MB89P677APFM View Datasheet(PDF) - Fujitsu
Part Name
Description
Manufacturer
MB89P677APFM Datasheet PDF : 59 Pages
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MB89670/A Series
4. AC Characteristics
(1) Reset Timing
Parameter
RST “L” pulse width
Symbol
tZLZH
Condition
—
(AVSS = VSS = 0.0 V, TA = –40°C to +85°C)
Value
Unit Remarks
Min.
Max.
48 tHCYL
—
ns
tZLZH
RST
0.2 VCC
0.2 VCC
(2) Power-on Reset
Parameter
Power supply rising time
Power supply cut-off time
Symbol Condition
tR
—
tOFF
Value
Min. Max.
—
50
1
—
(AVSS = VSS = 0.0 V, TA = –40°C to +85°C)
Unit
Remarks
ms Power-on reset function only
ms Due to repeated operations
Note: Make sure that power supply rises within the selected oscillation stabilization time.
If power supply voltage needs to be varied in the course of operation, a smooth voltage rise is
recommended.
tR
tOFF
2.0 V
0.2 V
0.2 V
0.2 V
VCC
32
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