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*The following are the basic parameters of the product, involving the characteristics of the product and its category
| TYPE | DESCRIPTION |
|---|---|
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Mounting Type | Through Hole |
| Mount | Through Hole |
| Number of Functions | 1 |
| RoHS Status | RoHS Compliant |
| ECCN Code | EAR99 |
| Pbfree Code | yes |
| Radiation Hardening | No |
| Contact Plating | Gold |
| Lead Free | Lead Free |
| Part Status | Obsolete |
| JESD-609 Code | e4 |
| Number of Pins | 8 |
| Number of Terminations | 8 |
| Pin Count | 8 |
| Memory Width | 8 |
| Terminal Position | DUAL |
| Supply Voltage | 5V |
| Operating Supply Voltage | 5V |
| Factory Lead Time | 6 Weeks |
| Packaging | Tube |
| Terminal Pitch | 2.54mm |
| Technology | CMOS |
| REACH SVHC | No SVHC |
| Published | 2007 |
| Operating Temperature | -40°C~85°C TA |
| Data Retention Time-Min | 100 |
| Width | 7.62mm |
| Memory Type | Non-Volatile |
| Memory Interface | SPI |
| Serial Bus Type | SPI |
| Clock Frequency | 20MHz |
| Halogen Free | Halogen Free |
| Memory Format | EEPROM |
| Write Cycle Time – Word, Page | 5ms |
| Write Cycle Time-Max (tWC) | 5ms |
| Nominal Supply Current | 4mA |
| Interface | SPI, Serial |
| Package / Case | 8-DIP (0.300, 7.62mm) |
| Voltage – Supply | 1.8V~5.5V |
| Height Seated (Max) | 5.33mm |
| Endurance | 1000000 Write/Erase Cycles |
| Access Time | 75 ns |
| Standby Current-Max | 0.000001A |
| Write Protection | HARDWARE/SOFTWARE |
| Length | 9.27mm |
| Memory Size | 256Kb 32K x 8 |
| Density | 256 kb |
| Additional Feature | 100 YEAR DATA RETENTION |
| Base Part Number | CAT25256 |
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