ICM7211ALPL INTERSIL [Intersil Corporation], ICM7211ALPL Datasheet

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ICM7211ALPL

Manufacturer Part Number
ICM7211ALPL
Description
4-Digit, LCD Display Driver
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet
August 2001
1-888-INTERSIL or 321-724-7143
Features
• Four Digit Non-Multiplexed 7 Segment LCD Display
• Complete Onboard RC Oscillator to Generate Backplane
• Backplane Input/Output Allows Simple Synchronization
• ICM7211A Devices Provide Separate Digit Select Inputs
• ICM7211AM Devices Provide Data and Digit Address
• Decodes Binary to Code B (0-9, Dash, E, H, L, P, Blank)
• Available in Surface Mount Package
Ordering Information
ICM7211AlPL
ICM7211AMlPL
ICM7211AMlM44
PART NUMBER
Outputs with Backplane Driver
Frequency
of Slave-Devices to a Master
to
Functionally Compatible with Siliconix DF411)
Latches Controlled by Chip Select Inputs to Provide a
Direct High Speed Processor Interface
Accept
Multiplexed
DISPLAY
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
TYPE
|
LCD
LCD
LCD
Intersil and Design is a trademark of Intersil Americas Inc.
Code B
Code B
Code B
BCD
DECODING
DISPLAY
Input
Multiplexed
Microprocessor
Microprocessor
(Pinout
INTERFACING
INPUT
and
1
Description
The ICM7211A (LCD) device constitutes a family of non-mul-
tiplexed four-digit seven-segment CMOS display decoder-
drivers.
The ICM7211A devices are configured to drive conventional
LCD displays by providing a complete RC oscillator, divider
chain, backplane driver, and 28 segment outputs.
This device is available with multiplexed or microprocessor
input configurations. The multiplexed versions provide four
data inputs and four Digit Select inputs. This configuration is
suitable for interfacing with multiplexed BCD or binary output
devices, such as the ICL7135. The microprocessor versions
provide data input latches and Digit Address latches under
control of high-speed Chip Select inputs. These devices sim-
plify the task of implementing a cost-effective alphanumeric
seven-segment display for microprocessor systems, without
requiring extensive ROM or CPU time for decoding and dis-
play updating.
The ICM7211A provides the “Code B” output code, i.e., 0-9,
dash, E, H, L, P, blank, but will correctly decode true BCD to
seven-segment decimal outputs.
|
Direct Drive
Direct Drive
Direct Drive
DISPLAY DRIVE
Copyright © Intersil Americas Inc. 2001
TYPE
4-Digit, LCD Display Driver
RANGE (
-40× to 85×
-40× to 85×
-40× to 85×
ICM7211A
TEMP.
o
C)
40 Ld PDIP
40 Ld PDIP
44 Ld MQFP
PACKAGE
File Number
E40.6
E40.6
Q44.10x10
PKG. NO.
3158.4

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ICM7211ALPL Summary of contents

Page 1

... Direct High Speed Processor Interface • Decodes Binary to Code B (0-9, Dash Blank) • Available in Surface Mount Package Ordering Information DISPLAY DISPLAY PART NUMBER TYPE DECODING ICM7211AlPL LCD Code B ICM7211AMlPL LCD Code B ICM7211AMlM44 LCD Code B CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. ...

Page 2

Pinouts ICM7211A (PDIP) TOP VIEW ...

Page 3

Functional Block Diagrams D4 SEGMENT OUTPUTS 7 WIDE DRIVER 7 WIDE LATCH EN PROGRAMMABLE DECODER DATA INPUTS DIGIT SELECT INPUTS OSCILLATOR INPUT ENABLE DIRECTOR D4 SEGMENT OUTPUTS 7 WIDE DRIVER 7 WIDE LATCH EN PROGRAMMABLE 4 TO ...

Page 4

Absolute Maximum Ratings Supply Voltage ( 6. ...

Page 5

Input Definitions In this table, V and V DD specified under Operating Characteristics. For lowest power consumption, input signals should swing over the full supply. INPUT DIP TERMINAL OSC 36 Multiplexed-Binary Input ...

Page 6

Typical Performance Curves 30 LCD DEVICES, TEST CIRCUIT DISPLAY BLANK, PIN 36 OPEN (V) SUPP FIGURE 3. OPERATING SUPPLY CURRENT AS A FUNCTION ...

Page 7

Input Configurations and Output Codes The ICM7211A accepts a four-bit true binary (i.e., positive level = logical one) input at pins 27 thru 30, least significant bit at pin 27 ascending to the most significant bit at pin 30. It ...

Page 8

Test Circuit EACH SEGMENT OUTPUT TO BACKPLANE WITH A 200pF CAPACITOR Typical Applications 8-DIGIT LCD DISPLAY BACKPLANE SLAVE + OSC B3-B0 BCD/BINARY 4 DATA DIGIT SELECTS FIGURE 8. ...

Page 9

Typical Applications (Continued) + P10 XTAL1 XTAL2 33 4 RESET P17 34 P20 ...

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