Standard SRAM, 256KX4, 25ns, CMOS, PDSO28,
| Parameter Name | Attribute value |
| Maker | EDI [Electronic devices inc.] |
| Reach Compliance Code | unknow |
| Maximum access time | 25 ns |
| JESD-30 code | R-PDSO-J28 |
| memory density | 1048576 bi |
| Memory IC Type | STANDARD SRAM |
| memory width | 4 |
| Number of functions | 1 |
| Number of ports | 1 |
| Number of terminals | 28 |
| word count | 262144 words |
| character code | 256000 |
| Operating mode | ASYNCHRONOUS |
| Maximum operating temperature | 125 °C |
| Minimum operating temperature | -55 °C |
| organize | 256KX4 |
| Output characteristics | 3-STATE |
| Exportable | YES |
| Package body material | PLASTIC/EPOXY |
| Package shape | RECTANGULAR |
| Package form | SMALL OUTLINE |
| Parallel/Serial | PARALLEL |
| Certification status | Not Qualified |
| Maximum supply voltage (Vsup) | 5.5 V |
| Minimum supply voltage (Vsup) | 4.5 V |
| Nominal supply voltage (Vsup) | 5 V |
| surface mount | YES |
| technology | CMOS |
| Temperature level | MILITARY |
| Terminal form | J BEND |
| Terminal location | DUAL |
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