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TC1278/TC1279 pdf datasheet
消耗积分:3 |
格式:rar |
大小:555 |
2008-08-05
刘敏
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The TC1278/TC1279 are cost-effective system supervisor
circuits designed to monitor VCC in digital systems
and provide a reset signal to the host processor when
necessary. No external components are required. The
open-drain output uses an internal pull-up resistor of
approximately 6 kΩ.
The reset output is driven active within 5 μs of VCC
falling through the reset voltage threshold. RESET is
maintained active for a minimum of 250 ms after VCC
rises above the reset threshold. The TC1278 has an
active-high RESET output, while the TC1279 has an
active-low RESET output, with both devices having an
open-drain output stage. The output is valid down to
VCC = 1.2V. Both devices are available in a 3-Pin
SOT- 23 package.
circuits designed to monitor VCC in digital systems
and provide a reset signal to the host processor when
necessary. No external components are required. The
open-drain output uses an internal pull-up resistor of
approximately 6 kΩ.
The reset output is driven active within 5 μs of VCC
falling through the reset voltage threshold. RESET is
maintained active for a minimum of 250 ms after VCC
rises above the reset threshold. The TC1278 has an
active-high RESET output, while the TC1279 has an
active-low RESET output, with both devices having an
open-drain output stage. The output is valid down to
VCC = 1.2V. Both devices are available in a 3-Pin
SOT- 23 package.
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