參數(shù)資料
型號: PCF8549
廠商: NXP Semiconductors N.V.
英文描述: 65 x 102 pixels matrix LCD driver
中文描述: 65 × 102像素矩陣LCD驅(qū)動器
文件頁數(shù): 21/36頁
文件大?。?/td> 271K
代理商: PCF8549
1997 Nov 21
21
Philips Semiconductors
Product specification
65
×
102 pixels matrix LCD driver
PCF8549
DC CHARACTERISTICS
Table 7
V
DD1
= 1.5 to 6 V; V
DD2/2_HV
= 2.4 to 5.0 V; V
DD2
= V
DD2_HV
; V
SS1
= V
SS2
= V
SS2_HV
= 0 V; V
LCD
= 7 to 16 V;
T
amb
=
40 to +85
°
C; unless otherwise specified.
Note
1.
2.
3.
4.
When a display is connected the I
VDD2_HV
increases with 7 x display load current due to 7 stage charge pump.
With external V
LCD
, the display load current does not translate into increased I
VDD2_HV
.
For TC1, TC2 and TC3
The maximum possible VLCD voltage that may be generated is dependent on voltage (V
DD2/2_HV
), temperature and
(display) load.
V
DD2
V
DD2_HV
connected together
Difference to the theoretical value given by equation 1
5.
6.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
V
DD1
Logic supply
voltage range
HV Generator
supply range
supply current
internal V
LCD
supply current
internal V
LCD
supply current
external V
LCD
supply current
external V
LCD
supply current
1.5
3
6
V
V
DD2,
V
DD2_HV
I
VDD1
2.4
5
V
V
LCD
= 10.0V; f
scl
= 0;
display load = 0;
V
LCD
= 10.0V; f
scl
= 0;
display load = 0;
(1)(5)
V
LCD
= 10.0V; f
scl
= 0;
display load = 0;
V
LCD
= 10.0V; f
scl
= 0;
display load = 0;
(2)(5)
power-down mode; V
LCD
= 0V;
f
scl
= 0; display load = 0
V
LCD
= 10 V; f
SCL
= 0,
display load = 0; (2)
V
DD
= 2.7V; V
LCD
= 10V; f
SCL
= 0;
display load = 0;
(3)(4)(6)
30
80
μ
A
I
VDD2/2_HV
600
1200
μ
A
I
VDD1
30
80
μ
A
I
VDD2/2_HV
0
10
μ
A
I
VDD1
0.5
10
μ
A
I
LCD
supply current
external V
LCD
V
LCD
tolerance
internal generated
LOW level input volt-
age
50
130
μ
A
V
LCD(tol)
+/- 500
mV
V
IL
V
SS
0.3V
DD
V
V
IH
HIGH level input
voltage
0.7 V
DD
V
DD
V
I
OL
LOW level output
current (SDA)
leakage current
Row output resis-
tance R0 to R64
Column output resis-
tance C0 to C101
V
OL
= 0.4V;
V
DD1
= 5 V
V
I
= V
DD1
or V
SS1
3.0
mA
I
L
R
ROW
-1
+1
20
μ
A
kOhm
12
R
COL
12
20
kOhm
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