參數(shù)資料
型號(hào): MB89174APF
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 7.16 MHz, MICROCONTROLLER, PQFP48
封裝: PLASTIC, QFP-48
文件頁(yè)數(shù): 27/50頁(yè)
文件大小: 626K
代理商: MB89174APF
33
MB89170/170A/170L Series
4. AC Characteristics
(1) Reset Timing
(VCC = 5.0 V
±10%, VSS = 0.0 V, TA = –40
°C to +85°C)
(2) Power-on Reset
(VSS = 0.0 V, TA = –40
°C to +85°C)
Note: Make sure that power supply rises within the oscillation stabilization time selected.
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 cut-off time
tOFF
1
ms
Due to repeated operations
0.2 VCC
RST
tZLZH
0.2 V
2.0 V
VCC
0.2 V
tR
tOFF
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