参数资料
型号: PCF8579U7
厂商: NXP SEMICONDUCTORS
元件分类: 显示驱动器
英文描述: LCD column driver for dot matrix graphic displays
中文描述: LIQUID CRYSTAL DISPLAY DRIVER, UUC55
封装: DIE-56
文件页数: 25/40页
文件大小: 287K
代理商: PCF8579U7
1997 Apr 01
25
Philips Semiconductors
Product specification
LCD column driver for dot matrix graphic
displays
PCF8579
13 AC CHARACTERISTICS
All timing values are referred to V
IH
and V
IL
levels with an input voltage swing of V
SS
to V
DD
.
V
DD
= 2.5 to 6 V; V
SS
= 0 V; V
LCD
= V
DD
3.5 V to V
DD
9 V; T
amb
=
40 to +85
°
C; unless otherwise specified.
Note
1.
Typically 0.9 to 3.3 kHz.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
f
clk
t
PLCD
clock frequency
driver delays
50% duty factor
V
DD
V
LCD
= 9 V; with test loads
note 1
10
100
kHz
μ
s
I
2
C-bus
f
SCL
t
SW
t
BUF
t
SU;STA
t
HD;STA
t
LOW
t
HIGH
t
r
t
f
t
SU;DAT
t
HD;DAT
t
SU;STO
SCL clock frequency
tolerable spike width on bus
bus free time
START condition set-up time
START condition hold time
SCL LOW time
SCL HIGH time
SCL and SDA rise time
SCL and SDA fall time
data set-up time
data hold time
STOP condition set-up time
4.7
4.7
4.0
4.7
4.0
250
0
4.0
100
100
1.0
0.3
kHz
ns
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
ns
ns
μ
s
repeated start codes only
Fig.17 AC test loads.
MSA916
1.5 k
VDD
SDA
1 nF
C0 to C39
(2%)
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