参数资料
型号: MB90487PF
厂商: FUJITSU LTD
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP100
封装: PLASTIC, QFP-100
文件页数: 102/113页
文件大小: 1195K
代理商: MB90487PF
MB90480/485 Series
89
(4) Power-on Reset Standards
(VCC
= 2.7 V to 3.6 V, VSS = 0.0 V, TA = 40 °C to +85 °C)
* : Power rise time requires VCC
< 0.2 V.
Notes:
The above standards are for the application of a power-on reset.
Within the device, the power-on reset should be applied by switching the power supply off and on again.
Parameter
Symbol
Pin name
Conditions
Value
Unit
Remarks
Min
Max
Power rise time
tR
VCC
30
ms
*
Power down time
tOFF
VCC
1
ms
In repeated operation
VCC
VSS
tR
tOFF
2.7 V
0.2 V
Rapid fluctuations in power supply voltage may trigger a power-on reset in some
cases. As shown below, when changing supply voltage during operation, it is rec-
ommended that voltage changes be suppressed and a smooth restart be applied.
The slope of voltage increase
should be kept within 50 mV/ms.
RAM data maintenance
Main power supply voltage
Sub power supply voltage
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