參數(shù)資料
型號: OM4085
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): 26/36頁
文件大?。?/td> 225K
代理商: OM4085
1997 Feb 25
26
Philips Semiconductors
Product specification
Universal LCD driver for low multiplex
rates
OM4085
AC CHARACTERISTICS
V
SS
= 0 V; V
DD
= 2.0 to 6 V; V
LCD
= V
DD
2.0 to V
DD
6 V; T
amb
=
40 to +85
°
C; unless otherwise specified; note 1.
Notes
1.
2.
All timing values referred to V
IH
and V
IL
levels with an input voltage swing of V
SS
to V
DD
.
At f
CLK
< 125 kHz, I
2
C-bus maximum transmission speed is derated.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
f
CLK
f
CLKLP
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
V
DD
= 5 V; note 2
V
DD
= 3.5 V
125
21
200
31
315
48
kHz
kHz
t
CLKH
t
CLKL
t
PSYNC
t
SYNCL
t
PLCD
1
1
1
400
30
μ
s
μ
s
ns
μ
s
μ
s
V
LCD
= V
DD
5 V
I
2
C-bus
t
BUF
t
HD; STA
t
LOW
t
HIGH
t
SU; STA
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
4.7
4
4.7
4
4.7
μ
s
μ
s
μ
s
μ
s
μ
s
t
HD; DAT
t
SU; DAT
t
r
t
f
t
SU; STO
0
250
4.7
1
300
μ
s
ns
μ
s
ns
μ
s
Fig.19 Test loads.
handbook, full pagewidth
MGG387
3.3 k
1.5 k
6.8 k
(2%)
(2%)
(2%)
CLK
(pin 4)
SDA, SCL
(pins 1, 2)
SYNC
(pin 3)
0.5VDD
VDD
VDD
S0 to S23
(pins 17 to 40)
Iload
15
μ
A
Iload
25
μ
A
BP0 to BP3
(pins 13 to 16)
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