参数资料
型号: MC68HC05P18ADWR2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PDSO28
封装: SOIC-28
文件页数: 16/38页
文件大小: 1200K
代理商: MC68HC05P18ADWR2
23
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
16 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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