MAX6959AAEE+T Maxim Integrated Products, MAX6959AAEE+T Datasheet
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MAX6959AAEE+T
Specifications of MAX6959AAEE+T
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MAX6959AAEE+T Summary of contents
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... Pin Configuration, Functional Diagram, and Typical Application Circuit appear at end of data sheet. SMBus is a trademark of Intel Corp. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ♦ 400kbps 2-Wire Serial Interface ♦ ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan ABSOLUTE MAXIMUM RATINGS (Voltage with respect to GND.) V+, SCL, SDA .......................................................-0.3V to +6V All Other Pins............................................-0.3V to (V+ + 0.3V) Current DIG0/SEG0–DIG3/SEG3 Sink Current ..........................275mA DIG0/SEG0–SEG9 Source ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan DC ELECTRICAL CHARACTERISTICS (continued) ( 5.5V unless otherwise noted. Typical values are 5V MIN ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan (V+ = 5V, LED forward voltage = 2.4V, T SCAN RATE (f ) SCAN vs. TEMPERATURE 800 5.5V 795 790 5V 4.5V 785 780 3V 775 770 765 ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan PIN NAME MAX6958 MAX6959 1 1 SDA 2 2 SCL 3 — SEG9 — 3 IRQ/SEG9 4–7, 11–15 4–7, 11–15 DIGX, SEGX 8 8 GND 9, 10 — ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan SDA t SU, DAT t t LOW LOW SCL t HIGH t HD, STA t R START CONDITION Figure 1. 2-Wire Serial Interface Timing Details Differences Between MAX6958 ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan SDA 0 1 MSB SCL Figure 3. Slave Address SDA SCL DATA STABLE, CHANGE OF DATA VALID DATA ALLOWED Figure 4. Bit Transfer One data bit is transferred ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan HOW CONTROL BYTE AND DATA BYTE MAP INTO MAX6958/MAX6959s' REGISTERS ACKNOWLEDGE FROM MAX6958/MAX6959 S SLAVE ADDRESS R/W Figure 7. Command and Single Data Byte Received HOW CONTROL BYTE ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan Table 3. Command Address Autoincrement Behavior COMMAND BYTE AUTOINCREMENT BEHAVIOR ADDRESS RANGE 00000000 to Command byte address autoincrements 01111110 after byte read or written Command byte address remains ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan Table 5. No-Decode Mode Data Bits and Corresponding Segment Lines ADDRESS DIGIT/SEGMENT REGISTER CODE (HEX) Digit 0 0x20 Digit 1 0x21 Digit 2 0x22 Digit 3 0x23 Segments ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan Table 8. Seven-Segment Mapping Decoder for Hexadecimal Font REGISTER DATA 7-SEGMENT CHARACTER D7– ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan Configuration Register Use the configuration register to enter and exit shut- down, check device type, and globally clear the digit data (Tables 10–13). The S bit selects shutdown ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan Table 15. Global Intensity Register Format TYPICAL SEGMENT DUTY CYCLE CURRENT (mA) 1/64 (min on) 0.36 2/64 0.72 3/64 1.08 4/64 1.44 5/64 1.80 6/64 2.16 — — ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan Ports and Key Scanning (MAX6959 Only) The MAX6959 features two input ports, INPUT1 and INPUT2. These two ports can be used as general-pur- pose logic inputs, or configured ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan THE FIRST HALF OF A 41ms KEYSCAN CYCLE 1.28ms MULTIPLEX 1.28ms MULTIPLEX 1.28ms MULTIPLEX CYCLE 1 CYCLE 2 CYCLE 3 5µs TO 315µs DIGIT PERIOD DIG0/SEG0 DIG1/SEG1 DIG2/SEG2 ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan Key Debounced Register (MAX6959 Only) The key debounced register shows which keys have been detected as debounced by the keyscanning cir- cuit (Table 17). Each bit in the ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan Computing Power Dissipation Determine the MAX6958/MAX6959 upper-limit power dissipation (P ) with the following equation (V+ ✕ I (DUTY D ...
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Interfaced 5.5V, 4-Digit, 9-Segment LED Display Drivers with Keyscan Pin Configuration TOP VIEW SDA 1 SCL 2 (IRQ/SEG9) SEG9 3 MAX6958/ DIG0/SEG0 4 MAX6959 DIG1/SEG1 5 DIG2/SEG2 6 DIG3/SEG3 7 GND 8 QSOP/DIP ( ) MAX6959 ONLY ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 19 © 2005 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products, Inc ...