MM74C42 BCD-to-Decimal Decoder Datasheet

MM74C42 Datasheet, PDF, Equivalent


Part Number

MM74C42

Description

BCD-to-Decimal Decoder

Manufacture

Fairchild

Total Page 4 Pages
Datasheet
Download MM74C42 Datasheet


MM74C42
October 1987
Revised January 1999
MM74C42
BCD-to-Decimal Decoder
General Description
The MM74C42 one-of-ten decoder is a monolithic comple-
mentary MOS (CMOS) integrated circuit constructed with
N- and P-channel enhancement transistors. This decoder
produces a logical “0” at the output corresponding to a four
bit binary input from zero to nine, and a logical “1” at the
other outputs. For binary inputs from ten to fifteen all out-
puts are logical “1”.
Features
s Supply voltage range: 3V to 15V
s Tenth power TTL compatible: drive 2 LPTTL loads
s High noise immunity: 0.45 VCC (typ.)
s Low power: 50 nW (typ.)
s Medium speed operation: 10 MHz (typ.) with 10V VCC
Applications
• Automotive
• Data terminals
• Instrumentation
• Medical electronics
• Alarm systems
• Industrial electronics
• Remote metering
• Computers
Ordering Code:
Order Number Package Number
Package Description
MM74C42N
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Connection Diagram
Pin Assignments for DIP
Top View
© 1999 Fairchild Semiconductor Corporation DS005882.prf
www.fairchildsemi.com

MM74C42
Schematic Diagram
Truth Table
Inputs
Outputs
DCBA 0 1 2 3 4 5 6 7 8 9
00000111111111
00011011111111
00101101111111
00111110111111
0 1 0 0 1 1 1 1 0 11 1 1 1
01011111101111
01101111110111
01111111111011
10001111111101
10011111111110
10101111111111
10111111111111
11001111111111
11011111111111
11101111111111
11111111111111
www.fairchildsemi.com
2


Features MM74C42 BCD-to-Decimal Decoder October 1987 Revised January 1999 MM74C42 BCD- to-Decimal Decoder General Description The MM74C42 one-of-ten decoder is a mon olithic complementary MOS (CMOS) integr ated circuit constructed with N- and P- channel enhancement transistors. This d ecoder produces a logical “0” at th e output corresponding to a four bit bi nary input from zero to nine, and a log ical “1” at the other outputs. For binary inputs from ten to fifteen all o utputs are logical “1”. s Low power : 50 nW (typ.) s Medium speed operation : 10 MHz (typ.) with 10V VCC Applicati ons • Automotive • Data terminals Instrumentation • Medical electron ics • Alarm systems Features s Suppl y voltage range: 3V to 15V s Tenth powe r TTL compatible: drive 2 LPTTL loads s High noise immunity: 0.45 VCC (typ.) • Industrial electronics • Remote m etering • Computers Ordering Code: O rder Number MM74C42N Package Number N16 E Package Description 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wid.
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