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CY7C342B-30RI

製品説明
仕様・特性

fax id: 6107 1CY 7C34 2B CY7C342B 128-Macrocell MAX® EPLDs Features The 128 macrocells in the CY7C342B are divided into 8 Logic Array Blocks (LABs), 16 per LAB. There are 256 expander product terms, 32 per LAB, to be used and shared by the macrocells within each LAB. • • • • 128 macrocells in 8 LABs 8 dedicated inputs, 52 bidirectional I/O pins Programmable interconnect array Advanced 0.65-micron CMOS technology to increase performance • Available in 68-pin HLCC, PLCC, and PGA Each LAB is interconnected with a programmable interconnect array, allowing all signals to be routed throughout the chip. Functional Description The CY7C342B 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 devices to accommodate a variety of independent logic functions. The speed and density of the CY7C342B allows it 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 CY7C342B allows the replacement of over 50 TTL devices. By replacing large amounts of logic, the CY7C342B reduces board space, part count, and increases system reliability. Logic Block Diagram 1 (B6) INPUT/CLK INPUT (A7) 2 (A6) INPUT INPUT (A8) 68 66 32 (L4) INPUT INPUT (L6) 36 34 (L5) INPUT INPUT (K6) 35 SYSTEM CLOCK 4 (A5) 5 (B4) 6 (A4) 7 (B3) 8 (A3) 9 (A2) 10 (B2) 11 (B1) 12 (C2) 13 (C1) 14 (D2) 15 (D1) 17 (E1) LAB A MACROCELL 1 MACROCELL 2 MACROCELL 3 MACROCELL 4 MACROCELL 5 MACROCELL 6 MACROCELL 7 MACROCELL 8 MACROCELL 9-16 LAB H MACROCELL 120 MACROCELL 119 MACROCELL 118 MACROCELL 117 MACROCELL 116 MACROCELL 115 MACROCELL 114 MACROCELL 113 MACROCELL 121-128 LAB B MACROCELL 17 MACROCELL 18 MACROCELL 19 MACROCELL 20 MACROCELL 21 LAB G MACROCELL 101 MACROCELL 100 MACROCELL 99 MACROCELL 98 MACROCELL 97 MACROCELL 22-32 18 (F2) 19 (F1) 21 (G1) 22 (H2) 23 (H1) (D11) 57 (D10) 56 (E11) 55 (F11) 53 (F10) 52 MACROCELL 102-112 P I A LAB C MACROCELL 33 MACROCELL 34 MACROCELL 35 MACROCELL 36 MACROCELL 37 LAB F MACROCELL 85 MACROCELL 84 MACROCELL 83 MACROCELL 82 MACROCELL 81 MACROCELL 38-48 24 (J2) 25 (J1) 26 (K1) 27 (K2) 28 (L2) 29 (K3) 30 (L3) 31 (K4) (B8) 65 (A9) 64 (B9) 63 (A10) 62 (B10) 61 (B11) 60 (C11) 59 (C10) 58 MACROCELL 86-96 LAB D MACROCELL 49 MACROCELL 50 MACROCELL 51 MACROCELL 52 MACROCELL 53 MACROCELL 54 MACROCELL 55 MACROCELL 56 (G11) 51 (H11) 49 (H10) 48 (J11) 47 (J10) 46 LAB E MACROCELL 72 MACROCELL 71 MACROCELL 70 MACROCELL 69 MACROCELL 68 MACROCELL 67 MACROCELL 66 MACROCELL 65 (K11) 45 (K10) 44 (L10) 43 (L9) 42 (K9) 41 (L8) 40 (K8) 39 (L7) 38 MACROCELL 73- 80 MACROCELL 57- 64 3, 20, 37, 54 (B5, G2, K7, E10) VCC 16, 33, 50, 67 (E2, K5, G10, B7) () – PERTAIN TO 68-PIN PGA PACKAGE GND C342B-1 MAX is a registered trademark of Altera Corporation. Warp2 and Warp3 are registered trademarks of Cypress Semiconductor. Cypress Semiconductor Corporation • 3901 North First Street • San Jose • CA 95134 • 408-943-2600 October 1989 – Revised October 1995

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