ICM7243 Intersil Corporation, ICM7243 Datasheet - Page 3

• Manufacturer Part Number: ICM7243
• Description: 8-character, Microprocessor-compatible, Led Display Decoder Driver
• Manufacturer: Intersil Corporation

Functional Block Diagram
NOTE:
A2/DISP FULL
1. ICM7243A has only one CS and no CS.
ICM7243B has 15 Segments.
A0/SEN
A1/CLR
MODE
(NOTE 1)
DATA INPUT
WR
CS
CS
CS
D
MUX
D0 - D5
SEL
OSC/OFF
CL
3
D
D ADDRESS
D
OSCILLATOR
OSCILLATOR
MULTIPLEX
CONTROL
LATCHES
LATCHES
LATCH
DATA
CL
CL
CL
Q
Q
ICM7243
ICM7243
CLR
CLR
D1
EN
SHOT
CHARACTER
SEQUENTIAL
SEQUENTIAL
OVERFLOW
ONE
MULTIPLEX
COUNTER
CL
ADDRESS
COUNTER
MEMORY
DATA
8 x 6
CL
ADR
8
D0
3
3
3
INTER-CHARACTER BLANKING
6
MULITPLEXER
MULTIPLEXER
DECODER
(NOTE 1)
ADDRESS
64 x 17
SEL
ROM
AND
(NOTE 1)
8
17
CHARACTER
CHARACTER
DRIVERS
SEGMENT
DRIVERS
8
SEGMENT
OUTPUTS
SEG x
CHAR N
CHARACTER
OUTPUTS
October 28, 2005
FN3162.3