PSB21150F V1.4
64-LQFP
45191804-PSB21150F V1.4
ISDN S/T/U HDLC Interface 1-Line 192Kbps 3.3V 64-Pin TQFP
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.