Rev. 1.71
18
April 11, 2017
Rev. 1.71
19
April 11, 2017
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
HT66F002/HT66F0025/HT66F003/HT66F004
Cost-Effective A/D Flash MCU with EEPROM
LVR Electrical Characteristics
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
DD
Operating Voltage
—
—
1.9
—
5.5
V
V
LVR
Low Voltage Reset Voltage
—
LVR Enable, 2.1V option
-5%
2.10
+5%
V
V
BG
Reference Output with Buffer
—
T
J
= +25°C @3.15V
-5%
1.04
+5%
V
t
LVR
Low Voltage Width to Reset
—
—
160
320
640
μs
LCD Electrical Characteristics – HT66F004
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
I
BIAS
V
DD
/2 Bias Current for LCD
5V
ISEL[1:0]=00
17.5
25.0
32.5
μA
ISEL[1:0]=01
35
50
65
μA
ISEL[1:0]=10
70
100
130
μA
ISEL[1:0]=11
140
200
260
μA
V
SCOM
V
DD
/2 Voltage for LCD COM Port 2.2~5.5V No load
0.475
0.5
0.525
V
DD
Power on Reset Electrical Characteristics
Ta = 25°C
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
V
DD
Conditions
V
POR
V
DD
Start Voltage to Ensure Power-on Reset
—
—
—
—
100
mV
RR
POR
V
DD
Rising Rate to Ensure Power-on Reset
—
—
0.035
—
—
V/ms
t
POR
Minimum Time for V
DD
Stays at V
POR
to
Ensure Power-on Reset
—
—
1
—
—
ms
