| Part Number | DS1321E | DS1321 | 
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | 
| Category | Memory - Controllers | Memory - Controllers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Controller Type | Nonvolatile RAM | Nonvolatile RAM | 
| Voltage - Supply | 4.75V ~ 5.5V | 4.75V ~ 5.5V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Through Hole | 
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) | 16-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 20-TSSOP | 16-PDIP |