PT6547 Datasheet, PDF (23/35 Pages) Princeton Technology Corp – LCD Driver IC with Key Input Function

LCD Driver IC with Key Input Function
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URL: http://www.princeton.com.tw
PT6547
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, Ta=25°C, VDD=5.0V, Vss=0V)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Hysteresis
VH
DIN, CLK, STB, /RES,
KI1 to KI5
-
0.1VDD
-
V
Power-down detection
voltage
VDET
3.5
-
-
V
Input high level voltage
IIH
DIN, CLK, STB, /RES:
VI=VDD
-
-
5.0
µA
Input high level current
IIL
DIN, CLK, STB, /RES:
VI=0V
5.0
-
-
µA
Input floating voltage
VIF KI1 to KI5
-
-
0.05VLCD V
Pull-down resistance
RPD KI1 to KI5: VLCD=5.0V
50
100
250
KΩ
Output off leakage current IOFFH DOUT: VO=6.0V
-
-
6.0
µA
VOH1 KS1 to KS6: IO=-500µA
VLCD-1.0 VLCD-0.5 VLCD-0.2
Output high level voltage
VOH2 P1 to P8: IO=-1mA
VOH3 SG1 to SG76: IO=-20µA
VLCD-1.0
-
VLCD-1.0
-
-
-
V
VOH4 COM1 to COM4: IO=-100µA VLCD-1.0
-
-
VOL1 KS1 to KS6: IO=25µA
0.2
0.5
1.5
VOL2 P1 to P8: IO=1mA
-
-
1.0
Output low level voltage VOL3 SG1 to SG76: IO=20µA
-
-
1.0
V
VOL4 COM1 to COM4: IO=100µA
-
-
1.0
VOL5 DOUT: IO=1mA
-
0.1
0.5
VMID1
COM1 to COM4: 1/2 bias,
IO=±100µA
1/2VLCD-1.0
-
1/2VLCD+1.0
VMID2
SG1 to SG76:1/3 bias,
IO=±20µA
2/3VLCD-1.0
-
2/3VLCD+1.0
Output middle level
voltage (see Note.)
VMID3
SG1 to SG76: 1/3 bias,
IO=±20µA
1/3VLCD-1.0
-
1/3VLCD+1.0 V
VMID4
COM1 to COM4: 1/3 bias,
IO=±100µA
2/3VLCD-1.0
-
2/3VLCD+ 1.0
VMID5
COM1 to COM4: 1/3 bias,
IO=±100µA
1/3VLCD-1.0
-
1/3VLCD+ 1.0
Oscillator frequency
fOSC
OSC: ROSC=39 kΩ,
COSC=1000pF
30.4
38
45.6
KHz
IDD1 VDD: Sleep mode
-
-
150
IDD2
VDD: VDD=6.0V,
output open, fOSC=38KHz
-
405
810
IDD3 VLCD: Sleep mode
-
-
7.5
Current drain
VLCD: VLCD=6.0V,
IDD4 output open,1/2 bias,
-
300
600
µA
fOSC=38KHz
VLCD: VLCD=6.0V,
IDD5 output open, 1/3 bias,
-
180
360
fOSC=38KHz
PT6547 V1.2
- 23 -
January, 2006