MB89656AR FUJITSU [Fujitsu Component Limited.], MB89656AR Datasheet - Page 32

• Manufacturer Part Number: MB89656AR
• Description: 8-bit Proprietary Microcontroller
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

32
MB89650AR Series
4. AC Characteristics
(1) Reset Timing
(2) Power-on Reset
Note : Make sure that power supply rises within the selected oscillation stabilization time.
RST “L” pulse width
Power supply rising time
Power supply cut-off time
If power supply voltage needs to be varied in the course of operation, a smooth voltage rise is
recommended.
Parameter
Parameter
V
CC
RST
Symbol
t
OFF
t
R
Symbol
t
ZLZH
Condition
0.2 V
2.0 V
t
—
R
0.2 V
Condition
CC
(V
t
—
CC
ZLZH
Min
= +5.0 V 10%, AV
—
1
Value
0.2 V
Max
t
50
—
OFF
48 t
0.2 V
Min
HCYL
(AV
CC
Value
Unit
ms
ms
0.2 V
SS
SS
= V
= V
Power-on reset function only
Due to repeated operations
SS
SS
Max
—
= 0.0 V, T
= 0.0 V, T
Unit
Remarks
ns
A
A
= –40 C to +85 C)
= –40 C to +85 C)
Remarks