Fast Page DRAM, 4MX1, 70ns, CMOS, PDSO20, PLASTIC, SOJ-26/20
| Parameter Name | Attribute value |
| Maker | NEC Electronics |
| package instruction | PLASTIC, SOJ-26/20 |
| Reach Compliance Code | unknown |
| access mode | FAST PAGE |
| Maximum access time | 70 ns |
| Other features | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| JESD-30 code | R-PDSO-J20 |
| length | 17.4 mm |
| memory density | 4194304 bit |
| Memory IC Type | FAST PAGE DRAM |
| memory width | 1 |
| Number of functions | 1 |
| Number of ports | 1 |
| Number of terminals | 20 |
| word count | 4194304 words |
| character code | 4000000 |
| Operating mode | ASYNCHRONOUS |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| organize | 4MX1 |
| Output characteristics | 3-STATE |
| 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 | 3.8 mm |
| 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 | COMMERCIAL |
| Terminal form | J BEND |
| Terminal pitch | 1.27 mm |
| Terminal location | DUAL |
| width | 8.89 mm |
| UPD424100LB-70 | UPD424100LB-10 | UPD424100LB-80 | |
|---|---|---|---|
| Description | Fast Page DRAM, 4MX1, 70ns, CMOS, PDSO20, PLASTIC, SOJ-26/20 | Fast Page DRAM, 4MX1, 100ns, CMOS, PDSO20, PLASTIC, SOJ-26/20 | Fast Page DRAM, 4MX1, 80ns, CMOS, PDSO20, PLASTIC, SOJ-26/20 |
| package instruction | PLASTIC, SOJ-26/20 | PLASTIC, SOJ-26/20 | PLASTIC, SOJ-26/20 |
| Reach Compliance Code | unknown | unknown | unknown |
| access mode | FAST PAGE | FAST PAGE | FAST PAGE |
| Maximum access time | 70 ns | 100 ns | 80 ns |
| Other features | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| JESD-30 code | R-PDSO-J20 | R-PDSO-J20 | R-PDSO-J20 |
| length | 17.4 mm | 17.4 mm | 17.4 mm |
| memory density | 4194304 bit | 4194304 bit | 4194304 bit |
| Memory IC Type | FAST PAGE DRAM | FAST PAGE DRAM | FAST PAGE DRAM |
| memory width | 1 | 1 | 1 |
| Number of functions | 1 | 1 | 1 |
| Number of ports | 1 | 1 | 1 |
| Number of terminals | 20 | 20 | 20 |
| word count | 4194304 words | 4194304 words | 4194304 words |
| character code | 4000000 | 4000000 | 4000000 |
| Operating mode | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS |
| Maximum operating temperature | 70 °C | 70 °C | 70 °C |
| organize | 4MX1 | 4MX1 | 4MX1 |
| Output characteristics | 3-STATE | 3-STATE | 3-STATE |
| Package body material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | SOJ | SOJ | SOJ |
| Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Certification status | Not Qualified | Not Qualified | Not Qualified |
| refresh cycle | 1024 | 1024 | 1024 |
| Maximum seat height | 3.8 mm | 3.8 mm | 3.8 mm |
| Maximum supply voltage (Vsup) | 5.5 V | 5.5 V | 5.5 V |
| Minimum supply voltage (Vsup) | 4.5 V | 4.5 V | 4.5 V |
| Nominal supply voltage (Vsup) | 5 V | 5 V | 5 V |
| surface mount | YES | YES | YES |
| technology | CMOS | CMOS | CMOS |
| Temperature level | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| Terminal form | J BEND | J BEND | J BEND |
| Terminal pitch | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal location | DUAL | DUAL | DUAL |
| width | 8.89 mm | 8.89 mm | 8.89 mm |
| Maker | NEC Electronics | - | NEC Electronics |
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