ICM7243_05 Datasheet, PDF (3/14 Pages) Intersil Corporation – 8-Character, Microprocessor-Compatible, LED Display Decoder Driver

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