|Category||FPGAs/PLDs => PLDs (Programmable Logic Devices) => EPLD (Erasable PLD)|
|Title||EPLD (Erasable PLD)|
|Description||MAX340 High-density Epld|
|Company||Cypress Semiconductor Corp.|
|Datasheet||Download 5962-9314401MZX datasheet
128 macrocells in eight logic array blocks (LABs) 20 dedicated inputs, to 64 bidirectional I/O pins Programmable interconnect array 0.8-micron double-metal CMOS EPROM technology Available in 84-pin CLCC, PLCC, and 100-pin PGA, PQFP The 128 macrocells in the CY7C346 are divided into eight LABs, 16 per LAB. There are 256 expander product terms, 32 per LAB, to be used and shared by the macrocells within each LAB. Each LAB is interconnected through the programmable interconnect array, allowing all signals to be routed throughout the chip. The speed and density of the CY7C346 allow to be used in a wide range of applications, from replacement of large amounts of 7400-series TTL logic, to complex controllers and multifunction chips. With greater than 25 times the functionality of 20-pin PLDs, the CY7C346 allows the replacement of over 50 TTL devices. By replacing large amounts of logic, the CY7C346 reduces board space, part count, and increases system reliability.
The is an Erasable Programmable Logic Device (EPLD) in which CMOS EPROM cells are used to configure logic functions within the device. The MAX® architecture is 100% user-configurable, allowing the device to accommodate a variety of independent logic functions.
(B5) . INPUT/CLK..... INPUT..... INPUT INPUT..... SYSTEM CLOCK LAB A MACROCELL LAB H MACROCELL 120 MACROCELL 119 MACROCELL 118 MACROCELL 117 MACROCELL 116 MACROCELL 115 MACROCELL 114 MACROCELL 113 MACROCELL 121128 LAB G MACROCELL 104 MACROCELL 103 MACROCELL 102 MACROCELL 101 MACROCELL 100 MACROCELL 99 MACROCELL 98 MACROCELL I A MACROCELL 105112 LAB F MACROCELL 88 MACROCELL 87 MACROCELL 86 MACROCELL 85 MACROCELL 84 MACROCELL 83 MACROCELL 82 MACROCELL 81 MACROCELL 8696 LAB E MACROCELL (M1) 50 INPUT  INPUT  INPUT  INPUT  INPUT  INPUT  INPUT  INPUT  INPUT  INPUT (N9) (M9).MACROCELL PERTAIN TO 100-PIN PGA PACKAGE ] PERTAIN TO 100-PIN PQFP PACKAGE
7C346-25 Maximum Access Time Maximum Operating Current Commercial Military Industrial Maximum Standby Current Commercial Military Industrial 7C346-35 mA Unit ns mA
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