ICL7126 View Datasheet(PDF) - Renesas Electronics
Part Name
Description
Manufacturer
ICL7126 Datasheet PDF : 15 Pages
| |||
ICL7216
a
a
f
b
g
b
e
c
d
BACKPLANE
21
LCD PHASE DRIVER
TYPICAL SEGMENT OUTPUT
V+
0.5mA
2mA
SEGMENT
OUTPUT
INTERNAL DIGITAL GROUND
7
SEGMENT
DECODE
7
SEGMENT
DECODE
7
SEGMENT
DECODE
LATCH
1000’s
100’s
COUNTER COUNTER
10’s
COUNTER
1’s
COUNTER
TO SWITCH DRIVERS
FROM COMPARATOR OUTPUT
† THREE INVERTERS.
ONE INVERTER SHOWN FOR CLARITY.
CLOCK
†
4
LOGIC CONTROL
INTERNAL
DIGITAL
GROUND
VTH = 1V
40
OSC 1
39
OSC 2
38
OSC 3
1
HLDR
200
35
V+
6.2V
500
TEST
37
26 V-
FIGURE 8. DIGITAL SECTION
INTERNAL TO PART
INTERNAL TO PART
4
CLOCK
4
40
39
38
TEST ICL7126
FIGURE 9A. EXTERNAL SIGNAL
40
39
38
R
C
FIGURE 9B. RC OSCILLATOR
FIGURE 9. CLOCK CIRCUITS
CLOCK
FN3084 Rev.5.00
Oct 25, 2004
Page 9 of 15
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