| PEB2091N | V(cc): -0.3 to +7.0V; V(in/out): -0.3 to +0.3V; ISDN echocancellation circuit in 44-pin PLCC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| PEF2091F | V(cc): -0.3 to +7.0V; V(in/out): -0.3 to +0.3V; ISDN echocancellation circuit in 64-pin TQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| PEF2091H | V(cc): -0.3 to +7.0V; V(in/out): -0.3 to +0.3V; ISDN echocancellation circuit in 64-pin MQFP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| PEF2091N | V(cc): -0.3 to +7.0V; V(in/out): -0.3 to +0.3V; ISDN echocancellation circuit in 44-pin PLCC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| PEB2091 | ICs for Communications(ISDN Echocancellation Circuit) | Datasheet*) |
| PEB2091NV5.3 | ICs for Communications(ISDN Echocancellation Circuit) | Datasheet*) |
| PEF2091 | ICs for Communications(ISDN Echocancellation Circuit) | Datasheet*) |
| PEF2091FV5.3 | ICs for Communications(ISDN Echocancellation Circuit) | Datasheet*) |
| PEF2091HV5.3 | ICs for Communications(ISDN Echocancellation Circuit) | Datasheet*) |
| PEF2091NV5.3 | ICs for Communications(ISDN Echocancellation Circuit) | Datasheet*) |
