OM4085 Philips Semiconductors, OM4085 Datasheet - Page 25

• Manufacturer Part Number: OM4085
• Description: Universal LCD driver for low multiplex rates
• Manufacturer: Philips Semiconductors

Philips Semiconductors
DC CHARACTERISTICS
V
Notes
1. Outputs open; inputs at V
2. Resets all logic when V
3. Periodically sampled, not 100% tested.
4. Outputs measured one at a time.
1997 Feb 25
Supplies
V
V
I
I
Logic
V
V
V
V
I
I
I
I
I
R
V
t
C
LCD outputs
V
V
Z
Z
SYMBOL
DD
LP
OL1
OH
OL2
LI
pd
sw
SS
BP
S
DD
LCD
IL
IH
OL
OH
ref
BP
S
puSYNC
i
Universal LCD driver for low multiplex
rates
= 0 V; V
DD
operating supply voltage
LCD supply voltage
operating supply current
(normal mode)
power saving mode supply current
LOW level input voltage
HIGH level input voltage
LOW level output voltage
HIGH level output voltage
LOW level output current
(CLK and SYNC)
HIGH level output current (CLK)
LOW level output current
(SDA and SCL)
leakage current
(SA0, CLK, OSC, A0, A1, A2, SCL
and SDA)
pull-down current
(A0, A1, A2 and OSC)
pull-up resistor (SYNC)
power-on reset level
tolerable spike width on bus
input capacitance
DC voltage component
(BP0 to BP3)
DC voltage component (S0 to S23)
output impedance (BP0 to BP3)
output impedance (S0 to S23)
= 2.0 to 6 V; V
PARAMETER
DD
SS
LCD
< V
or V
ref
= V
.
DD
DD
; external clock with 50% duty factor; I
2.0 to V
f
V
f
A1 and A2 tied to V
note 1
I
I
V
V
V
V
V
note 2
note 3
C
C
V
V
DD
CLK
CLK
O
O
DD
OL
OH
OL
I
I
LCD
LCD
BP
S
= 0 mA
= 0 mA
= V
= 1 V; V
= 5 nF
= 1 V; V
= 0.4 V; V
= 200 kHz; note 1
= 35 kHz; A0,
= 35 nF
= 3.5 V; V
= 4 V; V
6 V; T
CONDITIONS
= V
= V
SS
25
DD
or V
DD
DD
amb
DD
DD
DD
5 V; note 4
= 5 V
5 V; note 4
DD
LCD
= 40 to +85 C; unless otherwise specified.
= 5 V
= 5 V
= 5 V
= 0 V;
SS
;
2.0
V
V
0.7V
V
1
3
15
15
2
C-bus inactive.
DD
SS
DD
MIN.
DD
6
0.05
30
15
50
25
1.3
1
3
20
20
TYP.
Product specification
6
V
90
40
0.3V
V
0.05
150
60
2
100
7
5
7
1
1
DD
DD
MAX.
OM4085
DD
2.0 V
V
V
V
V
V
mA
mA
mA
k
V
ns
pF
mV
mV
k
k
UNIT
A
A
A
A