參數(shù)資料
型號(hào): MB91F158PMC1
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: RISC MICROCONTROLLER, PQFP120
封裝: 14 X 14 MM, 1.70 MM HEIGHT, 0.40 MM PITCH, PLASTIC, LQFP-120
文件頁(yè)數(shù): 74/92頁(yè)
文件大小: 2193K
代理商: MB91F158PMC1
MB91F158 Series
76
DS07-16316-2E
(3) Reset Input Ratings
(VCC
= 3.2 V to 3.5 V, VSS = AVSS = 0 V, TA = 0 °C to +70 °C)
(4) Power On Reset
(VCC
= 3.2 V to 3.5 V, VSS = AVSS = 0 V, TA = 0 °C to +70 °C)
Parameter
Symbol
Pin
name
Condition
Value
Unit
Remarks
Min
Max
Reset input time
tRSTL
RST
tCP
× 5
ns
Parameter
Symbol
Pin
name
Condition
Value
Unit
Remarks
Min
Max
Power supply rising time
fR
VCC
20
ms
VCC
< 0.2 V before
turning up the power
Power supply shutoff time
tOFF
2
ms
RST
tRSTL
0.2 VCC
VCC
tR
0.9
× VCC
0.2 V
Holding RAM data.
tOFF
VCC
VSS
VCC
RST
tRSTL
A rapid change in supply voltage might activate power on reset.
When the supply voltage needs to be varied while operating, it is recommended to minimize
fluctuations to smoothly start up the voltage.
It is recommended to keep the rising
in 50mV/ms or less.
When turning on the power, start the RST pin in
“L” level state, allow as much time as for tRSTL after
reaching the VCC power supply level and then set
the pin to the “H” level.
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