ICM7211ALM44 INTERSIL [Intersil Corporation], ICM7211ALM44 Datasheet - Page 4

• Manufacturer Part Number: ICM7211ALM44
• Description: 4-Digit, ICM7211 (LCD) and ICM7212 (LED) Display Drivers
• Manufacturer: INTERSIL [Intersil Corporation]

Functional Block Diagrams
SELECT 1
ADRESS
SELECT 2
INPUTS
OSCILLATOR
INPUT
DIGIT
DATA
2-BIT
OSCILLATOR
CHIP
CHIP
SELECT
INPUTS
INPUTS
INPUT
DIGIT
DATA
INPUT
ENABLE
ENABLE
LATCH
LATCH
4-BIT
2-BIT
SEGMENT OUTPUTS
PROGRAMMABLE
7 WIDE LATCH EN
4 TO 7 DECODER
7 WIDE DRIVER
SEGMENT OUTPUTS
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
SHOT
7 WIDE DRIVER
ONE
D4
DIRECTOR
ENABLE
D4
DIRECTOR
ENABLE
DECODER
2 TO 4
FREE-RUNNING
SEGMENT OUTPUTS
OSCILLATOR
PROGRAMMABLE
7 WIDE LATCH EN
4 TO 7 DECODER
7 WIDE DRIVER
ICM7211, ICM7212
FREE-RUNNING
19kHz
SEGMENT OUTPUTS
OSCILLATOR
PROGRAMMABLE
7 WIDE LATCH EN
4 TO 7 DECODER
7 WIDE DRIVER
19kHz
D3
ICM7211AM
ICM7211A
D3
9-9
128
SEGMENT OUTPUTS
128
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
7 WIDE DRIVER
SEGMENT OUTPUTS
PROGRAMMABLE
7 WIDE LATCH EN
4 TO 7 DECODER
7 WIDE DRIVER
BLACKPLANE
D2
ENABLE
DRIVER
BLACKPLANE
D2
ENABLE
DRIVER
SEGMENT OUTPUTS
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
BP INPUT/OUTPUT
7 WIDE DRIVER
SEGMENT OUTPUTS
7 WIDE LATCH EN
PROGRAMMABLE
4 TO 7 DECODER
BP INPUT/OUTPUT
7 WIDE DRIVER
D1
D1