參數(shù)資料
型號: MB89538P
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 12.5 MHz, MICROCONTROLLER, PDIP64
封裝: 17 X 58 MM, 5.65 MM HEIGHT, 1.778 MM PITCH, PLASTIC, SHDIP-64
文件頁數(shù): 33/65頁
文件大?。?/td> 1294K
代理商: MB89538P
MB89530 Series
39
4.
AC Characteristics
(1) Reset Timing
(VCC
= 3.0 V, AVss = Vss = 0 V, TA = 40 °C to +85 °C)
Notes :
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 V, TA = 40 °C to +85 °C)
Note : Be sure that the power supply will come on within the selected oscillator stabilization period. Also, when
varying the supply voltage during operation, it is recommended that the supply voltage be increased gradually.
Parameter
Symbol
Condition
Value
Unit
Min
Max
RST “L” pulse width
tZLZH
48 tHCYL
ns
Parameter
Symbol
Condition
Value
Unit
Remarks
Min
Max
Power on time
tR
0.5
50
ms
Power shutoff time
tOFF
1
ms
Waiting time until
power-on
RST
0.2 VCC
tZLZH
VCC
tR
2.2 V
0.2 V
tOFF
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