參數(shù)資料
型號: PCF8576C
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(dòng)器的低復(fù)用率
文件頁數(shù): 28/40頁
文件大?。?/td> 243K
代理商: PCF8576C
1998 Feb 06
28
Philips Semiconductors
Product specification
Universal LCD driver for low multiplex
rates
PCF8576
10 DC CHARACTERISTICS
V
DD
= 2 to 9 V; V
SS
= 0 V; V
LCD
= V
DD
2 V to V
DD
9 V; T
amb
=
40 to +85
°
C; unless otherwise specified.
Notes
1.
2.
3.
4.
5.
V
LCD
V
DD
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.
Resets all logic when V
DD
< V
POR
.
Periodically sampled, not 100% tested.
Outputs measured one at a time.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
V
DD
V
LCD
I
DD
supply voltage
LCD supply voltage
supply current
normal mode
power-saving mode
2
V
DD
9
9
V
DD
2
V
V
note 1
note 2
f
clk
= 200 kHz
f
clk
= 35 kHz; V
DD
= 3.5 V;
V
LCD
= 0 V; A0, A1 and A2
connected to V
SS
180
60
μ
A
μ
A
Logic
V
IL
V
IH
V
OL
V
OH
I
OL1
LOW-level input voltage
HIGH-level input voltage
LOW-level output voltage
HIGH-level output voltage
LOW-level output current
CLK, SYNC
HIGH-level output current CLK
LOW-level output current
SDA and SCL
leakage current SA0, A0 to A2,
CLK, SDA and SCL
leakage current OSC
A0, A1, A2 and OSC pull-down
current
pull-up resistor (SYNC)
Power-on reset voltage level
input capacitance
V
SS
0.7V
DD
V
DD
0.05
1
0.3V
DD
V
DD
0.05
V
V
V
V
mA
I
OL
= 0 mA
I
OH
= 0 mA
V
OL
= 1 V; V
DD
= 5 V
I
OH1
I
OL2
V
OH
= 4 V; V
DD
= 5 V
V
OL
= 0.4 V; V
DD
= 5 V
1
3
mA
mA
I
L1
V
I
= V
DD
or V
SS
1
μ
A
I
L2
I
pd
V
I
= V
DD
V
I
= 1 V; V
DD
= 5 V
20
50
1
150
μ
A
μ
A
R
SYNC
V
POR
C
I
20
50
1.0
150
1.6
7
k
V
pF
note 3
note 4
LCD outputs
V
BP
V
S
R
BP
R
S
DC voltage component BP0 to BP3
DC voltage component S0 to S39
output resistance BP0 to BP3
output resistance S0 to S39
C
BP
= 35 nF
C
S
= 5 nF
note 5; V
LCD
= V
DD
5 V
note 5; V
LCD
= V
DD
5 V
20
20
5
7.5
mV
mV
k
k
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