HT16C21
D.C. Characteristics
VSS = 0V; VDD = 2.4 to 5.5V; Ta =-40~85°C
Test Condition
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
—
Condition
VDD
Operating Voltage
Operating Voltage
—
—
2.4
—
—
—
5.5
V
V
VLCD
—
VDD
No load, VLCD=VDD, 1/3bias,
fLCD=80Hz, LCD display on,
internal system oscillator on,
DA0~DA3 are set to "0000"
3V
5V
3V
5V
—
—
—
—
18
25
2
27
40
5
μA
μA
μA
μA
IDD
Operating Current
No load, VLCD=VDD, 1/3bias
fLCD=80Hz, LCD display off,
internal system oscillator on,
DA0~DA3 are set to "0000"
IDD1
Operating Current
Standby Current
4
10
No load, VLCD=VDD
LCD display off,
,
3V
5V
—
—
—
—
—
1
2
μA
μA
V
ISTB
internal system oscillator off
VIH
VIL
IIL
Input High Voltage
Input Low Voltage
Input Leakage Current
SDA ,SCL
0.7VDD
0
—
VDD
0.3VDD
1
—
SDA, SCL
—
V
—
VIN = VSS or VDD
-1
—
μA
mA
mA
μA
μA
μA
μA
μA
μA
μA
μA
3V
5V
3
—
—
VOL=0.4V
SDA
IOL
Low Level Output Current
LCD COM Sink Current
LCD COM Source Current
LCD SEG Sink Current
LCD SEG Source Current
6
—
—
3V VLCD=3V, VOL=0.3V
5V VLCD=5V, VOL=0.5V
3V VLCD=3V, VOH=2.7V
5V VLCD=5V, VOH=4.5V
3V VLCD=3V, VOL=0.3V
5V VLCD=5V, VOL=0.5V
3V VLCD=3V, VOH=2.7V
5V VLCD=5V, VOH=4.5V
250
500
-140
-300
250
500
-140
-300
400
800
-230
-500
400
800
-230
-500
—
IOL1
IOH1
IOL2
IOH2
—
—
—
—
—
—
—
Rev. 1.00
6
November 22, 2011
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
