參數(shù)資料
型號(hào)： MB89PV870CF
元件分類： 微控制器/微處理器
英文描述： 8-BIT, 10 MHz, MICROCONTROLLER, CQFP80
封裝： CERAMIC, MQFP-80
文件頁(yè)數(shù)： 25/45頁(yè)
文件大?。?/td> 509K
代理商： MB89PV870CF
MB89870 Series
31
4.
AC Characteristics
(1) Reset Timing
(VCC = +5.0 V
±10%, AVSS = VSS = 0.0 V, TA = –40°C to +85°C)
Note:
tHCYL is the main clock oscillator period.
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.
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-on reset function only
Power supply cutoff time
tOFF
1
—
ms
Due to repeated operations
0.2 VCC
RST
tZLZH
0.2 V
2.0 V
0.2 V
tR
VCC
tOFF
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