(China (Mainland))
Product Summary
The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (μPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs. Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8x8 static RAM that stores each digit.Only one external resistor is required to set the segment current for all LEDs. The MAX7221 is compatible with SPI?, QSPI?, and Microwire?, and has slew-ratelimited segment drivers to reduce EMI.
Parametrics
ABSOLUTE MAXIMUM RATINGS:
(1)Voltage (with respect to GND),V+:-0.3V to 6V;DIN, CLK, LOAD, CS:-0.3V to 6V;All Other Pins:-0.3V to (V+ + 0.3V);
(2)Current,DIG0–DIG7 Sink Current:500mA;SEGA–G, DP Source Current:100mA;
(3)Continuous Power Dissipation (TA=+85℃),Narrow Plastic DIP:0.87W;Wide SO:0.76W;Narrow CERDIP:1.1W;
(4)Operating Temperature Ranges,MAX7219C_G/MAX7221C_G:0℃ to +70℃;MAX7219E_G/MAX7221E_G:-40℃ to +85℃;
(5)Storage Temperature Range:-65℃ to +160℃;
(6)Lead Temperature (soldering, 10sec):+300℃
Features
(1)10MHz Serial Interface;
(2)Individual LED Segment Control;
(3)Decode/No-Decode Digit Selection;
(4)150μA Low-Power Shutdown (Data Retained);
(5)Digital and Analog Brightness Control;
(6)Display Blanked on Power-Up;
(7)Drive Common-Cathode LED Display;
(8)Slew-Rate Limited Segment Drivers for Lower EMI (MAX7221) ;
(9)SPI, QSPI, Microwire Serial Interface (MAX7221);
(10)24-Pin DIP and SO Packages
Diagrams
<IMG border=0 src="http://www.seekic.com/uploadfile/ic-mfg/20128253850842.jpg">
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||||||||||
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 MAX7219CNG |
Maxim Integrated Products |
LED Display Drivers 8-Digit LED Display Driver |
Data Sheet |
Negotiable |
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MAX7219CNG+ |
Maxim Integrated Products |
LED Display Drivers 8-Digit LED Display Driver |
Data Sheet |
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