STM7E1 数据手册 ( 数据表 ) - STMicroelectronics

Description
The STM7E1A consists of 7 identical ISDN E1 channels, each channel corresponding to 4 main low-resistant switches (a and b) and 2 auxiliary switches (c and d). The switches positions in all the channels are identical and controlled by a unique control resource driven by the digital inputs Lm, Ls and Sc.
   
Features
■ Main switches max. RON less than 2 Ω
■ Provides 7 auxiliary switches with RON < 75 Ω
■ 6 VPP amplitude of analog input signal
■ Digital inputs are TTL levels compatible