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DP8421V |
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| Part Number | DP8421V |
| Manufacturer | National Semiconductor |
| Description | The DP8420V 21V 22V-33 DP84T22-25 dynamic RAM controllers provide a low cost single chip interface between dynamic RAM and all 8- 16- and 32-bit systems The DP8420V 21V 22V-33 DP84T22-25 generate all ... |
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On chip high precision delay line to guarantee critical DRAM access timing parameters microCMOS process for low power High capacitance drivers for RAS CAS WE and DRAM address on chip On chip support for nibble page and static column DRAMs TRI-STATE outputs (DP84T22 only) Byte enable signals on chip allow byte writing in a word size up to 32 bits with no external logic Selection of controller speeds 25 MHz and 33 MHz On board Port A Port B (DP8422V DP84T22 only) refresh arbitration logic Direct interface to all major microprocessors (application notes available) 4 RAS ... |
| Document |
 DP8421V Data Sheet
PDF 824.36KB |
| Distributor | Stock | Price | Buy |
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| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | DP8421A |
National Semiconductor |
(DP8420A - DP8422A) microCMOS Programmable 256k/1M/4M Dynamic RAM Controller/Drivers |
|
| 2 | DP8420A |
National Semiconductor |
(DP8420A - DP8422A) microCMOS Programmable 256k/1M/4M Dynamic RAM Controller/Drivers |
|
| 3 | DP8420V |
National Semiconductor |
microCMOS Programmable 256k/1M/4M Dynamic RAM Controller/Drivers |
|
| 4 | DP8422A |
National Semiconductor |
(DP8420A - DP8422A) microCMOS Programmable 256k/1M/4M Dynamic RAM Controller/Drivers |
|
| 5 | DP8422V |
National Semiconductor |
microCMOS Programmable 256k/1M/4M Dynamic RAM Controller/Drivers |
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