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参数资料
| 型号： | ICM7228BIPIZ |
| 厂商： | Intersil |
| 文件页数： | 8/18页 |
| 文件大小： | 0K |
| 描述： | IC DRIVER DECODER 8DIG 28-PDIP |
| 标准包装： | 143 |
| 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： | 250µA |
| 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-DIP（0.600"，15.24mm） |
| 供应商设备封装： | 28-PDIP |
| 包装： | 管件 |
ICM7228
TABLE 1. ICM7228A PIN ASSIGNMENTS AND DESCRIPTIONS (Continued)
PIN NO.
9
MODE
NAME
FUNCTION
Input
DESCRIPTION
Selects Data to Be Loaded to Control Register or Display RAM: High, Loads Control Register;
Low, Loads Display RAM.
10
ID4,
(SHUTDOWN)
Input
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.
11
ID1
Input
When “MODE” Low: Display Data Input, Bit 2.
When “MODE” High and “ID7 (DATA COMING)” Low: Digit Address, Bit 2, Single Digit Update
Mode.
12
ID0
Input
When “MODE” Low: Display Data Input, Bit 1.
When “MODE” High and “ID7 (DATA COMING)” Low: Digit Address, LSB, Single Digit Update
Mode.
13
ID2
Input
When “MODE” Low: Display Data Input, Bit 3.
When “MODE” High and “ID7 (DATA COMING)” Low: Digit Address, MSB, Single Digit Update
Mode.
14
ID3
Input
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
15
16
17
18
19
20
21
22
23
24
25
26
27
28
DIGIT 1
DlGlT 2
DIGIT 5
DlGlT 8
V DD
DIGIT 4
DlGlT 7
DlGlT 6
DIGlT 3
SEG f
SEG d
SEG g
SEG a
V SS
Output
Supply
Output
Output
Supply
LED Display Digits 1, 2, 5 and 8 Drive Lines.
Device Positive Power Supply Rail.
LED Display Digits 4, 7, 6 and 3 Drive Lines.
LED Display Segments f, d, g and a Drive Lines.
Device Ground or Negative Power Supply Rail.
TABLE 2. ICM7228B PIN ASSIGNMENTS AND DESCRIPTIONS
PIN NO.
1
2
3
4
5
NAME
DIGIT 4
DlGlT 6
DIGIT 3
DlGlT 1
ID6,
(HEXA/CODE B)
FUNCTION
Output
Input
DESCRIPTION
LED Display Digits 4, 6, 3 and 1 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
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