intelligent product term allocator provides:

●— 0 to 16 product terms to any macrocell

●— Product term steering onan individual basis

●— Product term sharing among local macrocells

●• Flexible clocking

●— Four synchronous clocks per device

●— Product term clocking

●— Clock polarity control per logic block

●• Consistent package/pinout offering across all densities

●— Simplifies design migration

●— Same pinout for 3.3V and 5.0V devices

●• Packages

●— 44 to 400 leads in PLCC, CLCC, PQFP, TQFP, CQFP, BGA, and Fine-Pitch BGA packages

●— Lead(Pb)-free packages available