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CHAPTER 30 ELECTRICAL SPECIFICATIONS
User’s Manual U17473EJ2V0UD
652
1.59 V POC Circuit Characteristics (TA =
40 to +85°C, VSS = LVSS = 0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Detection voltage
VPOC
1.44
1.59
1.74
V
Power supply voltage rise
inclination
tPTH
VDD: 0 V
→ change inclination of VPOC
0.5
V/ms
Minimum pulse width
tPW
200
μs
POC Circuit Timing
Supply voltage
(VDD)
Time
Detection voltage (MIN.)
Detection voltage (TYP.)
Detection voltage (MAX.)
tPTH
tPW
Supply Voltage Rise Time (TA =
40 to +85°C, VSS = LVSS = 0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Maximum time to rise to 1.8 V (VDD (MIN.))
(VDD: 0 V
→ 1.8 V)
tPUP1
POCMODE (option byte) = 0,
when RESET input is not used
3.6
ms
Maximum time to rise to 1.8 V (VDD (MIN.))
(releasing RESET input
→ VDD: 1.8 V)
tPUP2
POCMODE (option byte) = 0,
when RESET input is used
1.9
ms
Supply Voltage Rise Time Timing
When RESET pin input is not used
When RESET pin input is used
Supply voltage
(VDD)
Time
1.8 V
tPUP1
Supply voltage
(VDD)
Time
1.8 V
tPUP2
VPOC
RESET pin
2.7 V POC Circuit Characteristics (TA =
40 to +85°C, VSS = LVSS = 0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Detection voltage on application of supply
voltage
VDDPOC
POCMODE (option bye) = 1
2.50
2.70
2.90
V
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