HP 116A/117A/118A/119A系列通用芯片

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4B3T U INTERFACE CIRCUIT

SYSTEM OVERVIEW STU2071 (UIC) provides two transparent 64 kbit/s B channels, a transparent 16 kbit/s D channel, a transparent 1 kbit/s service channel and a 1 kbit/s maintenance channel for loop and error messages on subscriber lines. UIC enables full duplex continuous data transmission via the s

文件：280.4 Kbytes 页数：18 Pages

STMICROELECTRONICS

意法半导体

4B3T U INTERFACE CIRCUIT

SYSTEM OVERVIEW STU2071 (UIC) provides two transparent 64 kbit/s B channels, a transparent 16 kbit/s D channel, a transparent 1 kbit/s service channel and a 1 kbit/s maintenance channel for loop and error messages on subscriber lines. UIC enables full duplex continuous data transmission via the s

文件：280.4 Kbytes 页数：18 Pages

STMICROELECTRONICS

意法半导体

80 V - 1.5 A QUAD DARLINGTON SWITCHES

DESCRIPTION Designed to interface logic to a wide variety of high current, high voltageloads,thesedevices eachcontain four NPN darlington switches delivering up to 1.5 A with a specified minimum breakdown of 80 V and a sustaining voltage of 50 V. ■ OUTPUT CURRENT TO 1.5 A EACH DARLINGTON ■ MIN

文件：133.76 Kbytes 页数：7 Pages

STMICROELECTRONICS

意法半导体