 |  |  | |
| PartNumber | BU9891GUL-WE2 | BU9890GUL-WE2 | BU9892AFV-E2 |
| Description | EEPROM EEPROM Serial 4Kb | EEPROM EEPROM Serial-2Wire 32Kb | |
| Manufacturer | ROHM Semiconductor | ROHM Semiconductor | - |
| Product Category | EEPROM | EEPROM | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | VCSP50L1-6 | WLCSP-6 | - |
| Memory Size | 4 kbit | 32 kbit | - |
| Organization | 256 x 16 | 4 k x 8 | - |
| Interface Type | Serial, 3-Wire, Microwire | Serial, 2-Wire, I2C | - |
| Data Retention | 40 Year | 40 Year | - |
| Maximum Clock Frequency | 2 MHz | 400 kHz | - |
| Supply Current Max | 4 mA | 4.1 mA | - |
| Supply Voltage Min | 1.7 V | 2.7 V | - |
| Supply Voltage Max | 5.5 V | 3.3 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | BU9891GUL-W | BU9890GUL-W | - |
| Packaging | Reel | Reel | - |
| Brand | ROHM Semiconductor | ROHM Semiconductor | - |
| Operating Supply Current | 3 mA | 4.1 mA | - |
| Operating Supply Voltage | 1.7 V to 5.5 V | 2.7 V to 3.3 V | - |
| Product Type | EEPROM | EEPROM | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Part # Aliases | BU9891GUL-W | - | - |
| Unit Weight | - | 0.002328 oz | - |