Standard SRAM, 256X4, 3.5ns, ECL, CQCC28, CERAMIC, LCC-28
| Parameter Name | Attribute value |
| Is it Rohs certified? | incompatible |
| Maker | Cypress Semiconductor |
| Parts packaging code | QLCC |
| package instruction | CERAMIC, LCC-28 |
| Contacts | 28 |
| Reach Compliance Code | compliant |
| ECCN code | EAR99 |
| Maximum access time | 3.5 ns |
| I/O type | SEPARATE |
| JESD-30 code | S-CQCC-J28 |
| JESD-609 code | e0 |
| length | 11.43 mm |
| memory density | 1024 bit |
| Memory IC Type | STANDARD SRAM |
| memory width | 4 |
| Negative supply voltage rating | -4.5 V |
| Number of functions | 1 |
| Number of ports | 1 |
| Number of terminals | 28 |
| word count | 256 words |
| character code | 256 |
| Operating mode | ASYNCHRONOUS |
| Maximum operating temperature | 85 °C |
| Minimum operating temperature | |
| organize | 256X4 |
| Output characteristics | OPEN-EMITTER |
| Exportable | NO |
| Package body material | CERAMIC, METAL-SEALED COFIRED |
| encapsulated code | QCCJ |
| Encapsulate equivalent code | LDCC28,.5SQ |
| Package shape | SQUARE |
| Package form | CHIP CARRIER |
| Parallel/Serial | PARALLEL |
| power supply | -4.5 V |
| Certification status | Not Qualified |
| Maximum seat height | 4.57 mm |
| Maximum slew rate | 0.22 mA |
| surface mount | YES |
| technology | ECL |
| Temperature level | OTHER |
| Terminal surface | Tin/Lead (Sn/Pb) |
| Terminal form | J BEND |
| Terminal pitch | 1.27 mm |
| Terminal location | QUAD |
| width | 11.43 mm |
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