| Part Number | DS28CZ04G-4+ | DS28CZ04G-4+T | 
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | 
| Category | Memory | Memory | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Memory Type | Non-Volatile | Non-Volatile | 
| Memory Format | EEPROM | EEPROM | 
| Technology | EEPROM | EEPROM | 
| Memory Size | 4Kb (512 x 8) | 4Kb (512 x 8) | 
| Memory Interface | I²C | I²C | 
| Clock Frequency | 400 kHz | 400 kHz | 
| Write Cycle Time - Word, Page | - | - | 
| Access Time | - | - | 
| Voltage - Supply | 2V ~ 5.25V | 2V ~ 5.25V | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 12-WQFN Exposed Pad | 12-WQFN Exposed Pad | 
| Supplier Device Package | 12-TQFN (4x4) | 12-TQFN (4x4) |