參數(shù)資料
型號： PCF8562
廠商： NXP Semiconductors N.V.
英文描述： Universal LCD driver for low multiplex rates
中文描述： 通用LCD驅(qū)動器的低復(fù)用率
文件頁數(shù)： 27/36頁
文件大?。?/td> 928K
代理商： PCF8562
November 22, 2004
27
Philips Semiconductors
Preliminary specification
Universal LCD driver
for low multiplex rates
PCF8562
10 DC CHARACTERISTICS
V
DD
= 1.8 to 5.5 V; V
SS
= 0 V; V
LCD
= 2.5 to 6.5 V; T
amb
=
40 to
+
85
°
C; unless otherwise specified.
Notes
1.
2.
3.
V
LCD
> 3 V for
1
3
bias.
LCD outputs are open-circuit; inputs at V
SS
or V
DD
; external clock with 50% duty factor; I
2
C-bus inactive.
When tested, I
2
C pins SCL and SDA have no diode to V
DD
and may be driven according to the V
i2
limiting values
given in Chapter 8. Also see Fig.21.
Periodically sampled, not 100% tested.
Outputs measured one at a time.
4.
5.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
V
DD
V
LCD
I
DD
I
LCD
Logic
supply voltage
LCD supply voltage
supply current
LCD supply current
1.8
2.5
8
24
5.5
6.5
20
60
V
V
μ
A
μ
A
note 1
note 2; f
CLK
= 1 536 Hz
note 2; f
CLK
= 1 536 Hz
V
IL
LOW-level input voltage
CLK, SYNC, OSC, A0 to A2 and SA0
HIGH-level input voltage
CLK, SYNC, OSC, A0 to A2 and SA0
LOW-level input voltage SCL, SDA
HIGH-level input voltage SCL, SDA
LOW-level output current CLK, SYNC V
OL
= 0.4 V; V
DD
= 5 V
HIGH-level output current CLK
LOW-level output current SDA
leakage current
CLK, SCL, SDA, A0 to A2 and SA0
leakage current OSC
power-on reset voltage level
input capacitance
V
SS
0.3V
DD
V
V
IH
0.7V
DD
V
DD
V
V
IL2
V
IH2
I
OL1
I
OH1
I
OL2
I
L1
V
SS
0.7V
DD
1
1
3
1
0.3V
DD
V
DD
+
1
V
V
mA
mA
mA
μ
A
note 3
V
OH
= 4.6 V; V
DD
= 5 V
V
OL
= 0.4 V; V
DD
= 5 V
V
I
= V
DD
or V
SS
I
L2
V
POR
C
I
LCD outputs
V
I
= V
DD
1
1.0
1.3
+
1
1.6
7
μ
A
V
pF
note 4
V
BP
V
S
R
BP
R
S
DC voltage tolerance BP0 to BP3
DC voltage tolerance S0 to S31
output resistance BP0 to BP3
output resistance S0 to S31
100
100
1.5
6.0
+
100
+
100
mV
mV
k
k
note 5; V
LCD
= 5 V
note 5; V
LCD
= 5 V
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