EIA/ITU PABX slic with 40mA Loop Feed; Temperature Range: 0°C to 70°C; Package: 24-SOIC low power slic with Battery Switch; Temperature Range: -40°C to 85°C; Package: 28-PLCC ITU CO/PABX slic with low power Standby; Temperature Range: 0°C to 70°C; Package: 28-PLCC Extended Reach ringing slic; Temperature Range: 0°C to 70°C; Package: 28-PLCC Communications Interface 通信接口 low power slic with Battery Switch; Temperature Range: -40°C to 85°C; Package: 28-PLCC 通信集成电路 Telecommunication IC 通信集成电路