Timer with Dialer Interface

General Description The HT1612 is a CMOS chip designed for dialer interface which drives 8 or 10 digits LCD. Various functions, such as displaying dialing number and conversation time, are provided. It normally shows blanks. The timer is started to tell users how long the conversation time h

文件：627.37 Kbytes 页数：14 Pages

HOLTEK

合泰

Timer with Dialer Interface

General Description\nThe HT1612 is a CMOS chip designed for dialer interface which drives 8 or 10 digits LCD. Various functions, such as displaying dialing number and conversation time, are provided.\nIt normally shows blanks. The timer is started to tell users how long the conversation time has bee • Operating voltage: 1.2V~1.7V\n• Dialing number and conversation time display\n• Conversation timer (Max. to 59 mins and 59 secs)\n• Operation current: 10µA (Typ.)\n• 32768Hz crystal\n• 8 or 10 digits LCD display driver, 3V, 1/2 bias, 1/3 duty (8 digits hand-held calculator LCD is used for 8 digits;

Holtek

合泰

Synchronous, Step-Down 800kHz PWM DC/DC Converter

文件：176.88 Kbytes 页数：8 Pages

LINER

凌力尔特

Synchronous, Step-Down 800kHz PWM DC/DC Converter

文件：176.88 Kbytes 页数：8 Pages

LINER

凌力尔特

Integrated Circuit AF PO, 0.7W for Battery Use

Features: Wide Operating Voltage (2V to 6V) Power Amplifier has High Output (430mW), Low Noise (0.25mVRMS) and Low Distortion (0.4) Maximum Output can be 700mW High Ripple Rejection Ratio (typically 46dB) Very Low High–Frequency Distortion and a Sort Cuppea Wave Form make this a Sup

文件：18.7 Kbytes 页数：2 Pages

NTE