参数资料
型号: MB89143AP-SH
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP64
封装: SHRINK, PLASTIC, DIP-64
文件页数: 15/31页
文件大小: 303K
代理商: MB89143AP-SH
22
MB89143A/144A
4. AC Characteristics
(1) Reset Timing
(AVR = VCC = 5.0 V
±10%, AVSS = VSS = 0.0 V, TA = –40°C to +85°C)
Note: tXCYL is the oscillation cycle (1/FCH) to input to the X0 pin.
(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.
Typ.
Max.
RST “L” pulse width
tZLZH
—48 tXCYL
——
ns
RST noise limit width
tZLNC
204060
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
tZLNC
0.2 V
2.0 V
0.2 V
tR
VCC
tOFF
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