BCD to Seven Segment Decoder/Driver
DATASHEET
CA3161
BCD to Seven Segment Decoder/Driver
Features
• TTL Compatible Input Logic Levels • 25mA (Typ) Constan...
Description
DATASHEET
CA3161
BCD to Seven Segment Decoder/Driver
Features
TTL Compatible Input Logic Levels 25mA (Typ) Constant Current Segment Outputs Eliminates Need for Output Current Limiting Resistors Pin Compatible with Other Industry Standard
Decoders Low Standby Power Dissipation . . . . . . . .18mW (Typ)
Ordering Information
TEMP. PART NUMBER RANGE (oC)
PACKAGE
CA3161E
0 to 70 16 Ld PDIP
PKG. NO.
E16.3
FN1079 Rev.3.00 Aug 1997
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.
SEGMENT DRIVER OUTPUTS
BCD INPUTS
Pinout
CA3161 (PDIP) TOP VIEW
21 1 22 2 NC 3 NC 4 NC 5 23 6 20 7 GND 8
16 V+
15 f 14 g 13 a 12 b 11 c 10 d 9e
SEGMENT DRIVER OUTPUTS BCD INPUTS
Functional Block Diagram
23 6
22 21
2
1
INPUT BUFFERS
...
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