Datasheet

Section 22 Electrical Characteristics
Rev. 3.00 Sep. 10, 2007 Page 453 of 528
REJ09B0216-0300
22.3.7 Power-Supply-Voltage Detection Circuit Characteristics
Table 22.19 Power-Supply-Voltage Detection Circuit Characteristics
V
SS
= 0.0 V, T
a
= -20 to +75°C/-40 to +85°C, unless otherwise indicated.
Values
Item Symbol Min. Typ. Max. Unit
Power-supply falling detection
voltage
Vint (D) 2.8 2.9 3.05 V
Power-supply rising detection
voltage
Vint (U) 2.9 3.0 3.15 V
Reset detection voltage 1* Vreset1 — 2.3 2.6 V
Lower-limit voltage of LVDR
operation
V
LVDRmin
1.0 — — V
Note: * This voltage should be used when the falling and rising voltage detection function is
used.
22.3.8 LVDI External Input Voltage Detection Circuit Characteristics
Table 22.20 LVDI External Input Voltage Detection Circuit Characteristics
Vcc = 3.0 to 3.6 V, AVcc = 3.0 to 3.6 V, V
SS
= 0.0 V, T
a
= -20 to +75°C/-40 to +85°C
Values
Item Symbol
Test
Condition Min. Typ. Max. Unit
ExtD/ExtU input detection voltage Vexd 0.95 1.15 1.35 V
ExtD/ExtU input voltage range VextD/VextU VextD > VextU −0.3  Lower
voltage
of AV
cc
+ 0.3 or
V
cc
+
0.3
V