HT46R016/HT46R017
Enhanced A/D 8-Bit OTP MCU
LVR Characteristics
Symbol
Parameter
VLVR1
VLVR2
VLVR3
VLVR4
VBG
Low Voltage Reset Voltage
Bandgap Reference Voltage with Buffer
ILVR
Additional Power Consumption
tBG
tLVR
tSRESET
VBG Turn On Stable Time
Low Voltage Width to Reset
Software Reset Width to Reset
Test Conditions
VDD
Conditions
LVR Enable, 2.1V selected
LVR Enable, 2.55V selected
—
LVR Enable, 3.15V selected
LVR Enable, 3.8V selected
—
—
3V
LVR enabled
5V
—
—
—
—
—
—
Min.
-5%×
Typ.
-3%
—
—
200
120
45
Ta=25°C
Typ. Max. Unit
2.1
V
2.55 +5%× V
3.15 Typ. V
3.8
V
1.25 +3% V
30 45 μA
60 90 μA
— — μs
240 480 μs
90 120 μs
Power-on Reset Characteristics
Symbol
Parameter
VPOR VDD Start Voltage to Ensure Power-on Reset
Test Conditions
VDD Conditions
—
—
Min.
—
Typ.
—
Ta=25°C
Max. Unit
100 mV
RRVDD VDD Raising Rate to Ensure Power-on Reset
—
tPOR
Minimum Time for VDD Stays at VPOR to Ensure
Power-on Reset
—
—
0.035 —
— V/ms
—
1
—
—
ms
V DD
tP O R
R R VDD
V POR
T im e
Rev. 1.00
11
July 16, 2012