S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X ELECTRICAL DATA
17-3
Table 17-2. D.C. Electrical Characteristics (Continued)
(TA = − 25°C to + 85
°C, VDD = 2.0 V to 3.6 V)
Parameter Symbol Conditions Min Typ Max Unit
Input low
leakage current ILIL1 V
I = 0 V;
All input pins except nRESET,
ILIL2
− − –3 µA
ILIL2 V
I = 0 V;
XIN, XOUT, XTIN, XTOUT
− − –20
Output high
leakage current ILOH V
O = VDD
All output pins
− − 3
Output low
leakage current ILOL V
O = 0 V
All output pins
− − –3
Pull-up resistors RL1 VI = 0 V; VDD = 3V, TA = 25°C
Ports 0–6
40 70 100
kΩ
RL2 VI = 0 V; VDD = 3V, TA = 25°C
nRESET
220 360 500
Oscillator feed
back resistors ROSC1 VDD = 3 V, TA = 25 °C
XIN = VDD, XOUT = 0V
600 1700 3000 kΩ
ROSC2 VDD = 3 V, TA = 25 °C
XTIN = VDD, XTOUT = 0 V
2000 4000 8000
LCD voltage
dividing resistor RLCD TA = 25 °C 60 110 160
kΩ
⏐VLCD-COMi⏐
voltage drop
(i = 0-3)
VDC − 15 µA per common pin − − 120 mV
⏐VLCD-SEGx⏐
voltage drop
(x = 0–31)
VDS − 15 µA per common pin − − 120
Middle output
voltage (1) VLC1 V
DD = 2.7 V to 3.6 V, 1/3 bias
LCD clock = 0Hz, VLC0 = VDD
2/3VDD–0.2 2/3VDD 2/3VDD+ 0.2 V
VLC2 1/3VDD–0.2 1/3VDD 1/3VDD+ 0.2
NOTE: It is middle output voltage when the VLC0 pin is opened.