MAX7219C/D Maxim, MAX7219C/D Datasheet - Page 12

• Manufacturer Part Number: MAX7219C/D
• Description: Serially Interfaced / 8-Digit LED Display Drivers
• Manufacturer: Maxim

Serially Interfaced, 8-Digit LED Display Drivers
Figure 2. MAX7219/MAX7221 Driving 2.3-Inch Displays
12
______________________________________________________________________________________
5.6V ±5%
1N5524B
LOAD (CS)
DATA IN
*4.7k PULL-UP REQUIRED FOR MAX7221
( ) MAX7221 ONLY
CLOCK
23
21
20
17
16
15
14
22
12
13
10
4
9
1
5
7
9
6
4
2
3
SEG D
SEG E
SEG C
SEG G
SEG B
SEG F
SEG A
SEG DP
GND
GND
DIN
LOAD (CS)
CLK
ANODE DP
ANODE A
ANODE F
ANODE B
ANODE G
ANODE C
ANODE E
ANODE D
AND2307SLC
CATHODE
MAX7219
MAX7221
8
DIG 0
DIG 1
I
SFT
V+
19
18
11
2
*
*
30k
10
4
7
1
2
9
NC1
NC2
IN1
IN2
NO1
NO2
10
16
MAX394
5
7
9
6
4
2
3
5
-5V
5V
ANODE DP
ANODE A
ANODE F
ANODE B
ANODE G
ANODE C
ANODE E
ANODE D
COM1
COM2
4.7k
4.7k
AND2307SLC
CATHODE
3
8
8
IRF540
IRF540