General Description
The MAX6960MAX6963 are compact cathode-row dis-
play drivers that interface microprocessors to 8 x 8 dot-
matrix red, green, and yellow (R,G,Y) LED displays
through a high-speed 4-wire serial interface.
The MAX6960MAX6963 drive two monocolor 8 x 8
matrix displays, or a single RGY 8 x 8 matrix display with
no external components. The driver can also be used
with external pass transistors to control red, green, blue
(RGB) and other displays at higher currents and voltages.
The MAX6960MAX6963 feature open- and short-circuit
LED detection, and provide both analog and digital tile
segment current calibration to allow 8 x 8 displays from
different batches to be compensated or color matched.
A local 3-wire bus synchronizes multiple interconnected
MAX6960MAX6963s and automatically allocates memory
map addresses to suit the user's display-panel
architecture.
The MAX6960MAX6963s' 4-wire interface connects mul-
tiple drivers, with display memory mapping shared and
allocated among the drivers. A single global write opera-
tion can send a command to all MAX6960s in a panel.
The MAX6963 drives monocolor displays with two-step
intensity control. The MAX6962 drives monocolor displays
with two-step or four-step intensity control. The MAX6961
drives monocolor or RGY displays with two-step intensity
control. The MAX6960 drives monocolor or RGY displays
with two-step or four-step intensity control.
Features
o 2.7V to 3.6V Operation
o High-Speed 20MHz Serial Interface
o Trimmed 40mA or 20mA Peak Segment Current
o Directly Drives Either Two Monocolor or One RGY
Cathode-Row 8 x 8 Matrix Displays
o Analog Digit-by-Digit Segment Current Calibration
o Digital Digit-by-Digit Segment Current Calibration
o 256-Step Panel Intensity Control (All Drivers)
o Four Steps per Color Pixel-Level Intensity Control
o Open/Short LED Detection
o Burst White to Display Memory Planes
o Global Command Access All Devices
o Can Control RGB Panels or Higher
Current/Voltage Panels with External Pass
Transistors
o Multiple Display Data Planes Ease Animation
o Automatic Plane Switching from 63 Planes per
Second to One Plane Every 63s, with Interrupt
o Slew-Rate-Limited Segment Drivers for Lower EMI
o Driver Switching Timing Can Be Spread Between
Multiple Drivers to Flatten Power-Supply Peak
Demand
o Low-Power Shutdown with Full Data Retention
o -40C to +125C Temperature Range
MAX6960MAX6963
4-Wire Serially Interfaced
8 x 8 Matrix Graphic LED Drivers
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-3696; Rev 0; 7/05
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
Pin Configurations continued at end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
PKG
CODE
M A X6 9 6 0AM H -40
C to +125C 44 MQFP
--
M AX6960ATH
-40
C to +125C 44 TQFN *
T4477- 3
M A X6 9 6 1AM H -40
C to +125C 44 MQFP
--
M AX6961ATH
-40
C to +125C 44 TQFN *
T4477-3
M A X6 9 6 2AM H -40
C to +125C 44 MQFP
--
M AX6962ATH
-40
C to +125C 44 TQFN *
T4477-3
M A X6 9 6 3AM H -40
C to +125C 44 MQFP
--
M AX6963ATH
-40
C to +125C 44 TQFN *
T4477-3
COL13
COL12
COL11
COL10
COL9
V+
COL8
COL7
COL6
COL5
COL4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
GND
OSC
CS
DIN
DOUT
CLK
RST
COL1
COL2
COL3
V+
GND
RISET1
RISET0
ADDCLK
ADDIN
ADDOUT
V+
COL16
COL15
COL14
V+
MQFP
MAX6960-MAX6963
TOP VIEW
Pin Configurations
Applications
Message Boards Industrial Controls
Gaming Machines Audio/Video Equipment
*EP = Exposed pad.
