| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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25 pcs
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25 pcs | On Request | 1 | On Request | On Request | N/A | On Request | On Request |
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The DP8421AV-25 from Texas Instruments is a microCMOS programmable dynamic RAM controller and driver designed to interface between dynamic RAM and 8-, 16-, and 32-bit systems. It generates all necessary access control signal timing for DRAMs and includes an on-chip refresh request clock for automatic DRAM array refresh. Refreshes and accesses are arbitrated on-chip.
This controller supports various DRAM types, including nibble, page, and static column modes. It features on-chip high-precision delay lines to guarantee critical DRAM access timing parameters and high capacitance drivers for RAS, CAS, WE, and DRAM address signals. The device operates at speeds up to 25 MHz and supports a voltage range of 4.5V to 5.5V.
The DP8421AV-25 is available in a 68-PLCC (25.13x25.13) package and is suitable for surface mounting. It operates within a temperature range of 0°C to 70°C.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.50 | $1.50 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating voltage is 4.5V to 5.5V.
The operating temperature range is 0°C to 70°C.
It is available in a 68-PLCC (25.13x25.13) and a 68-LCC (J-Lead) package.
The controller speed is 25 MHz.
It is a Dynamic RAM (DRAM) controller.