OM4085 Philips Semiconductors, OM4085 Datasheet - Page 26

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

Philips Semiconductors
AC CHARACTERISTICS
V
Notes
1. All timing values referred to V
2. At f
1997 Feb 25
handbook, full pagewidth
f
f
t
t
t
t
t
I
t
t
t
t
t
t
t
t
t
t
CLK
CLKLP
CLKH
CLKL
PSYNC
SYNCL
PLCD
2
BUF
HD; STA
LOW
HIGH
SU; STA
HD; DAT
SU; DAT
r
f
SU; STO
SS
SYMBOL
C-bus
Universal LCD driver for low multiplex
rates
= 0 V; V
CLK
< 125 kHz, I
DD
oscillator frequency (normal mode)
oscillator frequency (power saving
mode)
CLK HIGH time
CLK LOW time
SYNC propagation delay
SYNC LOW time
driver delays with test loads
bus free time
START condition hold time
SCL LOW time
SCL HIGH time
START condition set-up time
(repeated start code only)
data hold time
data set-up time
rise time
fall time
STOP condition set-up time
= 2.0 to 6 V; V
2
C-bus maximum transmission speed is derated.
PARAMETER
(pins 13 to 16)
BP0 to BP3
LCD
(pin 4)
CLK
IH
= V
and V
DD
3.3 k
(2%)
IL
2.0 to V
levels with an input voltage swing of V
I load
0.5V DD
DD
Fig.19 Test loads.
25 A
SYNC
(pin 3)
V
V
V
DD
DD
LCD
CONDITIONS
6 V; T
= 5 V; note 2
= 3.5 V
= V
26
6.8 k
DD
(2%)
amb
= 40 to +85 C; unless otherwise specified; note 1.
(pins 17 to 40)
5 V
S0 to S23
SDA, SCL
(pins 1, 2)
V DD
125
21
1
1
1
4.7
4
4.7
4
4.7
0
250
4.7
MIN.
1.5 k
(2%)
SS
to V
I load
200
31
TYP.
DD
V DD
MGG387
15 A
.
315
48
400
30
1
300
Product specification
MAX.
OM4085
kHz
kHz
ns
ns
ns
s
s
s
s
s
s
s
s
s
s
s
s
UNIT