MB89537H Datasheet, PDF (34/56 Pages) Fujitsu Component Limited. – 8-bit Original Microcontroller CMOS

MB89530H Series
4. AC Characteristics
(1) Reset Timing
Parameter
Symbol Condition
RST “L” pulse width
tZLZH

Note : tHCLY is the main clock oscillator period.
(VCC = 5.0 V, AVss = Vss = 0 V, TA = −40 °C to +85 °C)
Value
Min
Max
Unit
Remarks
48 tHCLY

ns
tZLZH
RST
0.2 VCC
0.2 VCC
(2) Power-on Reset
Parameter
Power on time
Power shutoff time
Symbol Condition
tR

tOFF

(AVss = Vss = 0 V, TA = −40 °C to +85 °C)
Value
Unit
Remarks
Min
Max
0.5
50
ms
1

ms
For repeated
operation
Note : Be sure that the power supply will come on within the selected oscillator stabilization period. Also, when
varying the supply voltage during operation, it is recommended that the supply voltage be increased gradually.
tR
3.5 V
VCC
0.2 V
0.2 V
tOFF
0.2 V
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