STM7E1AR 数据手册 ( 数据表 ) - STMicroelectronics

DESCRIPTION
The STM7E1 consists in 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.
   
■ MAIN SWITCHES MAX. RON LESS THAN 2Ω
■ PROVIDES 7 AUXILIARY SWITCHES WITH
    RON < 75Ω
■ 6VPP AMPLITUDE OF ANALOG INPUT
    SIGNAL
■ DIGITAL INPUTS ARE TTL LEVELS
    COMPATIBLE