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IDT70125L45JG Datasheet(PDF) 2 Page - Integrated Device Technology |
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IDT70125L45JG Datasheet(HTML) 2 Page - Integrated Device Technology |
2 / 15 page 6.42 IDT70121/IDT70125 High-Speed 2K x 9 Dual-Port Static RAM with Busy & Interrupt Industrial and Commercial Temperature Ranges 2 APRIL 05, 2006 . 05/27/04 A9R 8 9 10 11 12 13 14 15 16 17 18 IDT70121/125J J52-1(4) 19 A6L A7L A1L A2L A3L A4L A5L A8L I/O0L I/O1L I/O2L I/O3L 46 45 44 43 42 41 40 39 38 37 36 35 A5R A6R A0R A1R A2R A3R A4R A7R A8R I/O8R I/O7R INDEX 34 20 OER A9L 2654 drw 02 52-Pin PLCC Top View(5) Pin Configurations(1,2,3) Description The IDT70121/IDT70125 are high-speed 2K x 9 Dual-Port Static RAMs. The IDT70121 is designed to be used as a stand-alone 9-bit Dual- Port RAM or as a “MASTER” Dual-Port RAM together with the IDT70125 “SLAVE” Dual-Port in 18-bit-or-more word width systems. Using the IDT MASTER/SLAVE Dual-Port RAM approach in 18-bit-or-wider memory system applications results in full-speed, error-free operation without the need for additional discrete logic. Both devices provide two independent ports with separate control, address, and I/O pins that permit independent, asynchronous access for reads or writes to any location in memory. An automatic power-down feature,controlledby CE,permitstheon-chipcircuitryofeachporttoenter a very low standby power mode. The IDT70121/IDT70125 utilizes a 9-bit wide data path to allow for Data/Control and parity bits at the user’s option. This feature is especially usefulindatacommunicationsapplicationswhereitisnecessarytousea parity bit for transmission/reception error checking. Fabricated using IDT’s CMOS high-performance technology, these devices typically operate on only 675mW of power. Low-power (L) versions offer battery backup data retention capability with each port typically consuming 200µW from a 2V battery. The IDT70121/IDT70125 devices are packaged in a 52-pin PLCC. NOTES: 1. All VCC pins must be connected to power supply. 2. All GND pins must be connected to ground supply. 3. Package body is approximately .75 in x .75 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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