参数资料
型号: MB89475PMC
厂商: FUJITSU LTD
元件分类: 微控制器/微处理器
英文描述: MICROCONTROLLER, PQFP48
封装: 7 X 7 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-48
文件页数: 24/52页
文件大小: 1359K
代理商: MB89475PMC
MB89470 Series
30
DS07-12552-2E
4.
AC Characteristics
(1) Reset Timing
(VCC
= 5.0 V, AVSS = VSS = 0.0 V, TA = 40 °C to +85 °C)
Notes :
tHCYL is the oscillation cycle (1/FC) to input to the X0 pin.
If the reset pulse applied to the external reset pin (RST) does not meet the specifications, it may cause
malfunctions. Use caution so that the reset pulse less than the specifications will not be fed to the external
reset pin (RST).
(2) Power-on Reset
(AVSS
= VSS = 0.0 V, TA = 40 °C to +85 °C)
Note : Make sure that power supply rises within the selected oscillation stabilization time.
Rapid changes in power supply voltage may cause a power-on reset. If power supply voltage needs to be
varied in the course of operation, a smooth voltage rise is recommended.
Parameter
Symbol
Condition
Value
Unit
Remarks
Min
Max
RST “L” pulse width
tZLZH
48 tHCYL
ns
Parameter
Symbol
Condition
Value
Unit
Remarks
Min
Max
Power supply rising time
tR
50
ms
Power supply cut-off time
tOFF
1
ms
Due to repeated operations
0.2 VCC
tZLZH
RST
0.2 V
3.5 V
0.2 V
tOFF
VCC
tR
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