ICM7224 Intersil Corporation, ICM7224 Datasheet - Page 2
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ICM7224
Manufacturer Part Number
ICM7224
Description
41/2 Digit LCD Display Counter
Manufacturer
Intersil Corporation
Datasheet
1.ICM7224.pdf
(7 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ICM7224IPL
Manufacturer:
HARRIS
Quantity:
20 000
Company:
Part Number:
ICM7224IQH+D
Manufacturer:
Maxim Integrated
Quantity:
10 000
Company:
Part Number:
ICM7224IQH+TD
Manufacturer:
Maxim Integrated
Quantity:
10 000
Functional Block Diagram
OSCILLATOR
COUNT
BLANKING
INHIBIT
COUNT
RESET
INPUT
LEADING
OUTPUT
STORE
INPUT
ZERO
SCHMITT
TRIGGER
SEGMENT OUTPUTS
CL
OSCILLATOR
÷
7 WIDE DRIVER
R
7 WIDE LATCH
2
Q
DECODER
DIGIT 1
LSD
DETECTOR
ENABLE
CL
÷
R
5
Q
+124
SEGMENT OUTPUTS
CL
÷
7 WIDE DRIVER
R
7 WIDE LATCH
2
Q
DECODER
BLACKPLANE
DIGIT 2
ENABLE
DRIVER
ICM7224
CL
÷
R
5
Q
2
SEGMENT OUTPUTS
CL
÷
7 WIDE DRIVER
R
7 WIDE LATCH
2
Q
DECODER
DIGIT 3
CL
÷
R
5
Q
SEGMENT OUTPUTS
CL
÷
7 WIDE DRIVER
R
7 WIDE LATCH
2
Q
DECODER
DIGIT 4
CL
÷
R
5
BP INPUT/OUTPUT
Q
V
DD
D
CL
1
1
1
LEADING
ZERO
BLANKING
INPUT
OUTPUT
DRIVER
LATCH
/
/
/
2
2
2
DIGIT
MSD
CARRY
OUTPUT
1
DIGIT
DIGIT
DIGIT
R
/
2
Q