ICL7126CPL Intersil, ICL7126CPL Datasheet - Page 9

• Manufacturer Part Number: ICL7126CPL
• Description: IC ADC 3.5 DIGIT LCD LP 40-DIP
• Manufacturer: Intersil

Specifications of ICL7126CPL

• Display Type: LCD
• Configuration: 7 Segment
• Digits Or Characters: A/D 3.5 Digits
• Current - Supply: 70µA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Supply: -
• Interface: -
• Other names: ICL7126CPLIS

40
TEST ICL7126
†
ONE INVERTER SHOWN FOR CLARITY.
THREE INVERTERS.
INTERNAL TO PART
TYPICAL SEGMENT OUTPUT
INTERNAL DIGITAL GROUND
FIGURE 9A. EXTERNAL SIGNAL
39
0.5mA
2mA
V+
SEGMENT
9
OUTPUT
38
OSC 1
FROM COMPARATOR OUTPUT
÷
40
4
†
TO SWITCH DRIVERS
FIGURE 9. CLOCK CIRCUITS
OSC 2
FIGURE 8. DIGITAL SECTION
CLOCK
CLOCK
39
COUNTER
ICL7126
1000’s
OSC 3
b
a
40
COUNTER
SEGMENT
DECODE
38
LCD PHASE DRIVER
100’s
INTERNAL TO PART
INTERNAL
7
GROUND
DIGITAL
÷4
LATCH
FIGURE 9B. RC OSCILLATOR
SEGMENT
COUNTER
DECODE
10’s
HLDR
1
39
7
R
LOGIC CONTROL
SEGMENT
COUNTER
DECODE
e
f
V
1’s
d
TH
7
g
a
= 1V
c
b
38
C
21
÷200
÷
500Ω
4
BACKPLANE
6.2V
35
37
26
CLOCK
V+
TEST
V-
FN3084.5