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package : PLCC-28
♦ As fast as 5-ns propagation delay and 142.8 MHz f MAX (external)
♦ Low-power EE CMOS
♦ 10 macrocells programmable as registered or combinatorial, and active high or active low to match application needs
♦ Varied product term distribution allows up to 16 product terms per output for complex functions
♦ Peripheral Component Interconnect (PCI) compliant (-5/-7/-10)
♦ Global asynchronous reset and synchronous preset for initialization
♦ Power-up reset for initialization and register preload for testability
♦ Extensive third-party software and programmer support
♦ 24-pin SKINNY DIP, 24-pin SOIC, and 28-pin PLCC
♦ 5-ns and 7.5-ns versions utilize split leadframes for improved performance
The PALCE22V10 provides user-programmable logic for replacing conventional SSI/NISI gates and flip-flops at a reduced chip count. The PALCE22V1OZ is an advanced PAL® device built with zero-power, high-speed, electrically-erasable CMOS technology. It provides user-programmable logic for replacing conventional zero-power CMOS SSI/MSI gates and flip-flops at a reduced chip count. The PALCE22V1OZ provides zero standby power and high speed. At 30 IAA maximum standby current, the PALCE22V1OZ allows battery-powered operation for an extended period. The PAL device implements the familiar Boolean logic transfer function, the sum of products. The PAL device is a programmable AND array driving a fixed OR array. The AND array is programmed to create custom product terms, while the OR array sums selected terms at the outputs. The product terms are connected to the fixed OR array with a varied distribution from 8 to16 across the outputs (see Block Diagram). The OR sum of the products feeds the output macrocell. Each macrocell can be programmed as registered or combinatorial, and active-high or active low. The output configuration is determined by two bits controlling two multiplexers in each macrocell.
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تهران -خ جمهوری - پاساژ امجد - طبقه زیر همکف - شماره 25
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