MAX6960MAX6963
4-Wire Serially Interfaced
8 x 8 Matrix Graphic LED Drivers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V+ = 2.7V to 3.6V, T
A
= T
MIN
to T
MAX
, typical values at V+ = 3.3V, T
A
= +25C, unless otherwise noted.) (Note 1)
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Voltage (with respect to GND)
V+ .............................................................................-0.3V to +4V
All Other Pins................................................-0.3V to (V+ + 0.3V)
ROW1ROW8 Sink Current ..............................................750mA
COL1COL16 Source Current ...........................................48mA
Continuous Power Dissipation (T
A
= +70C)
44-Pin MQFP
(derate 12.7 mW/C over +70C) ...............................1012mW
44-Pin TQFN
(derate 27mW/C over +70C) ...................................2162mW
Operating Temperature Range
(T
MIN
to T
MAX
) ..............................................-40C to +125C
Junction Temperature ......................................................+150C
Storage Temperature Range .............................-65C to +150C
Lead Temperature (soldering, 10s) .................................+300C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Operating Supply Voltage
V+
2.7
3.6
V
T
A
= +25C
250
375
T
A
= T
MIN
to +85C
500
Shutdown Supply Current
I
SHDN
Shutdown mode, all
digital inputs at V+
or GND
T
A
= T
MIN
to T
MAX
600
A
T
A
= +25C
7.5
9
T
A
= T
MIN
to +85C
10
Operating Supply Current
I+
Intensity set to full,
no display load
connected
T
A
= T
MIN
to T
MAX
11
mA
Master Clock Frequency
f
OSC
1
8.5
MHz
Dead-Clock Protection
Frequency
f
OSC
50
90.5
200
kHz
OSC High Time
t
CH
40
ns
OSC Low Time
t
CL
40
ns
T
A
= +25C
38
40
42
T
A
= T
MIN
to +85C
37
43
V
LED
= 2.3V, V+ =
3.15V to 3.6V,
current = high
T
A
= T
MIN
to T
MAX
37
44
T
A
= +25C
19
20
21
T
A
= T
MIN
to +85C
18.5
21.5
Anode Column Source Current
COL1COL16
I
SEG
V
LED
= 2.3V, V+ =
2.7V to 3.6V, current
= low
T
A
= T
MIN
to T
MAX
18.5
22
mA
V
LED
= 2.3V, V+ = 3.15V to 3.6V,
current = high
200
Anode Column Source-Current
Temperature Variation
COL1COL16
I
TC
V
LED
= 2.2V, V+ = 2.7V to 3.3V,
current = low
200
ppm/C
Segment Current Slew Rate
I
SEG
/
t
T
A
= +25C
30
mA/s
MAX6960MAX6963
4-Wire Serially Interfaced
8 x 8 Matrix Graphic LED Drivers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 2.7V to 3.6V, T
A
= T
MIN
to T
MAX
, typical values at V+ = 3.3V, T
A
= +25C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC INPUTS AND OUTPUTS
Input Leakage Current
DIN, CLK,
CS, OSC, ADDIN,
ADDCLK,
RST
I
IH
, I
IL
-200
+20
+200
nA
Logic-High Input Voltage
DIN, CLK,
CS, OSC, ADDIN,
ADDCLK
V
IHI
0.7 x
V+
V
Logic-Low Input Voltage
DIN, CLK,
CS, OSC, ADDIN,
ADDCLK
V
ILO
0.3 x
V+
V
Logic-High Input Voltage
RST
V
IHR
0.95 x
V+
V
Logic-Low Input Voltage
RST
V
ILR
0.4 x
V+
V
DOUT Output Rise and Fall Times
t
FTDO
C
LOAD
= 100pF
10
ns
DOUT Output High Voltage
V
OHDO
I
SOURCE
= 20mA
V+ -
0.3
V
DOUT Output Low Voltage
V
OLDO
I
SINK
= 20mA
0.3
V
ADDOUT Output High Voltage
V
OHADO
I
SOURCE
= 500A
V+ -
0.3
V
ADDOUT Output Low Voltage
V
OLADO
I
SINK
= 500A
0.3
V
ADDCLK Output High Voltage
V
OHACK
I
SOURCE
= 2.5mA
V+ -
0.3
V
ADDCLK Output Low Voltage
V
OLACK
I
SINK
= 2.5mA
0.3
V
TIMING CHARACTERISTICS
CLK Clock Period
t
CP
50
ns
CLK Pulse-Width High
t
CH
22
ns
CLK Pulse-Width Low
t
CL
22
ns
CS Fall to CLK Rise Setup Time
t
CSS
12.5
ns
CLK Rise to
CS Rise Hold Time
t
CSH
0
ns
DIN Setup Time
t
DS
12.5
ns
DIN Hold Time
t
DH
10
ns
Output Data Propagation Delay
t
DO
22
ns
Minimum
CS Pulse High
t
CSW
25
ns
Note 1: All parameters tested at T
A
= +25C. Specifications over temperature are guaranteed by design.
MAX6960MAX6963
4-Wire Serially Interfaced
8 x 8 Matrix Graphic LED Drivers
4
_______________________________________________________________________________________
Typical Operating Characteristics
(T
A
= +25C, unless otherwise noted.)
