NEC 78K0 Series User Manual page 608

Supply Voltage Rise Time (T
Parameter
Maximum time to rise to 1.8 V (V
: 0 V → 1.8 V)
(V
DD
Maximum time to rise to 1.8 V (V
(releasing RESET input → V
DD
Supply Voltage Rise Time Timing
• When RESET pin input is not used
Supply voltage
(V )
DD
1.8 V
t
PUP1
2.7 V POC Circuit Characteristics (T
Parameter
Detection voltage on application of supply
voltage
608
CHAPTER 29 ELECTRICAL SPECIFICATIONS (TARGET)
= −40 to +85°C, V
= EV
A SS
Symbol
(MIN.)) t POCMODE (option byte) = 0,
DD PUP1
when RESET input is not used
(MIN.)) t POCMODE (option byte) = 0,
DD PUP2
: 1.8 V) when RESET input is used
Time
= −40 to +85°C, V
A
Symbol
V POCMODE (option bye) = 1
DDPOC
Preliminary User's Manual U17260EJ3V1UD
= 0 V)
SS
Conditions MIN.
• When RESET pin input is used
Supply voltage
(V )
DD
1.8 V
V
POC
RESET pin
t
PUP2
= EV = 0 V)
SS SS
Conditions MIN.
2.50
TYP. MAX. Unit
3.6 ms
1.9 ms
Time
TYP. MAX. Unit
2.70 2.90 V