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See Product Specifications
| Part Number: | PEF 22558 E V1.1-G | 
| Category: | Integrated Circuits (ICs) | 
| Subcategory: | Interface - Telecom | 
| Manufacturer: | Infineon Technologies | 
| Packaging: | Tray | 
| Product Status: | Obsolete | 
| Function: | Framer, Line Interface Unit (LIU) | 
| Interface: | E1, J1, SCI, SPI, T1 | 
| Number of Circuits: | 8 | 
| Voltage - Supply: | 1.8V, 3.3V | 
| Current - Supply: | - | 
| Power (Watts): | 150 mW | 
| Operating Temperature: | -40°C ~ 85°C | 
| Mounting Type: | Surface Mount | 
| Package / Case: | 256-LBGA | 
| Supplier Device Package: | PG-LBGA-256-1 |