OPERATING SUPPLY CURRENT
vs. TEMPERATURE
MAX6960 toc01
TEMPERATURE (
C)
SUPPLY CURRENT (mA)
92
59
26
-7
7.2
7.4
7.6
7.8
8.0
7.0
-40
125
3.6V
3.3V
2.7V
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX6960 toc02
TEMPERATURE (
C)
SUPPLY CURRENT (mA)
92
59
26
-7
0.1
0.2
0.3
0.4
0
-40
125
3.6V
3.3V
2.7V
DEAD-CLOCK OSCILLATOR
vs. SUPPLY VOLTAGE
MAX6960 toc03
SUPPLY VOLTAGE (V)
DEAD-CLOCK OSCILLATOR
3.38
3.16
2.94
2.72
85
90
95
100
80
2.50
3.60
+25
C
-40
C
+125
C
PEAK-OUTPUT SOURCE CURRENT
vs. SUPPLY VOLTAGE (HIGH-CURRENT MODE)
MAX6960 toc04
SUPPLY VOLTAGE (V)
PEAK-OUTPUT CURRENT (mA)
3.4
3.1
2.8
37
39
41
43
45
35
2.5
3.7
2.3V LED
PEAK-OUTPUT SOURCE CURRENT
vs.SUPPLY VOLTAGE (LOW-CURRENT MODE)
MAX6960 toc05
SUPPLY VOLTAGE (V)
PEAK-OUTPUT CURRENT (mA)
3.5
3.3
3.1
2.9
2.7
18
19
20
21
22
17
2.5
3.7
2.2V LED
PEAK-OUTPUT SOURCE CURRENT
vs. TEMPERATURE (HIGH-CURRENT MODE)
MAX6960 toc06
TEMPERATURE (
C)
PEAK-OUTPUT CURRENT (mA)
92
59
26
-7
39.6
40.0
40.4
40.8
39.2
-40
125
2.3V LED
3.6V
3.3V
3.15V
Typical Operating Characteristics
MAX6960MAX6963
4-Wire Serially Interfaced
8 x 8 Matrix Graphic LED Drivers
_______________________________________________________________________________________
5
Pin Description
PIN
MQFP
TQFN
NAME
FUNCTION
1, 6, 11,
12, 44
1, 6, 11,
12, 44
GND
Ground
25, 710
25, 710
ROW1ROW8
LE D C athod e D r i ver s. ROW 1 to RO W 8 outp uts si nk cur r ent fr om the d i sp l ay' s cathod e r ow s.
13
13
OSC
Multiplex Clock Input. Drive OSC with a 1MHz to 8.5MHz CMOS clock.
14
14
CS
Chip-Select Input. Serial data is loaded into the shift register when
CS is low. Data is
loaded into the data latch on
CS's rising edge.
15
15
DIN
Serial-Data Input. Data from DIN loads into the internal shift register on CLK's rising edge.
16
16
DOUT
Serial-Data Output. The output is tri-state.
17
17
CLK
Serial-Clock Input. On CLK's rising edge data shifts into the internal shift register.
18
18
RST
Reset Input. Hold
RST low until at least 50ms after all interconnected MAX6960s are
powered up.
19, 20,
21,
2327,
2933,
35, 36,
37
19, 20,
21,
2327,
2933,
35, 36,
37
COL1COL16
LED Anode Drivers. COL1 to COL16 outputs source current into the display's anode
columns.
22, 28,
34, 38
22, 28,
34, 38
V+
Positive Supply Voltage. Bypass V+ to GND with a single 47F bulk capacitor per chip
plus a 0.1F ceramic capacitor per V+.
39
39
ADDOUT
Address-Data Output. Connect ADDOUT to ADDIN of the next MAX6960. Use ADDOUT of
the last MAX6960 as a plane change interrupt output.
40
40
ADDIN
Address-Data Input. For first MAX6960, connect ADDIN to V+. For other MAX6960s,
connect ADDIN to ADDOUT of the preceding MAX6960.
41
41
ADDCLK
Address-Clock Input/Output. Connect ADDCLK of all MAX6960 drivers together, ensuring
that only one MAX6960's ADDIN input is connected to V+.
42
42
RISET0
Digit 0 Current Setting. Connect RISET0 to GND to program all of digit 0's segment
currents to 40mA. Leave RISET0 open circuit to program all of digit 0's segment currents
to 20mA. Connect RISET0 to GND through a fixed or variable resistor to adjust all of digit
0's segment currents between 20mA and 40mA.
43
43
RISET1
Digit 1 Current Setting. Connect RISET1 to GND to program all of digit 1's segment
currents to 40mA. Leave RISET1 open circuit to program all of digit 1's segment currents
to 20mA. Connect RISET1 to GND through a fixed or variable resistor to adjust all of digit
1's segment currents between 20mA and 40mA.
--
EP
EP
Exposed Pad on Package Underside. Connect to GND.
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