Datasheet

Figure 6. Multiplex Timing Diagram (OSC = 4MHz)
DIGIT 1
ONE COMPLETE 1.6ms MULTIPLEX CYCLE AROUND 8 DIGITS
DIGIT 0's 200µs MULTIPLEX TIMESLOT
DIGIT 0
200µs
DIGIT 2 DIGIT 3 DIGIT 4 DIGIT 5 DIGIT 6 DIGIT 7
START OF
NEXT CYCLE
LOW
2/16TH
1/16TH
(MIN ON)
HIGH-Z
HIGH-Z
LOW
3/16TH
HIGH-Z
LOW
4/16TH
HIGH-Z
LOW
5/16TH
HIGH-Z
LOW
6/16TH
HIGH-Z
LOW
7/16TH
HIGH-Z
LOW
8/16TH
HIGH-Z
LOW
9/16TH
HIGH-Z
LOW
10/16TH
HIGH-Z
LOW
11/16TH
HIGH-Z
LOW
12/16TH
HIGH-Z
LOW
13/16TH
HIGH-Z
LOW
14/16TH
HIGH-Z
LOW
15/16TH
HIGH-Z
LOW
15/16TH
HIGH-Z
(MAX ON)
HIGH-Z
HIGH-Z
CURRENT SOURCE ENABLED
MINIMUM 12.5µs INTERDIGIT BLANKING INTERVAL
HIGH-Z
ANODE (LIT)
DIGIT 0 CATHODE
DRIVER INTENSITY
SETTINGS
ANODE (UNLIT)
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Maxim Integrated │ 16
MAX6954 4-Wire Interfaced, 2.7V to 5.5V LED Display
Driver with I/O Expander and Key Scan