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CA3161 Datasheet

  • CA3161

  • BCD to Seven Segment Decoder/Driver

  • 4頁(yè)

  • INTERSIL   INTERSIL

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CA3161
August 1997
BCD to Seven Segment Decoder/Driver
Description
The CA3161E is a monolithic integrated circuit that performs
the BCD to seven segment decoding function and features
constant current segment drivers. When used with the
CA3162E A/D Converter the CA3161E provides a complete
digital readout system with a minimum number of external
parts.
Features
鈥?TTL Compatible Input Logic Levels
鈥?25mA (Typ) Constant Current Segment Outputs
鈥?Eliminates Need for Output Current Limiting Resistors
鈥?Pin Compatible with Other Industry Standard
Decoders
鈥?Low Standby Power Dissipation . . . . . . . . 18mW (Typ)
Ordering Information
PART NUMBER
CA3161E
TEMP.
RANGE (
o
C)
0 to 70
PACKAGE
16 Ld PDIP
PKG.
NO.
E16.3
Pinout
CA3161
(PDIP)
TOP VIEW
Functional Block Diagram
BCD INPUTS
2
3
2
2
2
1
2
0
6
2
1
7
INPUT
BUFFERS
BCD TO
7 SEGMENT
DECODER
13
12
CONSTANT
CURRENT
SEGMENT
DRIVERS
11
10
9
15
a
b
c
d
e
f
g
BCD INPUTS
2
1
2
2
NC
NC
1
2
3
4
5
6
7
8
16 V
+
SEGMENT DRIVER OUTPUTS
15
f
14
g
13
a
12
b
11
c
10
d
9
e
BIAS
CIRCUITRY
14
BCD INPUTS
NC
2
3
2
0
GND
8
GND
16
V+
SEGMENT
a-g
a
f
g
e
d
SEGMENT DRIVER
SEGMENT
IDENTIFICATION
b
c
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
漏
Intersil Corporation 1999
File Number
1079.3
9-5
SEGMENT DRIVER OUTPUTS

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