Standard SRAM, 256X4, 10ns, ECL10K, CDIP24, 0.400 INCH, CERAMIC, DIP-24
| Parameter Name | Attribute value |
| Maker | NEC Electronics |
| package instruction | 0.400 INCH, CERAMIC, DIP-24 |
| Reach Compliance Code | unknown |
| Maximum access time | 10 ns |
| JESD-30 code | R-CDIP-T24 |
| memory density | 1024 bit |
| Memory IC Type | STANDARD SRAM |
| memory width | 4 |
| Negative supply voltage rating | -5.2 V |
| Number of functions | 1 |
| Number of ports | 1 |
| Number of terminals | 24 |
| word count | 256 words |
| character code | 256 |
| Operating mode | ASYNCHRONOUS |
| Maximum operating temperature | 75 °C |
| Minimum operating temperature | |
| organize | 256X4 |
| Output characteristics | OPEN-EMITTER |
| Exportable | NO |
| Package body material | CERAMIC, METAL-SEALED COFIRED |
| encapsulated code | DIP |
| Package shape | RECTANGULAR |
| Package form | IN-LINE |
| Parallel/Serial | PARALLEL |
| Certification status | Not Qualified |
| Maximum seat height | 4.57 mm |
| surface mount | NO |
| technology | ECL10K |
| Temperature level | COMMERCIAL EXTENDED |
| Terminal form | THROUGH-HOLE |
| Terminal pitch | 2.54 mm |
| Terminal location | DUAL |
| width | 10.16 mm |





| UPB10422D-10 | UPB10422D-7 | |
|---|---|---|
| Description | Standard SRAM, 256X4, 10ns, ECL10K, CDIP24, 0.400 INCH, CERAMIC, DIP-24 | Standard SRAM, 256X4, 7ns, ECL10K, CDIP24, 0.400 INCH, CERAMIC, DIP-24 |
| Maker | NEC Electronics | NEC Electronics |
| package instruction | 0.400 INCH, CERAMIC, DIP-24 | 0.400 INCH, CERAMIC, DIP-24 |
| Reach Compliance Code | unknown | unknown |
| Maximum access time | 10 ns | 7 ns |
| JESD-30 code | R-CDIP-T24 | R-CDIP-T24 |
| memory density | 1024 bit | 1024 bit |
| Memory IC Type | STANDARD SRAM | STANDARD SRAM |
| memory width | 4 | 4 |
| Negative supply voltage rating | -5.2 V | -5.2 V |
| Number of functions | 1 | 1 |
| Number of ports | 1 | 1 |
| Number of terminals | 24 | 24 |
| word count | 256 words | 256 words |
| character code | 256 | 256 |
| Operating mode | ASYNCHRONOUS | ASYNCHRONOUS |
| Maximum operating temperature | 75 °C | 75 °C |
| organize | 256X4 | 256X4 |
| Output characteristics | OPEN-EMITTER | OPEN-EMITTER |
| Exportable | NO | NO |
| Package body material | CERAMIC, METAL-SEALED COFIRED | CERAMIC, METAL-SEALED COFIRED |
| encapsulated code | DIP | DIP |
| Package shape | RECTANGULAR | RECTANGULAR |
| Package form | IN-LINE | IN-LINE |
| Parallel/Serial | PARALLEL | PARALLEL |
| Certification status | Not Qualified | Not Qualified |
| Maximum seat height | 4.57 mm | 4.57 mm |
| surface mount | NO | NO |
| technology | ECL10K | ECL10K |
| Temperature level | COMMERCIAL EXTENDED | COMMERCIAL EXTENDED |
| Terminal form | THROUGH-HOLE | THROUGH-HOLE |
| Terminal pitch | 2.54 mm | 2.54 mm |
| Terminal location | DUAL | DUAL |
| width | 10.16 mm | 10.16 mm |