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CY7C346B-35RCRI Datasheet(PDF) 1 Page - Cypress Semiconductor |
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CY7C346B-35RCRI Datasheet(HTML) 1 Page - Cypress Semiconductor |
1 / 15 page 128-Macrocell MAX® EPLD CY7C346B USE ULTRA37000™ FOR ALL NEW DESIGNS Cypress Semiconductor Corporation • 3901 North First Street • San Jose , CA 95134 • 408-943-2600 Document #: 38-03037 Rev. *C Revised April 9, 2004 Features • 128 macrocells in eight logic array blocks (LABs) • 20 dedicated inputs, up to 64 bidirectional I/O pins • Programmable interconnect array • Advanced 0.65-micron CMOS technology to increase performance • Available in 84-pin CLCC, PLCC, and 100-pin PGA, PQFP Functional Description The CY7C346B 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. The 128 macrocells in the CY7C346B 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 inter- connect array, allowing all signals to be routed throughout the chip. The speed and density of the CY7C346B allow 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 CY7C346B allows the replacement of over 50 TTL CY7C346B. By replacing large amounts of logic, the CY7C346B reduces board space, part count, and increases system reliability. MACROCELL 49 MACROCELL 50 MACROCELL 51 MACROCELL 52 MACROCELL 53 MACROCELL 54 MACROCELL 55 MACROCELL 56 MACROCELL 33 MACROCELL 34 MACROCELL 35 MACROCELL 36 MACROCELL 37 MACROCELL 38 MACROCELL 39 MACROCELL 40 MACROCELL 104 MACROCELL 103 MACROCELL 102 MACROCELL 101 MACROCELL 100 MACROCELL 99 MACROCELL 98 MACROCELL 97 MACROCELL 120 MACROCELL 119 MACROCELL 118 MACROCELL 117 MACROCELL 116 MACROCELL 115 MACROCELL 114 MACROCELL 113 MACROCELL 1 MACROCELL 2 MACROCELL 3 MACROCELL 4 MACROCELL 5 MACROCELL 6 MACROCELL 7 MACROCELL 8 MACROCELL 17 MACROCELL 18 MACROCELL 19 MACROCELL 20 MACROCELL 21 MACROCELL 22 MACROCELL 23 MACROCELL 24 Logic Block Diagram MACROCELL 88 MACROCELL 87 MACROCELL 86 MACROCELL 85 MACROCELL 84 MACROCELL 83 MACROCELL 82 MACROCELL 81 MACROCELL 121–128 MACROCELL 105–112 MACROCELL 86–96 MACROCELL 41–48 MACROCELL 25–32 MACROCELL 9–16 SYSTEM CLOCK P I A INPUT [59] (N4) 36 . INPUT [60] (M5) 37 . INPUT [61] (N5) 38 . INPUT [64] (N6) 41 . INPUT [65] (M7) 42 . INPUT [66] (L7) 43 . INPUT [67] (N7) 44 . INPUT [70] (L8) 47 . INPUT [71] (N9) 48 . INPUT [72] (M9) 49 . [100] (C13) NC [99] (D12) NC [98] (D13) 77 [97] (E12) 76 [96] (E13) 75 [95] (F11) 74 [92] (G13) 73 [91] (G11) 72 [90] (G12) NC [89] (H13) NC [86] (J13) 71 [85] (J12) 70 [84] (K13) 69 [83] (K12) 68 [82] (L13) 67 [81] (L12) 64 [80] (M13) NC [79] (M12) NC [78] (N13) 63 [77] (M11) 60 [76] (N12) 59 [75] (N11) 58 [74] (M10) 57 [73] (N10) 56 [58] (M4) NC [57] (N3) NC [56] (M3) 55 [55] (N2) 54 [54] (M2) 53 [53] (N1) 52 [52] (L2) 51 [51] (M1) 50 8 (B13) [1] 9(C12) [2] 10 (A13) [3] 11 (B12) [4] 12 (A12) [5] 13 (11) [6] NC (A11) [7] NC (B10) [8] 14 (A4) [23] 15 (B4) [24] 16 (A3) [25] 17 (A2) [26] 18 (B3) [27] 21 (A1) [28] NC (B2) [29] NC (B1) [30] 22 (C2) [31] 25 (C1) [32] 26 (D2) [33] 27 (D1) [34] 28 (E2) [35] 29 (E1) [36] NC (F1) [39] NC (G2) [40] 30 (G3) [41] 31 (G1) [42] 32 (H3) [45] 33 (J1) [46] 34 (J2) [47] 35 (K1) [48] NC (K2) [49] NC (L1) [50] LAB H LAB G LAB F LAB E LAB A LAB B LAB C LAB D 3, 20, 37, 54 (A6,B6,F12,F13,H1,H2,M8,N8) [18, 19, 43, 44, 68, 69, 93, 94] 16, 33, 50, 67 (B8,C8,F2,F3,H11,H12,L6,M6) [12, 13, 37, 38, 62, 63, 87, 88] VCC GND () – PERTAIN TO 100-PIN PGA PACKAGE 1 (C7) [16] INPUT/CLK . 78 (A10) [9] INPUT . ..... 79 (B9) [10] INPUT . ..... 80 (A9) [11] INPUT ..... 83 (A8) [14] INPUT . ..... 84 (B7) [15] INPUT . ..... 2 (A7) [17] INPUT . ..... 5 (C6) [20] INPUT . ..... 6 (A5) [21] INPUT . ..... 7 (B5) [22] INPUT . ..... MACROCELL 73– 80 MACROCELL 72 MACROCELL 71 MACROCELL 70 MACROCELL 69 MACROCELL 68 MACROCELL 67 MACROCELL 66 MACROCELL 65 MACROCELL 57– 64 [ ] – PERTAIN TO 100-PIN PQFP PACKAGE . |
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