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IDT72511L40JB Datasheet(PDF) 2 Page - Integrated Device Technology |
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IDT72511L40JB Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 28 page 5.32 2 IDT72511/IDT72521 BIDIRECTIONAL FIRST-IN FIRST-OUT MEMORY MILITARY AND COMMERCIAL TEMPERATURE RANGES two Configuration Registers. The Reread and Rewrite controls will read or write Port B data blocks multiple times. The BiFIFO has three pins, REQ, ACK and CLK, to control DMA transfers from Port B devices. PIN CONFIGURATIONS DB13 DB14 DB17 FLGB FLGD A0 DA15 DA13 DA11 DB12 DB15 FLGA FLGC A1 DA17 DA14 DA12 DB13 PIO4 DB11 PIO5 DB10 DB9 DA9 DB8 GND PIO3 GND RB GND VCC WB VCC DB16 DB7 GND DB6 DB5 PIO2 DB4 DB3 DA7 DB13 DB2 DB13 DA10 DA8 LDRER DSA RS LDREW DA16 DA6 DB1 CLK REQ RER R/WA PIO0 DA0 DA2 DA5 DB0 ACK REW GND CSA PIO1 DA1 DA3 G68-1 PIN 1 DESIGNATOR 10 09 08 07 06 05 04 03 02 01 11 AB C D E F G H L K J 2668 drw 02 DA4 PGA TOP VIEW 35 36 37 38 39 40 41 43 42 10 11 12 13 14 60 59 58 57 56 INDEX D B2 D B3 D B5 D B6 D A5 D A6 D A16 PIO 2 1 62 61 15 LDREW 55 D B7 16 GND 54 D B16 17 RS 53 W B 18 V CC 52 V CC 19 DS A 51 RB 20 GND 50 GND 21 LDRER 49 GND 22 PIO 3 48 D B8 23 D A8 47 D B9 24 D A9 46 D B10 25 D A10 45 D B11 26 PIO 4 44 D B12 2 3 4 5 6 7 8 9 63 64 65 66 67 68 34 33 32 31 30 29 28 27 J68-1 D A7 D B4 (R/W ) B (DS ) B 2668 drw 03 PLCC TOP VIEW |
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