參數(shù)資料
型號: MB89F538PF-201
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 12.5 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 20 MM, 3.35 MM HEIGHT, 1 MM PITCH, PLASTIC, QFP-64
文件頁數(shù): 37/69頁
文件大?。?/td> 1239K
代理商: MB89F538PF-201
MB89530A Series
42
4.
AC Characteristics
(1) Reset Timing
(VCC
= 5.0 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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