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IDT70914S25J Datasheet(PDF) 2 Page - Integrated Device Technology |
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IDT70914S25J Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 11 page 6.42 IDT70914S High-Speed 36K (4K x 9) Synchronous Dual-Port Static RAM Military, Industrial and Commercial Temperature Ranges 2 , 3490 drw 03 10 11 12 13 14 15 16 50 49 48 47 46 45 44 INDEX 17 18 19 20 21 22 23 24 25 26 51 52 53 54 55 56 57 58 59 60 98 7 6 54 3 2 1 68 67 66 65 64 63 62 61 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 A6L A7L A8L A9L A10L A11L OEL VCC R/ WL N/C N/C CEL GND I/O8L I/O7L I/O6L A7R A8R A9R A10R A11R OER GND GND R/ WR N/C N/C CER GND I/O8R I/O7R I/O6R IDT70914J J68-1(4) 68-Pin PLCC Top View(5) N/C N/C Pin Configurations(1,2,3) Description TheIDT70914isahigh-speed4Kx9bitsynchronousDual-PortRAM. The memory array is based on Dual-Port memory cells to allow simultaneous access from both ports. Registers on control, data, and address inputs provide low set-up and hold times. The timing latitude provided by this approach allow systems to be designed with very short cycletimes.Withaninputdataregister,thisdevicehasbeenoptimizedfor applications having unidirectional data flow or bi-directional data flow in bursts. The IDT70914 utilizes a 9-bit wide data path to allow for parity at the user's option. This feature is especially useful in data communication applications where it is necessary to use a parity bit for transmission/ reception error checking. Fabricated using IDT’s CMOS high-performance technology, these Dual-Ports typically operate on only 850mW of power at maximum high- speed clock-to-data output times as fast as 12ns. An automatic power down feature, controlled by CE,permitstheon-chipcircuitryofeachport to enter a very low standby power mode. The IDT70914 is packaged in a 68-pin PLCC, and an 80-pin TQFP. Militarygradeproductismanufacturedincompliancewiththelatestrevision of MIL-PRF-38535 QML, making it ideally suited for military temperature applications demanding the highest level of performance and reliability. NOTES: 1. All VCC pins must be connected to power supply. 2. All ground pins must be connected to ground supply. 3. J68-1 package body is approximately .95 in x .95 in x .17 in. 4. This package code is used to reference the package diagram. 5. This text does not indicate orientation of the actual part-marking. |
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