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参数资料
| 型号： | ICM7218AIJI |
| 厂商： | Intersil |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER DECODER 8DIG 28-CDIP |
| 标准包装： | 13 |
| 显示器类型： | LED |
| 配置： | 7 段显示 |
| 数字或字符： | 8 位数字 |
| 电流 - 电源： | 2.5mA |
| 电源电压： | 4 V ~ 6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 28-CDIP（0.600"，15.24mm） |
| 供应商设备封装： | 28-CDIP 熔接密封，带窗口 |
| 包装： | 管件 |
?
ICM7218
Data Sheet
February 15, 2007
FN3159.2
8-Digit LED Microprocessor-Compatible
Multiplexed Display Decoder Driver
The ICM7218 series of universal LED driver systems
provide, in a single package, all the circuitry necessary to
interface most common microprocessors or digital systems
to an LED display. Included on chip are an 8-byte static
display memory, two types of 7-segment decoders, multiplex
scan circuitry, and high current digit and segment drivers for
either common-cathode or common-anode displays.
The lCM7218A and 1CM7218B feature two control lines
(WRITE and MODE) which write either 4 bits of control
information (DATA COMING, SHUTDOWN, DECODE, and
HEXA/CODE B) or 8 bits of display input data. Display data
is automatically sequenced into the 8-byte internal memory
on successive positive going WRITE pulses. Data may be
displayed either directly or decoded in Hexadecimal or Code
B formats.
The ICM7218C and lCM7218D feature two control lines
(WRITE and HEXA/CODE B/SHUTDOWN), 4 separate
display data input lines, and 3 digit address lines. Display
data is written into the internal memory by setting up a digit
address and strobing the WRITE line low. Only Hexadecimal
and Code B formats are available for display outputs.
ICM7218A COMMON ANODE
ICM7218B COMMON CATHODE
Features
? Microprocessor Compatible
? Total Circuit Integration On Chip Includes:
- Digit and Segment Drivers
- All Multiplex Scan Circuitry
- 8-Byte Static Display Memory
- 7-Segment Hexadecimal and Code B Decoders
? Output Drive Suitable for LED Displays Directly
? Common Anode and Common Cathode Versions
? Single 5V Supply Required
? Data Retention to 2V Supply
? Shutdown Feature - Turns Off Display and Puts Chip Into
Low Power Dissipation Mode
? Sequential and Random Access Versions
? Decimal Point Drive On Each Digit
Related Literature
? Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
ICM7218C COMMON ANODE
ICM7218D COMMON CATHODE
ID0-ID3
ID0-ID7
INPUT
DATA
8
8
ID4-ID7
CONTROL
INPUTS
4
MODE
1
WRITE
1
HEXADECIMAL/
CODE B/
SHUTDOWN
1
ID7
DATA
INPUT
5
WRITE
1
DA0-DA2
DIGIT
ADDRESS
3
DECODE
HEXA/CODE B
CONTROL
LOGIC
SHUTDOWN
1
THREE LEVEL
INPUT LOGIC
1
SHUTDOWN
1
8-BYTE
STATIC
RAM
8
8
1
WRITE ADDRESS
COUNTER
1
8-BYTE
8
WRITE
ADDRESS
DECODER
1
7
4
8
1
READ
ADRESS, DIGIT
MULTIPLEXER
4
STATIC
RAM
8
8
READ
ADRESS
MULTIPLEXER
HEXADECIMAL/ 7
CODE B
DECODER
3
MULTIPLEX
HEXADECIMAL/
5
7
OSCILLATOR
CODE B
DECODER
1
MULTIPLEX
OSCILLATOR
DECODE/
NO-DECODE
1
8
7
DECIMAL
POINT
8
1
INTERDIGIT
BLANKING
7
DECIMAL
POINT
1
INTERDIGIT
BLANKING
8-SEGMENT
DRIVERS
8-DIGIT
DRIVERS
8-SEGMENT
DRIVERS
8-DIGIT
DRIVERS
FIGURE 1. FUNCTIONAL DIAGRAMS
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil and Design is a trademark of Intersil Americas Inc.
Copyright ? Intersil Americas Inc. 2001, 2007. All Rights Reserved
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| ICM7218AIJIR5254 | 功能描述:LED显示驱动器 STD ICM7218AIJI W/LD FINISH &CUSTOM BRAND RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
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| ICM7218AIPI | 功能描述:LED显示驱动器 8-Digit MUXd Decoder/Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
| ICM7218AIPI+ | 功能描述:LED显示驱动器 8-Digit MUXd Decoder/Driver RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube |
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