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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 | 
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 
| Mounting Type | Surface Mount | 
| Mount | Surface Mount | 
| Number of Functions | 1 | 
| Number of Ports | 1 | 
| ECCN Code | EAR99 | 
| Pbfree Code | yes | 
| JESD-609 Code | e3 | 
| Number of Pins | 8 | 
| Number of Terminations | 8 | 
| Pin Count | 8 | 
| Terminal Position | DUAL | 
| Factory Lead Time | 6 Weeks | 
| Packaging | Tube | 
| Operating Supply Voltage | 3.3V | 
| Qualification Status | Not Qualified | 
| Technology | CMOS | 
| Peak Reflow Temperature (Cel) | 260 | 
| Published | 2011 | 
| Time@Peak Reflow Temperature-Max (s) | 40 | 
| Supply Voltage | 3V | 
| Terminal Pitch | 0.65mm | 
| Supply Voltage-Max (Vsup) | 3.6V | 
| Supply Voltage-Min (Vsup) | 2.7V | 
| Standby Voltage-Min | 2.7V | 
| Nominal Supply Current | 10mA | 
| Length | 4.5mm | 
| Operating Temperature | -40°C~125°C TA | 
| Memory Interface | SPI | 
| Output Characteristics | 3-STATE | 
| Clock Frequency | 20MHz | 
| Memory Type | Volatile | 
| Terminal Finish | Matte Tin (Sn) – annealed | 
| Word Size | 8b | 
| Memory Format | SRAM | 
| Voltage – Supply | 2.7V~3.6V | 
| Width | 3.1mm | 
| Sync/Async | Synchronous | 
| Interface | SPI, Serial | 
| Access Time | 25 ns | 
| Height | 1.05mm | 
| Package / Case | 8-TSSOP (0.173, 4.40mm Width) | 
| Memory Size | 256Kb 32K x 8 | 
| Density | 256 kb | 
| I/O Type | SEPARATE | 
| Address Bus Width | 1b | 
| Standby Current-Max | 0.000004A | 
| Base Part Number | 23K256 | 
*The following components have specifications similar
*The following five components have specifications similar