| Part Number | DS21Q552BN+ | DS21Q554BN+ | 
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | 
| Category | Interface - Telecom | Interface - Telecom | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Function | Transceiver | Transceiver | 
| Interface | T1 | E1 | 
| Number of Circuits | 4 | 4 | 
| Voltage - Supply | 5V | 5V | 
| Current - Supply | - | - | 
| Power (Watts) | - | - | 
| Operating Temperature | - | - | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 256-BGA | 256-BGA | 
| Supplier Device Package | 256-BGA (27x27) | 256-BGA (27x27) |