MAX6953EPL+ Maxim Integrated, MAX6953EPL+ Datasheet - Page 16

• Manufacturer Part Number: MAX6953EPL+
• Description: LED Display Drivers Integrated Circuits (ICs)
• Manufacturer: Maxim Integrated

Specifications of MAX6953EPL+

• Number Of Digits: 4
• Number Of Segments: 140
• Mounting Style: Through Hole
• Package / Case: PDIP-40
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Supply Current: 15 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• High Level Output Current: 50 mA
• Low Level Output Current: 500 mA
• Power Dissipation: 1333 mW
• Factory Pack Quantity: 10

2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5
Matrix LED Display Driver
Figure 10. Multiplex Timing Diagram (OSC = 4MHz)
16
DIGITS 0 AND 1
ROW OUTPUTS
DIGITS 2 AND 3
ROW OUTPUTS
PINS O7–O13
PINS O0–06
______________________________________________________________________________________
DRIVER OUTPUTS
DIGIT 1 COLUMN
COLUMN DRIVER
COLUMN DRIVER
PINS O19-O23
PINS O14-O18
PINS O19-O23
14/16TH
15/16TH
1/16TH
(MIN ON)
2/16TH
7/16TH
8/16TH
16/16TH
(MAX ON)
4/16TH
5/16TH
6/16TH
9/16TH
10/16TH
11/16TH
12/16TH
13/16TH
3/16TH
HIGH-Z
HIGH-Z
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
DIGIT 0
DIGIT 1
CURRENT SOURCE
CURRENT SOURCE
CURRENT SOURCE
100µs
ROW 1
ROW 1
LOW
HIGH-Z
DIGIT 0
DIGIT 1
ROW 2
ROW 2
HIGH-Z
DIGIT 0
DIGIT 1
HIGH-Z
ROW 3
ROW 3
HIGH-Z
DIGIT 0
DIGIT 1
ROW 4
ROW 4
HIGH-Z
HIGH-Z
DIGIT 0
DIGIT 1
ONE COMPLETE 1.4ms MULTIPLEX CYCLE AROUND 14 ROWS
ROW 5
ROW 5
DIGIT 1 ROW 1's 100µs MULTIPLEX TIMESLOT
HIGH-Z
DIGIT 0
DIGIT 1
ROW 6
ROW 6
HIGH-Z
DIGIT 0
DIGIT 1
HIGH-Z
ROW 7
ROW 7
MINIMUM 6.25µs INTERDIGIT BLANKING INTERVAL
HIGH-Z
DIGIT 2
DIGIT 3
ROW 1
ROW 1
HIGH-Z
DIGIT 2
DIGIT 3
ROW 2
ROW 2
HIGH-Z
DIGIT 2
DIGIT 3
ROW 3
HIGH-Z
ROW 3
HIGH-Z
DIGIT 3
DIGIT 2
ROW 4
ROW 4
HIGH-Z
DIGIT 2
DIGIT 3
ROW 5
ROW 5
HIGH-Z
HIGH-Z
HIGH-Z
DIGIT 2
DIGIT 3
ROW 6
ROW 6
DIGIT 2
DIGIT 3
ROW 7
ROW 7
7
DIGIT 1
DIGIT 0
ROW 1
ROW 1
START OF
NEXT CYCLE