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*The following are the basic parameters of the product, involving the characteristics of the product and its category
| TYPE | DESCRIPTION |
|---|---|
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Mounting Type | Surface Mount |
| Mount | Surface Mount |
| Radiation Hardening | No |
| Part Status | Obsolete |
| Number of Pins | 8 |
| Operating Supply Voltage | 5V |
| Packaging | Tube |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 1.8V |
| Operating Temperature | -40°C~85°C TA |
| Package / Case | 8-SOIC (0.154, 3.90mm Width) |
| Memory Type | Non-Volatile |
| Memory Interface | SPI |
| Nominal Supply Current | 2mA |
| Memory Format | EEPROM |
| Technology | EEPROM |
| Supplier Device Package | 8-SOIC |
| Contact Plating | Gold, Tin |
| Interface | Serial |
| Voltage – Supply | 1.8V~5.5V |
| Frequency | 2MHz |
| Clock Frequency | 2MHz |
| Write Cycle Time – Word, Page | 10ms |
| Max Frequency | 250kHz |
| Density | 4 kb |
| Memory Size | 4Kb 512 x 8 256 x 16 |
| Base Part Number | AT93C66A |
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