Fast Page DRAM, 256KX18, 60ns, CMOS, PDSO40, 0.400 INCH, PLASTIC, SOJ-40
| Parameter Name | Attribute value |
| Maker | Mitsubishi |
| Parts packaging code | SOJ |
| package instruction | SOJ, |
| Contacts | 40 |
| Reach Compliance Code | unknown |
| ECCN code | EAR99 |
| access mode | FAST PAGE |
| Maximum access time | 60 ns |
| Other features | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| JESD-30 code | R-PDSO-J40 |
| length | 26.04 mm |
| memory density | 4718592 bit |
| Memory IC Type | FAST PAGE DRAM |
| memory width | 18 |
| Number of functions | 1 |
| Number of ports | 1 |
| Number of terminals | 40 |
| word count | 262144 words |
| character code | 256000 |
| Operating mode | ASYNCHRONOUS |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| organize | 256KX18 |
| Package body material | PLASTIC/EPOXY |
| encapsulated code | SOJ |
| Package shape | RECTANGULAR |
| Package form | SMALL OUTLINE |
| Certification status | Not Qualified |
| refresh cycle | 1024 |
| Maximum seat height | 3.55 mm |
| Maximum supply voltage (Vsup) | 3.6 V |
| Minimum supply voltage (Vsup) | 3 V |
| Nominal supply voltage (Vsup) | 3.3 V |
| surface mount | YES |
| technology | CMOS |
| Temperature level | COMMERCIAL |
| Terminal form | J BEND |
| Terminal pitch | 1.27 mm |
| Terminal location | DUAL |
| width | 10.16 mm |
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