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| PartNumber | BR93A66RFJ-WME2 | BR93A66RFVM-WMTR | BR93A66RFVT-WME2 |
| Description | EEPROM McrWre BUS 3-Wre 4K SOP-J8 EEPROM | EEPROM ROHM SEMICONDUCTOR | EEPROM ROHM SEMICONDUCTOR |
| Manufacturer | ROHM Semiconductor | ROHM Semiconductor | ROHM Semiconductor |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOP-J-8 | MSOP-8 | TSSOP-B8 |
| Series | BR93A66-WM | - | - |
| Qualification | AEC-Q100 | AEC-Q101 | AEC-Q101 |
| Packaging | Reel | Reel | Reel |
| Brand | ROHM Semiconductor | ROHM Semiconductor | ROHM Semiconductor |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 2500 | 3000 | 3000 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Part # Aliases | BR93A66RFJ-WM | BR93A66RFVM-WM | BR93A66RFVT-WM |
| Unit Weight | 0.030018 oz | - | - |
| Memory Size | - | 4 kB | 4 kB |
| Organization | - | 256 x 16 | 256 x 16 |
| Interface Type | - | Serial, 3-Wire, Microwire | Serial, 3-Wire, Microwire |
| Data Retention | - | 40 Year | 40 Year |
| Maximum Clock Frequency | - | 2 MHz | 2 MHz |
| Supply Current Max | - | 3 mA | 3 mA |
| Supply Voltage Min | - | 2.5 V | 2.5 V |
| Supply Voltage Max | - | 5.5 V | 5.5 V |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Maximum Operating Temperature | - | + 105 C | + 105 C |
| Moisture Sensitive | - | Yes | Yes |
| Operating Supply Voltage | - | 2.5 V to 5.5 V | 2.5 V to 5.5 V |