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參數(shù)資料
| 型號： | PCF8801U |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顯示驅動器 |
| 英文描述： | LCD driver for 140 x 2 segments |
| 中文描述： | LIQUID CRYSTAL DISPLAY DRIVER, UUC174 |
| 封裝： | DIE |
| 文件頁數(shù)： | 10/20頁 |
| 文件大?。?/td> | 85K |
| 代理商： | PCF8801U |
2000 Feb 04
10
Philips Semiconductors
Product specification
LCD driver for 140
×
2 segments
PCF8801
Notes
1.
2.
3.
Outputs to LCD are unloaded (open-circuit); inputs are at V
SS
or V
DD
; R
ext
= 330 k
.
All Schmitt trigger inputs.
Measured one at a time; load current 30
μ
A.
AC CHARACTERISTICS
V
DD
= 2.7 to 5.5 V; V
SS
= 0 V; T
amb
=
40 to +85
°
C; unless otherwise specified; all timing parameter values are valid
within V
DD
and T
amb
range, and are referenced to V
IL
and V
IH
with an input voltage swing of V
SS
to V
DD
. The serial
interface timing parameters are defined in Fig.5.
Note
1.
Frequency accuracy is valid within V
DD
, T
amb
and R
ext
. Typical output duty cycle is 50 : 50.
Outputs to LCD
V
COM(tol)
output voltage tolerance
on pad COM1 and
pad COM2
output resistance on
pad COM1 and
pad COM2
output resistance on
pads S0 to S140
135
10 to +10 +135
mV
R
o(COM)
V
DD
= 5 V; note 3
5
30
k
R
o(S)
7
30
k
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
R
ext
f
osc
external resistor
oscillator frequency at
pad INT_OSCO and
pad OSCI
HIGH time on pad OSCI
LOW time on pad OSCI
data shift clock frequency
on pad CLKI
HIGH time on pads CLKI,
LDPI and LDNI
LOW time on pads CLKI,
LDPI and LDNI
set-up time DI to CLKI
data input hold time
264
240
330
500
396
1000
k
Hz
note 1
t
H(OSC)
t
L(OSC)
f
clk(CLK)
400
400
1000
ns
ns
kHz
t
H(CLK)(LD)
400
ns
t
L(CLK)(LD)
400
ns
t
su(DI-CLK)
t
h(D)
50
500
ns
ns
DI stable after CLKI
rise
t
sep
separation time between
active edges of CLKI,
LDPI and LDNI
800
ns
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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