| PartNumber | BR93L66RF-WE2 | BR93L66RFJ-WE2 | BR93L66RFV-WE2 |
| Description | EEPROM McrWre BUS 3-Wre 4K SOP8 EEPROM | EEPROM McrWre BUS 3-Wre 4K SOP-J8 EEPROM | EEPROM McrWre BUS 3-Wre 4K SSOP-B8 EEPROM |
| 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-8 | SOP-J-8 | TSSOP-8 |
| Memory Size | 4 kbit | 4 kbit | 4 kbit |
| Organization | 256 x 16 | 256 x 16 | 256 x 16 |
| Interface Type | Serial, 3-Wire, Microwire | Serial, 3-Wire, Microwire | Serial, 3-Wire, Microwire |
| Access Time | 200 ns | 200 ns | 200 ns |
| Data Retention | 40 Year | 40 Year | 40 Year |
| Maximum Clock Frequency | 0.5 MHz | 0.5 MHz | 0.5 MHz |
| Supply Voltage Min | 1.8 V | 1.8 V | 1.8 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | BR93L66-W | BR93L66-W | BR93L66-W |
| Packaging | Reel | Reel | Reel |
| Height | 1.5 mm | 1.38 mm | 1.15 mm |
| Length | 5 mm | 4.9 mm | 3 mm |
| Width | 4.4 mm | 3.9 mm | 4.4 mm |
| Brand | ROHM Semiconductor | ROHM Semiconductor | ROHM Semiconductor |
| Operating Supply Current | 4.5 mA | 4.5 mA | 4.5 mA |
| Operating Supply Voltage | 2.5 V, 3.3 V, 5 V | 2.5 V, 3.3 V, 5 V | 2.5 V, 3.3 V, 5 V |
| Product Type | EEPROM | EEPROM | EEPROM |
| Programming Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Factory Pack Quantity | 2500 | 2500 | 2500 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Part # Aliases | BR93L66RF-W | BR93L66RFJ-W | BR93L66RFV-W |
| Unit Weight | 0.030018 oz | - | - |