ICM7211 데이터 시트보기 (PDF) - Intersil

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ICM7211

4-Digit, ICM7211 (LCD) and ICM7212 (LED) Display Drivers

Intersil 

Functional Block Diagrams

D4

SEGMENT OUTPUTS

ICM7211, ICM7212

ICM7211A

D3

SEGMENT OUTPUTS

D2

SEGMENT OUTPUTS

D1

SEGMENT OUTPUTS

7 WIDE DRIVER

7 WIDE DRIVER

7 WIDE DRIVER

7 WIDE DRIVER

7 WIDE LATCH EN

7 WIDE LATCH EN

7 WIDE LATCH EN

7 WIDE LATCH EN

DATA

INPUTS

DIGIT

SELECT

INPUTS

PROGRAMMABLE

4 TO 7 DECODER

OSCILLATOR

INPUT

ENABLE

DIRECTOR

PROGRAMMABLE

4 TO 7 DECODER

PROGRAMMABLE

4 TO 7 DECODER

OSCILLATOR

19kHz

FREE-RUNNING

÷128

BLACKPLANE

DRIVER

ENABLE

PROGRAMMABLE

4 TO 7 DECODER

BP INPUT/OUTPUT

D4

SEGMENT OUTPUTS

ICM7211AM

D3

SEGMENT OUTPUTS

D2

SEGMENT OUTPUTS

D1

SEGMENT OUTPUTS

7 WIDE DRIVER

7 WIDE DRIVER

7 WIDE DRIVER

7 WIDE DRIVER

7 WIDE LATCH EN

7 WIDE LATCH EN

7 WIDE LATCH EN

7 WIDE LATCH EN

PROGRAMMABLE

4 TO 7 DECODER

PROGRAMMABLE

4 TO 7 DECODER

PROGRAMMABLE

4 TO 7 DECODER

DATA

INPUTS

2-BIT

DIGIT

ADRESS

INPUT

CHIP

SELECT 1

CHIP

SELECT 2

4-BIT

LATCH

ENABLE

2-BIT

LATCH

ENABLE

2 TO 4

DECODER

ONE

SHOT

OSCILLATOR

INPUT

ENABLE

DIRECTOR

OSCILLATOR

19kHz

FREE-RUNNING

÷128

BLACKPLANE

DRIVER

ENABLE

PROGRAMMABLE

4 TO 7 DECODER

BP INPUT/OUTPUT

9-9

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