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IZD1520OA Datasheet

  • IZD1520OA

  • CMOS DOT MATRIX LCD DRIVER

  • 13頁

  • INTEGRAL

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CMOS DOT MATRIX LCD DRIVER
FEATURES
鈥?/div>
CMOS LSI chips
鈥?/div>
Connection with CPU
Can be directly coupled with 80-port or 68-port system
鈥?/div>
Available in chip form or in 100-pin plastic QFP
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Pin-to-Pin Replacement for SED1520 Series
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Many command set
鈥?/div>
Total 80 (segment+common) drive sets
IZD1520
鈥?/div>
Low power consumption - 30碌W maximum at 2kHz
external clock
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Power supply V
DD
- V
SS
: 2.4 to -7.0V
V
DD
- V
5
: 3.5 to -13.0V
DESCRIPTION
The IZD1520 family of dot matrix LCD (Liquid Crystal Display) drivers are designed for the display of characters and graphics.
The drivers generate LCD drive signals derived from bit mapped data stored in an internal RAM.
The IZD1520 family drivers incorporate innovative circuit design strategies to achieve very low power dissipation at a wide range of operating voltages.
These features give the designer a flexible means of implementing small to medium size LCD displays for compact, low power systems.
The IZD1520 which is able to drive two lines of twelve characters each.
The IZD1521 which is able to drive 80 segments for extension.
ABSOLUTE MAXIMUM RATINGS
Characteristic
Supply Voltage (1)
Supply Voltage (2)
Supply Voltage (3)
Input Voltage
Output Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Soldering temperature time (10 sec max)
Notes:
1.
2.
3.
Symbol
V
SS
V
5
V
1,
V
2,
V
3,
V
4
V
I
V
O
P
D
T
a
T
stg
T
sol
Value
- 8.0 ~ 0.3
- 16.5 ~ 0.3
V
5
~ 0.3
V
SS
- 0.3 ~ 0.3
V
SS
- 0.3 ~ 0.3
250
- 10 ~ + 75
- 65 ~ + 150
260
Unit
V
V
V
V
V
mW
o
o
o
C
C
C
All voltages are specified relative to V
DD
= 0V.
The following relation must be always hold
V
DD
鈮?/div>
V
1
鈮?/div>
V
2
鈮?/div>
V
3
鈮?/div>
V
4
鈮
5
.
Exceeding the absolute maximum ratings may cause permanent damage to the device. Functional operating under these
conditions is not implied.
LINE-UP
Product
Name
On-chip
IZD1520
OA
IZD1521
OA
IZD1520
AA
IZD1521
AA
18kHz
-
-
-
External
18kHz
18kHz
2kHz
2kHz
IZD1520
OA
, IZD1521
OA
IZD1520
OA
IZD1520
AA
, IZD1521
AA
IZD1520
AA
61
80
61
80
16
0
16
0
1/16, 1/32
1/8 ~ 1/32
1/16, 1/32
1/8 ~ 1/32
Clock Frequency
Applicable Driver
Number of
SEGMENT
Drivers
Number of
COMMON
Drivers
Duty
1

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