Datasheet

CHAPTER 19 ELECTRICAL SPECIFICATIONS
User’s Manual U18172EJ3V0UD
306
LVI Circuit Characteristics (TA = −40 to +85°C)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
VLVI0 4.1 4.3 4.5 V
VLVI1 3.9 4.1 4.3 V
VLVI2 3.7 3.9 4.1 V
VLVI3 3.5 3.7 3.9 V
VLVI4 3.3 3.5 3.7 V
VLVI5 3.15 3.3 3.45 V
VLVI6 2.95 3.1 3.25 V
VLVI7 2.7 2.85 3.0 V
VLVI8 2.5 2.6 2.7 V
Detection voltage
V
LVI9 2.25 2.35 2.45 V
Response time
Note 1
tLD 0.2 2.0 ms
Minimum pulse width tLW 0.2 ms
Operation stabilization wait time
Note 2
tLWAIT 0.1 0.2 ms
Notes 1. Time required from voltage detection to interrupt output or internal reset signal generation.
2. Time required from setting LVION to 1 to operation stabilization.
Remarks 1. V
LVI0 > VLVI1 > VLVI2 > VLVI3 > VLVI4 > VLVI5 > VLVI6 > VLVI7 > VLVI8 > VLVI9
2. V
POC < VLVIm (m = 0 to 9)
LVI Circuit Timing
Supply voltage
(V
DD )
Detection voltage (MIN.)
Detection voltage (TYP.)
Detection voltage (MAX.)
t LW
t LD
t LWAIT
LVION 1
Time
Data Memory STOP Mode Low Supply Voltage Data Retention Characteristics (T
A = −40 to +85°C)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Data retention supply voltage VDDDR 2.0 5.5 V
Release signal set time tSREL 0 μ s