ICM7228AIBI Intersil, ICM7228AIBI Datasheet
ICM7228AIBI
Specifications of ICM7228AIBI
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ICM7228AIBI Summary of contents
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... ICM7228A/B has an additional single digit access mode. This could make the Intersil ICM7218A/B software incompatible with ICM7228A/B operation. Ordering Information PART NUMBER PART MARKING ICM7228AIBI ICM7228AIBI ICM7228AIBIZ (Note) 7228AIBIZ ICM7228AIPI ICM7228AIPI ICM7228AIPIZ (Note) ICM7228AIPI ICM7228BIBI ICM7228BIBI ICM7228BIBIZ (Note) ICM7228BIBIZ ICM7228BIPI ...
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Pinouts ICM7228A (PDIP, SOIC) COMMON ANODE TOP VIEW SEG c 1 SEG SEG ID6 (HEXA/CODE B) 5 ID5 (DECODE) 6 ID7 (DATA COMING) 7 WRITE 8 MODE 9 ID4 (SHUTDOWN) 10 ID1 11 ID0 ...
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Functional Block Diagram ICM7228A, ICM7228B ID0 - ID7 ID4 - ID7 8 INPUT CONTROL DATA INPUTS 8 4 DECODE CONTROL LOGIC HEXA/CODE B 8 8-BYTE STATIC 8 1 RAM HEXADECIMAL/ CODE B 7 DECODER 7 1 ...
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Absolute Maximum Ratings Supply Voltage ( . ...
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Electrical Specifications V = +5.0V ±10 PARAMETER Input Leakage Current, I All Inputs Except Pin 9, ICM7228C All Inputs Except Pin 9, ICM7228C, V Display Scan Rate, f Per Digit MUX Inter-Digit Blanking Time, t IDB ...
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Timing Diagrams t MS MODE t WL WRITE t DS INPUT VALID DATA FIGURE 1. ICM7228A/B WRITE CYCLE DIGIT ADDRESS DAO-DAZ WRITE DATA INTERDIGIT BLANKING INTERNAL SIGNAL TYPICAL DIGITS OUTPUT PULSES FIGURE ...
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Typical Performance Curves 100 125 C 200 300 o 125 C 400 500 5.0 4.0 3 (V) DD DIG FIGURE 5. COMMON ANODE DIGIT DRIVER I 300 200 100 0 ...
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TABLE 1. ICM7228A PIN ASSIGNMENTS AND DESCRIPTIONS (Continued) PIN NO. NAME FUNCTION 9 MODE Input 10 ID4, Input (SHUTDOWN) 11 ID1 Input 12 ID0 Input 13 ID2 Input 14 ID3 Input 15 DIGIT 1 Output 16 DlGlT 2 17 DIGIT ...
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TABLE 2. ICM7228B PIN ASSIGNMENTS AND DESCRIPTIONS (Continued) PIN NO. NAME FUNCTION 8 WRITE Input 9 MODE Input 10 ID4, Input (SHUTDOWN) 11 ID1 Input 12 ID0 Input 13 ID2 Input 14 ID3 Input 15 DP Output 16 SEG a ...
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TABLE 3. ICM7228C PIN ASSIGNMENTS AND DESCRIPTIONS (Continued) PIN NO. NAME FUNCTION 9 HEXA/CODE Input B/SHUTDOWN 10 DA2 Input 11 ID1 Input 12 ID0 13 ID2 14 ID3 15 DIGIT 1 Output 16 DlGlT 2 17 DIGIT 5 18 DlGlT ...
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... B) is selected, only one can be effective at a time. Whenever a control word is written, the specified decoding scheme will be applied to all those digits which selected to be displayed in Decoded mode. DATA BUS D0-D7 ID0 ID7 INTERSIL ICM7228A/B DEVICE SELECT AND WRITE PULSE WRITE ADDRESS A0 ...
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... DATA BUS ID0 - ID3 AND ID7 INTERSIL DEVICE SELECT ICM7228C AND WRITE PULSE WRITE DA0 - DA2 input high level turns on the respective segment, except for the decimal point, which is turned input low level on ID7. The No Decode mode can be used in different applications such as bar graph or status panel driving where each segment controls an individual LED ...
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Data is retained in memory even with the supply voltage as low as 2V. The ICM7228A/B is shutdown by writing a control word with Shutdown (lD4) low. The ICM7228C is put into shutdown mode ...
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SEGMENT DATA INTERDIGIT BLANKING SHUTDOWN FIGURE 12B. SEGMENT DRIVER FIGURE 12. COMMON ANODE DISPLAY DRIVERS DIGIT STROBE INTERDIGIT BLANKING SHUTDOWN FIGURE 13A. DIGIT DRIVER V DD SEGMENT DATA P INTERDIGIT BLANKING SHUTDOWN V SS NOTE: When SHUTDOWN ...
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SEGMENT 100Ω OUTPUT ICM7228B 300Ω DIGIT OUTPUT N ≈ 1K 15Ω FIGURE 16. DRIVING HIGH CURRENT DISPLAY, COMMON CATHODE ICM7228B TO COMMON ANODE DISPLAY Three Level Input, ICM7228C ...
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Test Circuit ID6 (HEXA/CODE B) ID7 (DATA COMING) ID4 (SHUTDOWN ICM7228 ID5 (DECODE WRITE ICM7228A 8 21 MODE ...
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Dual-In-Line Plastic Packages (PDIP INDEX N/2 AREA -B- -A- D BASE PLANE -C- SEATING PLANE 0.010 (0.25 NOTES: 1. Controlling Dimensions: INCH. In case of conflict between ...
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... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...