HT56R688 Просмотр технического описания (PDF) - Holtek Semiconductor
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HT56R688 Datasheet PDF : 104 Pages
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HT56R67/HT56R668/HT56C668/HT56R678/HT56C678/HT56R688
Power-on Reset Characteristics
Symbol
Parameter
VPOR
RRVDD
tPOR
VDD Start Voltage to Ensure
Power-on Reset
VDD raising rate to Ensure
Power-on Reset
Minimum Time for VDD Stays at
VPOR to Ensure Power-on Reset
Test Conditions
VDD
Conditions
¾
¾
¾
¾
¾
¾
Ta=25°C
Min. Typ. Max. Unit
¾
¾
0.035 ¾
1
¾
100 mV
¾ V/ms
¾
ms
V DD
tP O R
R R VDD
V POR
T im e
Rev. 1.60
13
May 21, 2012
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