參數(shù)資料
型號(hào)： ICM7228CIPIZ
廠商： INTERSIL CORP
元件分類(lèi)： 顯示驅(qū)動(dòng)器
英文描述： 8-Digit, Microprocessor-Compatible, LED Display Decoder Driver
中文描述： LED DISPLAY DRIVER, PDIP28
封裝： ROHS COMPLIANT, PLASTIC, MS-011AB, DIP-28
文件頁(yè)數(shù)： 7/18頁(yè)
文件大?。?/td> 310K
代理商： ICM7228CIPIZ
7
ICM7228
Typical Performance Curves
FIGURE 5. COMMON ANODE DIGIT DRIVER I
DIG
vs (V
DD
- V
DIG
)
FIGURE 6. COMMON ANODE SEGMENT DRIVER I
SEG
vs V
SEG
FIGURE 7. COMMON CATHODE DIGIT DRIVER I
DIG
vs V
DIG
FIGURE 8. COMMON CATHODE SEGMENT DRIVER I
SEG
vs
(V
DD
- V
SEG
)
TABLE 1. ICM7228A PIN ASSIGNMENTS AND DESCRIPTIONS
PIN NO.
NAME
FUNCTION
DESCRIPTION
1
SEG c
Output
LED Display Segments c, e, b and Decimal Point Drive Lines.
2
SEG e
3
SEG b
4
DP
5
ID6,
(HEXA/CODE B)
Input
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.
V
DD
-V
DIG
(V)
I
D
0
100
200
300
400
500
0
1.0
2.0
3.0
4.0
5.0
-55
o
C
25
o
C
125
o
C
-55
o
C
25
o
C
125
o
C
V
SEG
(V)
I
S
80
60
40
20
0
0
1.0
2.0
3.0
4.0
5.0
-55
o
C
25
o
C
125
o
C
V
DIG
(V)
I
D
300
200
100
0
0
1.0
2.0
3.0
4.0
5.0
-55
o
C
25
o
C
125
o
C
V
DD
-V
SEG
(V)
0
10
20
30
40
50
0
1.0
2.0
3.0
4.0
5.0
I
S
-55
o
C
25
o
C
125
o
C
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