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| PartNumber | DS28EL22Q+T | DS28EL25Q+T | DS28EL22Q+U |
| Description | EEPROM 1 WIRE 2KB E2 LOW VOLTAGE WITH SHA-256 TDFN T&R | EEPROM 1-WIRE 1.8V 4KB EEPROM WITH SHA-256 TDFN T&R | EEPROM 1 WIRE 2KB E2 LOW VOLTAGE WITH SHA-256 TDFN |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TDFN-6 | TDFN-6 | TDFN-6 |
| Memory Size | 2 kbit | 4 kbit | 2 kbit |
| Organization | 256 x 8 | 256 x 16 | 256 x 8 |
| Interface Type | Serial, 1-Wire, SDQ | Serial, 1-Wire, SDQ | Serial, 1-Wire, SDQ |
| Data Retention | 10 Year | 10 Year | 10 Year |
| Maximum Clock Frequency | - | - | - |
| Supply Current Max | 20 mA | 20 mA | 1 mA |
| Supply Voltage Min | 1.71 V | 1.71 V | 1.71 V |
| Supply Voltage Max | 1.89 V | 1.89 V | 1.89 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Series | DS28EL22 | DS28EL25 | DS28EL22 |
| Packaging | Reel | Reel | - |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Operating Supply Voltage | 1.71 V to 1.89 V | 1.71 V to 1.89 V | 1.8 V |
| Product Type | EEPROM | EEPROM | EEPROM |
| Factory Pack Quantity | 2500 | 2500 | 10 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Part # Aliases | 90-28L22+Q00 DS28EL22Q | 90-28L25+Q00 DS28EL25Q | 90-28L22+Q0U DS28EL22Q |
| Unit Weight | 0.001764 oz | 0.001764 oz | 0.001764 oz |
| Operating Supply Current | - | - | 5 uA |