HT1621B

7.000₫

Còn hàng
HT1621B SSOP-48
 Operating voltage: 2.4V~5.2V
 Built-in 256kHz RC oscillator
 External 32.768kHz crystal or 256kHz frequency
source input
 Selection of 1/2 or 1/3 bias, and selection of 1/2 or
1/3 or 1/4 duty LCD applications
 Internal time base frequency sources
 Two selectable buzzer frequencies (2kHz/4kHz)
 Power down command reduces power consumption
 Built-in time base generator and WDT
 Time base or WDT overflow output
 8 kinds of time base/WDT clock sources
 324 LCD driver

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