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| PartNumber | BR93L66RFVJ-WE2 | BR93L66RFV-WE2 | BR93L66RFV |
| Description | EEPROM MICROWIRE 4K BIT 256X16 2.5V/3.3V/5V | EEPROM McrWre BUS 3-Wre 4K SSOP-B8 EEPROM | |
| Manufacturer | ROHM Semiconductor | ROHM Semiconductor | - |
| Product Category | EEPROM | EEPROM | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSSOP-B8J-8 | TSSOP-8 | - |
| Memory Size | 4 kbit | 4 kbit | - |
| Organization | 256 x 16 | 256 x 16 | - |
| Interface Type | Serial, 3-Wire, Microwire | Serial, 3-Wire, Microwire | - |
| Access Time | 200 ns | 200 ns | - |
| Data Retention | 40 Year | 40 Year | - |
| Maximum Clock Frequency | 0.5 MHz | 0.5 MHz | - |
| Supply Voltage Min | 1.8 V | 1.8 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | BR93L46-W | BR93L66-W | - |
| Packaging | Reel | Reel | - |
| Height | 0.85 mm | 1.15 mm | - |
| Length | 3 mm | 3 mm | - |
| Width | 3 mm | 4.4 mm | - |
| Brand | ROHM Semiconductor | ROHM Semiconductor | - |
| Operating Supply Current | 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 | - |
| Product Type | EEPROM | EEPROM | - |
| Programming Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | - |
| Factory Pack Quantity | 2500 | 2500 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Part # Aliases | BR93L66RFVJ-W | BR93L66RFV-W | - |