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PDF SCN6400G Data sheet ( Hoja de datos )
| Número de pieza | SCN6400G | |
| Descripción | 64-Common Dot-matrix STN LCD Driver | |
| Fabricantes | Avant Electronics | |
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DATA SHEET
www.DataSheet4U.com
SCN6400G
64-Common Dot-matrix
STN LCD Driver
To improve design and/or performance,
Avant Electronics may make changes to its
products. Please contact Avant Electronics
for the latest versions of its products
data sheet (v3)
2005 Oct 04
1 page  
Avant Electronics
SCN6400G
64-Common Dot-matrix STN LCD Driver
3.2 Signal description
Table 2 Pin signal description.
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To avoid a latch-up effect at power-on: VSS − 0.5 V < voltage at any pin at any time < VDD + 0.5 V .
Pin
number
SYMBOL
I/O
DESCRIPTION
41~80,
O1~O64
1~24
Common driver output.
Output Please refer to Table 3 for output voltage level and Section 9, Pin circuits, for the
circuits.
26, 35,
37, 39
25
27, 28,
29, 30
NC
DIO64
VEE, V5, V2,
V1
Input
I/O
Input
No Connection.
These pins are not used in application and should be left open.
Data input/output pin for cascading application.
LCD bias voltage.
V1 and VEE are selected levels.
V2 and V5 are unselected levels.
Display OFF for reducing power consumption.
31
DISPOFF
Input
When DISPOFF=L, the outputs O1~O64 are all at a fixed voltage level of V1.
32 VDD
Input Power supply for control logic.
Shift direction control for scan data reception from a controller.
33 RS/LS
When RS/LS=LOW, shift direction is from left to right (right shift).
Input
When RS/LS=HIGH, shift direction is from right to left (left shift).
34 VSS
36 M
38 CP
Input
Input
Input
Please refer to Table 4, Mode selection.
Ground.
Frame signal, for alternating LCD bias voltage.
Scan data latch clock.
40 DIO1
I/O Data input/output pin for cascading application.
2005 Oct 04
5 of 19
data sheet (v3)
5 Page 
Avant Electronics
8 LCD BIAS VOLTAGE
SCN6400G
64-Common Dot-matrix STN LCD Driver
www.DataSheet4U.com
VDD
V1 VDD
R
Va V2
R
Vb
VLCD
7R
SCN6400G
Vc
R
Vd V5
R
Ve
VEE
VR
VSS
VEE
Va = VDD - (1/11) VLCD
Vb = VDD - (2/11) VLCD
Vc = VDD - (9/11) VLCD
Vd = VDD - (10/11) VLCD
Ve = VDD - (11/11) VLCD
Fig.6 LCD bias voltage
2005 Oct 04
11 of 19
data sheet (v3)
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet SCN6400G.PDF ] | |
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