参数资料
型号: MB89P637P-SH
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PDIP64
封装: SHRINK, PLASTIC, DIP-64
文件页数: 27/59页
文件大小: 864K
代理商: MB89P637P-SH
MB89630R Series
33
(2) Specification for 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.
(3) Clock Timing
(AVSS = VSS = 0.0 V, TA = –40
°C to +85°C)
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
Min. interval time for the next
power-on reset
Parameter
Symbol
Pin name
Condition
Value
Unit
Remarks
Min.
Typ.
Max.
Clock frequency
FCH
X0, X1
1—
10
MHz
FCL
X0A, X1A
32.768
kHz
Clock cycle time
tHCYL
X0, X1
100
1000
ns
tLCYL
X0A, X1A
30.5
s
Input clock pulse width
PWH
PWL
X0
20
ns
External clock
PWLH
PWLL
X0A
15.2
s
External clock
Input clock rising/falling
time
tCR
tCF
X0
10
ns
External clock
0.2 V
2.0 V
0.2 V
tR
VCC
tOFF
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