ICM7228BIPI Intersil, ICM7228BIPI Datasheet - Page 7

• Manufacturer Part Number: ICM7228BIPI
• Description: IC DRIVER DECODER 8DIG 28-PDIP
• Manufacturer: Intersil

Specifications of ICM7228BIPI

• Display Type: LED
• Configuration: 7 Segment
• Digits Or Characters: 8 Digits
• Current - Supply: 250µA
• Voltage - Supply: 4 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 28-DIP (0.600", 15.24mm)
• Driver Case Style: DIP
• Peak Reflow Compatible (260 C): No
• Device Type: LED
• Display Interface: Common Cathode, Multiplexed
• Supply Voltage Max: 5V
• Leaded Process Compatible: No
• No. Of Pins: 28
• Fonts: Hexadecimal, Code B
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Interface: -

Typical Performance Curves
FIGURE 5. COMMON ANODE DIGIT DRIVER I
FIGURE 7. COMMON CATHODE DIGIT DRIVER I
PIN NO.
0
100
200
300
400
500
300
200
100
1
2
3
4
5
6
7
8
0
0
SEG c
SEG e
SEG b
DP
ID6,
(HEXA/CODE B)
ID5, (DECODE)
ID7,
(DATA COMING)
WRITE
1.0
5.0
NAME
2.0
125
4.0
o
C
V
DD
V
7
DIG
-V
3.0
3.0
FUNCTION
125
DIG
-55
25
(V)
Output
TABLE 1. ICM7228A PIN ASSIGNMENTS AND DESCRIPTIONS
Input
Input
Input
Input
o
o
o
(V)
C
C
C
-55
4.0
2.0
o
C
DIG
-55
125
25
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.
When “MODE” Low: Display Data Input, Bit 6.
When “MODE” High: Control Bit, Decode/No Decode Selection: High, No Decode; Low, Decode.
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.
Data Input Will Be Written to Control Register or Display RAM on Rising Edge of WRITE.
vs (V
o
o
o
DIG
C
C
5.0
1.0
C
DD
25
vs V
o
- V
C
DIG
DIG
0
ICM7228
)
FIGURE 6. COMMON ANODE SEGMENT DRIVER I
FIGURE 8. COMMON CATHODE SEGMENT DRIVER I
0
10
20
30
40
50
80
60
40
20
0
0
DESCRIPTION
5.0
(V
1.0
DD
- V
SEG
4.0
2.0
)
V
DD
V
-V
SEG
3.0
3.0
SEG
(V)
(V)
2.0
4.0
-55
-55
125
o
25
C
o
C
o
o
C
C
5.0
1.0
SEG
125
vs V
o
SEG
C
25
SEG
0
vs
o
C