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*The following are the basic parameters of the product, involving the characteristics of the product and its category
| TYPE | DESCRIPTION | 
|---|---|
| Part Status | Active | 
| RoHS Status | ROHS3 Compliant | 
| Mounting Type | Surface Mount | 
| Mount | Surface Mount | 
| Number of Functions | 1 | 
| Number of Ports | 1 | 
| Pbfree Code | yes | 
| Radiation Hardening | No | 
| Lead Free | Lead Free | 
| Memory Width | 8 | 
| Terminal Position | DUAL | 
| Supply Voltage | 5V | 
| Operating Supply Voltage | 5V | 
| Power Supplies | 5V | 
| Packaging | Tube | 
| Technology | CMOS | 
| Published | 2011 | 
| Operating Temperature | -40°C~85°C TA | 
| Factory Lead Time | 18 Weeks | 
| Number of Terminations | 28 | 
| Number of Pins | 28 | 
| Pin Count | 28 | 
| Memory Interface | Parallel | 
| Moisture Sensitivity Level (MSL) | 2 (1 Year) | 
| Voltage – Supply | 4.5V~5.5V | 
| Output Characteristics | 3-STATE | 
| Memory Type | Volatile | 
| Word Size | 8b | 
| JESD-609 Code | e2 | 
| Memory Format | SRAM | 
| Nominal Supply Current | 35mA | 
| I/O Type | COMMON | 
| Sync/Async | Asynchronous | 
| Terminal Finish | Tin/Copper (Sn/Cu) | 
| Access Time (Max) | 70 ns | 
| Write Cycle Time – Word, Page | 70ns | 
| Memory Size | 256Kb 32K x 8 | 
| Density | 256 kb | 
| Organization | 32KX8 | 
| Standby Current-Max | 0.000002A | 
| Address Bus Width | 15b | 
| Base Part Number | R1LP5256E | 
| Package / Case | 28-SOIC (0.330, 8.40mm Width) | 
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