
Lattice Semiconductor
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