ICM7249 Datasheet, PDF (2/9 Pages) Intersil Corporation – 51/2 Digit LCD, Micro-Power Event/Hour Meter

ICM7249
Functional Block Diagram
OSC
IN
OSC
OUT
S/S
V+
OSC
VOLTAGE
REGLATOR
2¹⁵ DIVIDER
SWITCH
DEBOUNCE
1Hz
6 SEC
÷6
÷6
32Hz
C0
C1
C2
C3
16
V-
÷2
1 SEG
DEC
÷10
4
7 SEG
DEC
÷10
7 SEG
DEC
÷10
7 SEG
DEC
÷10
7 SEG
DEC
÷10
4
7 SEG
DEC
÷10
÷10
÷10
WINK
SEG
1Hz
DISPLAY
TEST
32Hz
B6
F5 G5
A1
W
BP
DT
9-24