参数资料
型号: ICM7228CIBI
厂商: Intersil
文件页数: 7/18页
文件大小: 0K
描述: IC LED DISPLAY DRVR 8DGT 28-SOIC
标准包装: 260
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: 200µA
电源电压: 4 V ~ 6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC W
包装: 管件
ICM7228
Typical Performance Curves
0
100
-55 o C
25 o C
125 o C
200
80
-55 o C
300
400
125 o C
25 o C
60
40
25 o C
125 o C
500
-55 o C
20
0
5.0
4.0
3.0
2.0
1.0
0
0
1.0
2.0
3.0
4.0
5.0
V DD -V DIG (V)
FIGURE 5. COMMON ANODE DIGIT DRIVER I DIG vs (V DD - V DIG )
V SEG (V)
FIGURE 6. COMMON ANODE SEGMENT DRIVER I SEG vs V SEG
300
-55 o C
0
10
20
30
-55 o C
125 o C
25 o C
200
100
0
125 o C
25 o C
40
50
0
1.0
2.0
3.0
4.0
5.0
5.0
4.0
3.0
2.0
1.0
0
V DIG (V)
FIGURE 7. COMMON CATHODE DIGIT DRIVER I DIG vs V DIG
V DD -V SEG (V)
FIGURE 8. COMMON CATHODE SEGMENT DRIVER I SEG vs
(V DD - V SEG )
TABLE 1. ICM7228A PIN ASSIGNMENTS AND DESCRIPTIONS
PIN NO.
1
2
3
4
5
NAME
SEG c
SEG e
SEG b
DP
ID6,
(HEXA/CODE B)
FUNCTION
Output
Input
DESCRIPTION
LED Display Segments c, e, b and Decimal Point Drive Lines.
When “MODE” Low: Display Data Input, Bit 7.
When “MODE” High: Control Bit, Decoding Scheme Selection: High, Hexadecimal Decoding;
Low, Code B Decoding.
6
ID5, (DECODE)
Input
When “MODE” Low: Display Data Input, Bit 6.
When “MODE” High: Control Bit, Decode/No Decode Selection: High, No Decode; Low, Decode.
7
ID7,
(DATA COMING)
Input
When “MODE” Low: Display Data Input, Bit 8, Decimal Point Data.
When “MODE” High: Control Bit, Sequential Data Update Select: High, Data Coming; Low, No
Data Coming.
8
WRITE
Input
Data Input Will Be Written to Control Register or Display RAM on Rising Edge of WRITE.
7
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