參數(shù)資料
型號: M38C24M4-XXXFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64
文件頁數(shù): 52/91頁
文件大小: 1867K
代理商: M38C24M4-XXXFP
5. Electrical Characteristics
Page 56 of 85
Table 5.11
Voltage Detection Circuit Electrical Characteristics
(VCC1 = VCC2 = 3.0 to 5.5 V, VSS = 0 V, Topr = 25
°C unless otherwise specified)
NOTES:
1. Vdet4 > Vdet3
2. Vdet3r > Vdet3 is not guaranteed.
Table 5.12
Power Supply Circuit Timing Characteristics
NOTE:
1. When VCC1 = 5 V
Figure 5.1
Power Supply Timing Diagram
Symbol
Parameter
Measurement Condition
Standard
Unit
Min.
Typ.
Max.
Vdet4
Vdet4 detection voltage
VCC1 = 3.0 V to 5.5 V
3.3
3.8
4.4
V
Vdet3
Vdet3 detection voltage
3.0
V
Vdet3s
Hardware reset 2 hold voltage
2.0
V
Vdet3r
Hardware reset 2 release voltage
3.1
V
Symbol
Parameter
Measurement Condition
Standard
Unit
Min.
Typ.
Max.
td(P-R)
Wait time to stabilize internal supply voltage
when power-on
VCC1 = 3.0 to 5.5 V
2
ms
td(S-R)
Wait time to release hardware reset 2
VCC1 = Vdet3r to 5.5 V
20
ms
td(E-A)
Start-up time for Vdet3 and Vdet4 detection
circuit
VCC1 = 3.0 to 5.5 V
20
μs
td(P-R)
VCC1
CPU clock
Recommended
operating voltage
td(P-R)
Wait time to stabilize internal
supply voltage when power-on
td(S-R)
VCC1
CPU clock
Vdet3r
td(S-R)
Wait time to release
hardware reset 2
td(E-A)
Start-up time for Vdet3 and Vdet4
detection circuit
VC26, VC27
Vdet3 and Vdet4
detection circuit
Stop
Operating
VCC1 = VCC2 = 5V
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