| Photo | Mfr. Part # | Availability | Quantity | Datasheet | RoHs | Series | Package/Case | Packaging | Product Status | Function | Interface | Number of Circuits | Voltage - Supply | Current - Supply | Power (Watts) | Operating Temperature | Grade | Qualification | Mounting Type | Supplier Device Package | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
                 
                 
                
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                    PEF 20450 H V1.3IC TELECOM INTERFACE MQFP-100 Infineon Technologies  |  
                2,005 | 
                
                     | 
                 
                  
                    
                       Datasheet  | 
                   SWITI | 100-BQFP | Tray | Obsolete | Switching IC | PCM, PLL | 1 | 3.13V ~ 3.47V | 200mA | - | -40°C ~ 85°C | - | - | Surface Mount | PG-MQFP-100-2 | |
                 
                 
                
                 | 
				
                    CYV15G0101DXB-BBCIC TELECOM INTERFACE 100TBGA Infineon Technologies  |  
                2,310 | 
                
                     | 
                 
                  
                    
                       Datasheet  | 
                   HOTlink II™ | 100-LBGA | Tray | Obsolete | Transceiver | LVTTL | - | 3.135V ~ 3.465V | 390mA | - | 0°C ~ 70°C | - | - | Surface Mount | 100-TBGA (11x11) | |
                 
                 
                
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                    PEF 22504 HT V2.1IC TELECOM INTERFACE 144TQFP Infineon Technologies  |  
                2,363 | 
                
                     | 
                 
                  
                    
                       Datasheet  | 
                   QuadLIU™ | 144-LQFP | Tray | Obsolete | Line Interface Unit (LIU) | E1, J1, T1 | 4 | 1.8V, 3.3V | 230mA | 140 mW | -40°C ~ 85°C | - | - | Surface Mount | P-TQFP-144-6 | |
                 
                 
                
                 | 
				
                    PEF 20550 H V2.1IC TELECOM INTERFACE 80MQFP Infineon Technologies  |  
                1,278 | 
                
                     | 
                 
                  
                    
                       Datasheet  | 
                   ELIC® | 80-QFP | Tape & Reel (TR) | Obsolete | Line Card Controller | ISDN, PCM | 1 | 5V | 15mA | - | 0°C ~ 70°C | - | - | Surface Mount | P-MQFP-80-1 | |
                 
                 
                
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                    PEF3452H-V13IC TELECOM INTERFACE MQFP-44 Infineon Technologies  |  
                2,517 | 
                
                     | 
                 
                  
                    
                       Datasheet  | 
                   TE3-LIU™ | 44-QFP | Tray | Obsolete | Line Interface Unit (LIU) | DS3, E3, STS-1 | 1 | 3.13V ~ 3.46V | 155mA | - | -40°C ~ 85°C | - | - | Surface Mount | PG-MQFP-44-2 | |
                 
                 
                
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                    PEF 21624 E V2.2-GIC TELECOM INTERFACE LBGA-324 Infineon Technologies  |  
                1,093 | 
                
                     | 
                 
                  
                    
                       Datasheet  | 
                   SOCRATES™ | 324-LBGA | Tray | Obsolete | Symmetrical DSL Front End (SDFE) | HDLC, Serial, TDM | 1 | - | - | 500 mW | -40°C ~ 85°C | - | - | Surface Mount | P-LBGA-324 | |
                 
                 
                
                 | 
				
                    PEF 21624 E V1.2-GIC TELECOM INTERFACE LBGA-324 Infineon Technologies  |  
                2,427 | 
                
                     | 
                 
                  
                    
                       Datasheet  | 
                   SOCRATES™ | 324-LBGA | Tray | Discontinued at Digi-Key | Symmetrical DSL Front End (SDFE) | ISDN, SHDSL | 1 | - | - | - | -40°C ~ 85°C | - | - | Surface Mount | P-LBGA-324 | |
                 
                 
                
                 | 
				
                    PEF 3452 H V1.3IC TELECOM INTERFACE MQFP-44 Infineon Technologies  |  
                1,891 | 
                
                     | 
                 
                  
                    
                       Datasheet  | 
                   - | 44-QFP | Tray | Discontinued at Digi-Key | Line Interface Unit (LIU) | DS3, E3, STS-1 | 1 | 3.13V ~ 3.46V | 110mA | - | -40°C ~ 85°C | - | - | Surface Mount | PG-MQFP-44-2 | |
                 
                 
                
                 | 
				
                    PEF 21628 E V1.2-GIC TELECOM INTERFACE 324-LBGA Infineon Technologies  |  
                1,375 | 
                
                     | 
                 
                  
                    
                       Datasheet  | 
                   SOCRATES™ | 324-LBGA | Tray | Obsolete | EFM-(Ethernet First Mile) Symmetrical DSL Transceiver | HDLC, Parallel, Serial | 1 | 1.5V, 3.3V | - | 650 mW | -40°C ~ 85°C | - | - | Surface Mount | PG-LBGA-324-2 | |
                 
                 
                
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                    PSB 21483 F V1.7IC TELECOM INTERFACE TQFP-144 Infineon Technologies  |  
                1,586 | 
                
                     | 
                 
                  
                    
                       Datasheet  | 
                   INCA™ | 144-LQFP | Tray | Discontinued at Digi-Key | CODEC | IOM-2 | 1 | - | - | - | - | - | - | Surface Mount | PG-TQFP-144 |