GENERAL DESCRIPTION

The MACH435 is a member of our high-performance EE CMOS MACH 4 family. This device has approximately twelve times the macrocell capability of the popular PAL22V10, with significant density and functional features that the PAL22V10 does not provide.

DISTINCTIVE CHARACTERISTICS

■ 84 Pins in PLCC

■ 128 Macrocells

■ 12 ns tPD

■ 83.3 MHz fCNT

■ 70 Inputs with pull-up resistors

■ 64 Outputs

■ 192 Flip-flops

— 128 Macrocell flip-flops

— 64 Input flip-flops

■ Up to 20 product terms per function, with XOR

■ Flexible clocking

— Four global clock pins with selectable edges

— Asynchronous mode available for each macrocell

■ 8 “PAL33V16” blocks

■ Input and output switch matrices for high routability

■ Fixed, predictable, deterministic delays

■ Pin compatible with MACH130, MACH131, MACH230, and MACH231