ICM7228AIBI Intersil, ICM7228AIBI Datasheet - Page 9

• Manufacturer Part Number: ICM7228AIBI
• Description: IC LED DISPLAY DRVR 8DGT 28-SOIC
• Manufacturer: Intersil

Specifications of ICM7228AIBI

• Display Type: LED
• Configuration: 7 Segment
• Digits Or Characters: 8 Digits
• Current - Supply: 200µA
• Voltage - Supply: 4 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Driver Case Style: SOIC
• Peak Reflow Compatible (260 C): No
• Supply Voltage Max: 5V
• Source Output Current Max: 100mA
• Leaded Process Compatible: No
• No. Of Pins: 28
• No. Of Drivers: 1
• Rohs Compliant: No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Interface: -

PIN NO.
PIN NO.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
8
9
1
2
3
4
5
6
7
8
WRITE
MODE
ID4,
(SHUTDOWN)
ID1
ID0
ID2
ID3
DP
SEG a
SEG b
SEG d
V
SEG c
SEG e
SEG f
SEG g
DIGIT 8
DIGIT 2
DIGIT 5
DIGIT 7
SEG c
SEG e
SEG b
DP
DA0
DA1
ID7,
(INPUT DP)
WRITE
V
DD
SS
NAME
NAME
TABLE 2. ICM7228B PIN ASSIGNMENTS AND DESCRIPTIONS (Continued)
9
FUNCTION
FUNCTION
Output
Supply
Output
Output
Supply
Output
TABLE 3. ICM7228C PIN ASSIGNMENTS AND DESCRIPTIONS
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Data Input Will Be Written to Control Register or Display RAM on Rising Edge of WRITE.
Selects Data to Be Loaded to Control Register or Display RAM: High, Loads Control Register;
Low, Loads Display RAM.
When “MODE” Low: Display Data Input, Bit 5.
When “MODE” High: Control Bit, Low Power Mode Select: High, Normal Operation; Low,
Oscillator and Display Disabled.
When “MODE” Low: Display Data Input, Bit 2.
When “MODE” High and “ID7 (DATA COMING)” Low: Digit Address, Bit 2, Single Digit Update
Mode.
When “MODE” Low: Display Data Input, Bit 1.
When “MODE” High and “ID7 (DATA COMING)” Low: Digit Address, LSB, Single Digit Update
Mode.
When “MODE” Low: Display Data Input, Bit 3.
When “MODE” High and “ID7 (DATA COMING)” Low: Digit Address, MSB, Single Digit Update
Mode.
When “MODE” Low: Display Data Input, Bit 4.
When “MODE” High: RAM Bank Select (Decode Modes Only): High, RAM Bank A; Low, RAM
Bank B.
LED Display Decimal Point and Segments a, b, and d Drive Lines
Device Positive Power Supply Rail.
LED Display Segments c, e, f and g Drive Lines.
LED Display Digits 8, 2, 5 and 7 Drive Lines.
Device Ground or Negative Power Supply Rail.
LED Display Segments c, e, band Decimal Point Drive Lines.
Digit Address Input, Bit 1 LSB.
Digit Address Input, Bit 2.
Display Decimal Point Data Input, Negative True.
Data Input Will Be Written to Display RAM on Rising Edge of WRITE.
ICM7228
DESCRIPTION
DESCRIPTION