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4541 CMOS可编程振荡器、计时器
消耗积分:5 |
格式:rar |
大小:78 |
2009-08-08
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The CD4541BC Programmable Timer is designed with a
16-stage binary counter, an integrated oscillator for use
with an external capacitor and two resistors, output control
logic, and a special power-on reset circuit. The special features
of the power-on reset circuit are first, no additional
static power consumption and second, the part functions
across the full voltage range (3V–15V) whether power-on
reset is enabled or disabled.
Timing and the counter are initialized by turning on power,
if the power-on reset is enabled. When the power is
already on, an external reset pulse will also initialize the
timing and counter. After either reset is accomplished, the
oscillator frequency is determined by the external RC network.
The 16-stage counter divides the oscillator frequency
by any of 4 digitally controlled division ratios.
16-stage binary counter, an integrated oscillator for use
with an external capacitor and two resistors, output control
logic, and a special power-on reset circuit. The special features
of the power-on reset circuit are first, no additional
static power consumption and second, the part functions
across the full voltage range (3V–15V) whether power-on
reset is enabled or disabled.
Timing and the counter are initialized by turning on power,
if the power-on reset is enabled. When the power is
already on, an external reset pulse will also initialize the
timing and counter. After either reset is accomplished, the
oscillator frequency is determined by the external RC network.
The 16-stage counter divides the oscillator frequency
by any of 4 digitally controlled division ratios.
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