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MAX7221CWG

Description
LED Display Drivers Integrated Circuits (ICs)
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size1MB,17 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX7221CWG Overview

LED Display Drivers Integrated Circuits (ICs)

MAX7221CWG Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Parts packaging codeSOIC
package instruction0.300 INCH, MS-013, SOIC-24
Contacts24
Reach Compliance Codenot_compliant
ECCN codeEAR99
Other featuresCOMMON-CATHODE
data entry modeSERIAL
display modeSEGMENT
Interface integrated circuit typeLED DISPLAY DRIVER
JESD-30 codeR-PDSO-G24
JESD-609 codee0
length15.4 mm
Humidity sensitivity level1
Multiplex display functionYES
Number of digits/characters8-DIGIT
Number of functions1
Number of segments7
Number of terminals24
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP24,.4
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)245
power supply5 V
Certification statusNot Qualified
Maximum seat height2.65 mm
Maximum supply voltage5.5 V
Minimum supply voltage4 V
Nominal supply voltage5 V
surface mountYES
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width7.5 mm
minfmax1.3 MHz
Base Number Matches1
AVAILAB
LE
MAX7219/MAX7221
Serially Interfaced, 8-Digit LED Display Drivers
General Description
The MAX7219/MAX7221 are compact, serial input/out-
put common-cathode display drivers that interface
microprocessors (µPs) to 7-segment numeric LED dis-
plays of up to 8 digits, bar-graph displays, or 64 indi-
vidual 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 seg-
ment current for all LEDs. The MAX7221 is compatible
with SPI™, QSPI™, and MICROWIRE™, and has slew-
rate-limited segment drivers to reduce EMI.
A convenient 4-wire serial interface connects to all
common µPs. Individual digits may be addressed and
updated without rewriting the entire display. The
MAX7219/MAX7221 also allow the user to select code-
B decoding or no-decode for each digit.
The devices include a 150µA low-power shutdown
mode, analog and digital brightness control, a scan-
limit register that allows the user to display from 1 to 8
digits, and a test mode that forces all LEDs on.
For applications requiring 3V operation or segment
blinking, refer to the MAX6951 data sheet.
10MHz Serial Interface
Individual LED Segment Control
Decode/No-Decode Digit Selection
150µA Low-Power Shutdown (Data Retained)
Digital and Analog Brightness Control
Display Blanked on Power-Up
Drive Common-Cathode LED Display
Slew-Rate Limited Segment Drivers
for Lower EMI (MAX7221)
SPI, QSPI, MICROWIRE Serial Interface (MAX7221)
24-Pin DIP and SO Packages
Features
Ordering Information
PART
MAX7219CNG
MAX7219CWG
MAX7219C/D
MAX7219ENG
TEMP RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
PIN-PACKAGE
24 Narrow Plastic DIP
24 Wide SO
Dice*
24 Narrow Plastic DIP
Applications
Bar-Graph Displays
Industrial Controllers
Panel Meters
LED Matrix Displays
MAX7219EWG
-40°C to +85°C
24 Wide SO
MAX7219ERG
-40°C to +85°C
24 Narrow CERDIP
Ordering Information continued at end of data sheet.
*Dice are specified at T
A
= +25°C.
Pin Configuration
Functional Diagrams
TOP VIEW
DIN 1
DIG 0 2
DIG 4 3
GND 4
DIG 6 5
DIG 2 6
DIG 3 7
DIG 7 8
GND 9
DIG 5 10
DIG 1 11
LOAD (CS) 12
24 DOUT
23 SEG D
22 SEG DP
21 SEG E
Typical Application Circuit
+5V
19
9.53kΩ
18
ISET
V+
DIG 0–DIG 7
8 DIGITS
MOSI
μP
I/O
SCK
1
12
13
9
MAX7219
MAX7221
20 SEG C
19 V+
18 ISET
17 SEG G
16 SEG B
15 SEG F
14 SEG A
13 CLK
MAX7219
DIN
MAX7221
LOAD (CS)
CLK
GND
GND
4
SEG A–G,
SEG DP
8 SEGMENTS
Pin Configurations appear at end of data sheet.
( ) MAX7221 ONLY
DIP/SO
( ) MAX7221 ONLY
8-DIGIT
μP
DISPLAY
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
SPI and QSPI are trademarks of Motorola Inc. MICROWIRE is a trademark of National Semiconductor Corp.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-4452; Rev 4; 7/03

