MAX6953 Maxim Integrated Products, MAX6953 Datasheet
MAX6953
Manufacturer Part Number
MAX6953
Description
2-Wire Interfaced/ 2.7V to 5.5V/ 4-Digit 5 x 7 Matrix LED Display Driver
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX6953.pdf
(23 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MAX6953EAX
Manufacturer:
MAXIM/美信
Quantity:
20 000
The MAX6953 is a compact cathode-row display driver
that interfaces microprocessors to 5
displays through an I
The MAX6953 drives up to four digits (140 LEDs).
Included on-chip are an ASCII 104-character font, mul-
tiplex scan circuitry, column and row drivers, and static
RAM that stores each digit, as well as font data for 24
user-definable characters. The segment current for the
LEDs is set by an internal digit-by-digit digital bright-
ness control.
The device includes a low-power shutdown mode, seg-
ment blinking (synchronized across multiple drivers, if
desired), and a test mode that forces all LEDs on. The
LED drivers are slew-rate limited to reduce EMI.
For an SPI™-compatible version, refer to the MAX6952
data sheet. An EV kit is available for the MAX6952.
19-2312; Rev 1; 6/02
I
SPI is a trademark of Motorola, Inc.
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.
2
C is a trademark of Philips Corp.
Message Boards
Medical Equipment
Industrial Displays
Audio/Video Equipment
Gaming Machines
2-Wire Interfaced, 2.7V to 5.5V, 4-Digit 5
47µF
________________________________________________________________ Maxim Integrated Products
3.3V
4.7kΩ
2
24pF
C
C™-compatible serial interface.
SET
General Description
4.7kΩ
3.3V
100nF
4.7kΩ
51kΩ
R
SET
Applications
✕
SCL
GND
GND
GND
SDA
BLINK
AD0
OSC
ISET
AD1
V+
V+
V+
7 dot-matrix LED
MAX6953
O10
O11
O12
O13
O14
O15
O16
O17
O18
O19
O20
O21
O22
O23
O9
O0
O1
O2
O3
O4
O5
O6
O7
O8
Matrix LED Display Driver
O10
O11
O12
O13
O14
O15
O16
O17
O18
O7
O8
O9
O14
O15
O16
O17
O18
O0
O1
O2
O3
O4
O5
O6
o 400kbps 2-Wire Interface Compatible with I
o 2.7V to 5.5V Operation
o Drives 4 Monocolor or 2 Bicolor Cathode-Row
o Built-In ASCII 104-Character Font
o 24 User-Definable Characters Available
o Automatic Blinking Control for Each Segment
o 70µA Low-Power Shutdown (Data Retained)
o 16-Step Digital Brightness Control
o Display Blanked on Power-Up
o Slew-Rate-Limited Segment Drivers for Lower EMI
o 36-Pin SSOP and 40-Pin DIP Packages
o Extended Temperature Range as Standard
Pin Configurations appear at end of data sheet.
MAX6953EAX
MAX6953EPL
DIGIT 2
C1
C2
C3
C4
C5
R1
R2
R3
R4
R5
R6
R7
DIGIT 0
C1
C2
C3
C4
C5
R1
R2
R3
R4
R5
R6
R7
5
✕
PART
7 Matrix Displays
Typical Application Circuit
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
O11
O19
O20
O21
O22
O23
O19
O20
O21
O22
O23
O10
O12
O13
O0
O1
O2
O3
O4
O5
O6
O7
O8
O9
Ordering Information
DIGIT 3
C1
C2
C3
C4
C5
R1
R2
R3
R4
R5
R6
R7
DIGIT 1
C1
C2
C3
C4
C5
R1
R2
R3
R4
R5
R6
R7
PIN-PACKAGE
36 SSOP
40 PDIP
Features
2
✕
C
7
1
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