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PDF ( 数据手册 , 数据表 ) IZD1520U

零件编号 IZD1520U
描述 DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER & DRIVER
制造商 Integral
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IZD1520U 数据手册, 描述, 功能
IZD1520U
DOT MATRIX LIQUID CRYSTAL DISPLAY CONTROLLER &
DRIVER
FEATURES
CMOS LSI chips
Many command set
Connection with CPU
Total 80 (segment+common) drive sets
Can be directly coupled with 80-port or 68-port system Low power consumption - 30µW maximum at 2kHz
Available in chip form or in 100-pin plastic QFP
external clock
Pin-to-Pin Replacement for SED1520 Series
DESCRIPTION
Power supply VDD - VSS : 2.4 to -7.0V
VDD - V5 : 3.5 to -13.0V
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 extention.
ABSOLUTE MAXIMUM RATINGS
Characteristic
Symbol
Value
Unit
Supply Voltage (1)
VSS
- 8.0 ~ 0.3
V
Supply Voltage (2)
V5
- 16.5 ~ 0.3
V
Supply Voltage (3)
V1, V2, V3, V4
V5 ~ 0.3
V
Input Voltage
VI
VSS - 0.3 ~ 0.3
V
Output Voltage
VO
VSS - 0.3 ~ 0.3
V
Power Dissipation
PD 250 mW
Operating Temperature
Ta
- 10 ~ + 75
oC
Storage Temperature
Tstg
- 65 ~ + 150
oC
Soldering temperature time (10 sec
max)
Tsol
260 oC
Notes:
1. All voltages are specified relative to VDD = 0V.
2. The following relation must be always hold
VDD V1 V2 V3 V4 V5.
3. Exceeding the absolute maximum ratings may cause permanent damage to
the device. Functional operating under these
conditions is not implied.
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IZD1520U pdf, 数据表
IZD1520U
TERMINAL DESCRIPTION
Terminal Name
D0 ÷ D7
A0
RES
CS
OSC1
E
(RD)
R/W
(WR)
CL
OSC2
FR
SEGn
COMn
M/S
VDD
VSS
V1, V2, V3, V4, V5
Function
Data I/O
Select display data or functions.
HIGH: Display data
LOW : Instructions
Resets the system and selects the interface type for a 68-port/80-port MPU
HIGH: 68-port MPU interface
LOW : 80-port MPU interface
Input. Active low. Effective for an external clock operation model only.
Chip Select input
LOW : Active level sensing
Read/Write Enable signal when a 68-port MPU is connected.
(Active LOW Read Enable signal when an 80-port MPU is connected)
Read/Write Select signal when a 68-port MPU is connected.
HIGH: Read Select
LOW : Write Select
(Active LOW Write Enable input when an 80-port MPU is connected Rising
edge sensing)
Input. Effective for an external clock operation model only.
External clock input (only effective with external clock types)
LCD Frame (AC- conversion) signal input/output
Segment output for driving the LCD
Common output for driving the LCD
Master/Slave Select signal
5V power supply
0V power supply (GND level)
Power supplies for driving the LCD. VDD V1 V2 V3 V4 V5
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