MAX7221CWG Related Products

MAX7221CWG MAX7221CWG-T MAX7221EWG MAX7221CNG MAX7219EWG MAX7221ENG MAX7219CWG
Description LED Display Drivers Integrated Circuits (ICs) LED Display Drivers LED Display Drivers LED Display Drivers 8-Digit LED Display Driver LED Display Drivers Integrated Circuits (ICs) LED Display Drivers 8-Digit LED Display Driver LED Display Drivers 8-Digit LED Display Driver
Is it lead-free? Contains lead Contains lead Contains lead Contains lead Contains lead Contains lead Contains lead
Is it Rohs certified? incompatible incompatible incompatible incompatible incompatible incompatible incompatible
Parts packaging code SOIC SOIC SOIC DIP SOIC DIP SOIC
package instruction 0.300 INCH, MS-013, SOIC-24 0.300 INCH, MS-013, SOIC-24 0.300 INCH, MS-013, SOIC-24 0.300 INCH, PLASTIC, MS-001, DIP-24 0.300 INCH, MS-013, SOIC-24 0.300 INCH, PLASTIC, MS-001, DIP-24 0.300 INCH, MS-013, SOIC-24
Contacts 24 24 24 24 24 24 24
Reach Compliance Code not_compliant not_compliant not_compliant not_compliant not_compliant not_compliant not_compliant
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Other features COMMON-CATHODE COMMON-CATHODE COMMON-CATHODE COMMON-CATHODE COMMON-CATHODE COMMON-CATHODE COMMON-CATHODE
data entry mode SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL
display mode SEGMENT SEGMENT SEGMENT SEGMENT SEGMENT SEGMENT SEGMENT
Interface integrated circuit type LED DISPLAY DRIVER LED DISPLAY DRIVER LED DISPLAY DRIVER LED DISPLAY DRIVER LED DISPLAY DRIVER LED DISPLAY DRIVER LED DISPLAY DRIVER
JESD-30 code R-PDSO-G24 R-PDSO-G24 R-PDSO-G24 R-PDIP-T24 R-PDSO-G24 R-PDIP-T24 R-PDSO-G24
JESD-609 code e0 e0 e0 e0 e0 e0 e0
length 15.4 mm 15.4 mm 15.4 mm 30.545 mm 15.4 mm 30.545 mm 15.4 mm
Humidity sensitivity level 1 1 1 1 1 1 1
Multiplex display function YES YES YES YES YES YES YES
Number of digits/characters 8-DIGIT 8-DIGIT 8-DIGIT 8-DIGIT 8-DIGIT 8-DIGIT 8-DIGIT
Number of functions 1 1 1 1 1 1 1
Number of segments 7 7 7 7 7 7 7
Number of terminals 24 24 24 24 24 24 24
Maximum operating temperature 70 °C 70 °C 85 °C 70 °C 85 °C 85 °C 70 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP SOP SOP DIP SOP DIP SOP
Encapsulate equivalent code SOP24,.4 SOP24,.4 SOP24,.4 DIP24,.3 SOP24,.4 DIP24,.3 SOP24,.4
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE IN-LINE SMALL OUTLINE IN-LINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) 245 245 245 245 245 245 245
power supply 5 V 5 V 5 V 5 V 5 V 5 V 5 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 2.65 mm 2.65 mm 2.65 mm 4.572 mm 2.65 mm 4.572 mm 2.65 mm
Maximum supply voltage 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage 4 V 4 V 4 V 4 V 4 V 4 V 4 V
Nominal supply voltage 5 V 5 V 5 V 5 V 5 V 5 V 5 V
surface mount YES YES YES NO YES NO YES
Temperature level COMMERCIAL COMMERCIAL INDUSTRIAL COMMERCIAL INDUSTRIAL INDUSTRIAL COMMERCIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form GULL WING GULL WING GULL WING THROUGH-HOLE GULL WING THROUGH-HOLE GULL WING
Terminal pitch 1.27 mm 1.27 mm 1.27 mm 2.54 mm 1.27 mm 2.54 mm 1.27 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 7.5 mm 7.5 mm 7.5 mm 7.62 mm 7.5 mm 7.62 mm 7.5 mm
minfmax 1.3 MHz 1.3 MHz 1.3 MHz 1.3 MHz 1.3 MHz 1.3 MHz 1.3 MHz
Base Number Matches 1 1 - 1 - 1 1
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