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ICM7228BIPI Datasheet(PDF) 8 Page - Intersil Corporation |
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ICM7228BIPI Datasheet(HTML) 8 Page - Intersil Corporation |
8 / 19 page 8 ICM7228 Typical Performance Curves FIGURE 5. COMMON ANODE DIGIT DRIVER IDIG vs (VDD - VDIG) FIGURE 6. COMMON ANODE SEGMENT DRIVER ISEG vs VSEG FIGURE 7. COMMON CATHODE DIGIT DRIVER IDIG vs VDIG FIGURE 8. COMMON CATHODE SEGMENT DRIVER ISEG vs (VDD - VSEG) 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 4DP 5ID6, (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. 7ID7, (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. 8WRITE Input Data Input Will Be Written to Control Register or Display RAM on Rising Edge of WRITE. VDD-VDIG (V) 0 100 200 300 400 500 0 1.0 2.0 3.0 4.0 5.0 -55oC 25oC 125oC -55oC 25oC 125oC VSEG (V) 80 60 40 20 0 0 1.0 2.0 3.0 4.0 5.0 -55oC 25oC 125oC VDIG (V) 300 200 100 0 01.0 2.03.0 4.0 5.0 -55oC 25oC 125oC VDD-VSEG (V) 0 10 20 30 40 50 0 1.0 2.0 3.0 4.0 5.0 -55oC 25oC 125oC |
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