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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 |
| Packaging | Tape & Reel (TR) |
| Number of Functions | 1 |
| Pbfree Code | yes |
| Radiation Hardening | No |
| Contact Plating | Gold |
| Lead Free | Lead Free |
| JESD-609 Code | e4 |
| Number of Pins | 8 |
| Number of Terminations | 8 |
| Alternate Memory Width | 8 |
| Terminal Position | DUAL |
| Supply Voltage | 5V |
| Memory Width | 16 |
| Technology | CMOS |
| REACH SVHC | No SVHC |
| Peak Reflow Temperature (Cel) | 260 |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Supply Voltage-Max (Vsup) | 5.5V |
| Factory Lead Time | 7 Weeks |
| Published | 2010 |
| Terminal Pitch | 1.27mm |
| Operating Temperature | -40°C~85°C TA |
| Data Retention Time-Min | 100 |
| Supply Voltage-Min (Vsup) | 4.5V |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Width | 3.9mm |
| Height Seated (Max) | 1.75mm |
| Memory Type | Non-Volatile |
| Memory Interface | SPI |
| Nominal Supply Current | 2mA |
| Memory Format | EEPROM |
| Write Cycle Time – Word, Page | 5ms |
| Write Cycle Time-Max (tWC) | 5ms |
| Interface | Serial |
| Clock Frequency | 2MHz |
| Endurance | 1000000 Write/Erase Cycles |
| Standby Current-Max | 0.000001A |
| Voltage – Supply | 1.7V~5.5V |
| Serial Bus Type | MICROWIRE |
| Write Protection | SOFTWARE |
| Density | 4 kb |
| Organization | 256X16 |
| Memory Size | 4Kb 512 x 8 256 x 16 |
| Additional Feature | ALSO OPERATES WITH 1.7V-5.5V AND 2.5V-5.5V SUPPLY |
| Base Part Number | AT93C66B |
| Length | 4.926mm |
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