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DM74145N 데이터시트(PDF) 1 Page - Fairchild Semiconductor

부품명 DM74145N
상세설명  BCD to Decimal Decoders/Drivers
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제조업체  FAIRCHILD [Fairchild Semiconductor]
홈페이지  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

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© 2000 Fairchild Semiconductor Corporation
DS006544
www.fairchildsemi.com
September 1986
Revised February 2000
DM74145
BCD to Decimal Decoders/Drivers
General Description
These BCD-to-decimal decoders/drivers consist of eight
inverters and ten, four-input NAND gates. The inverters are
connected in pairs to make BCD input data available for
decoding by the NAND gates. Full decoding of BCD input
logic ensures that all outputs remain OFF for all invalid
(10–15) binary input conditions. These decoders feature
high-performance, NPN output transistors designed for use
as indicator/relay drivers, or as open-collector logic-circuit
drivers. The high-breakdown output transistors are com-
patible for interfacing with most MOS integrated circuits.
Features
s Full decoding of input logic
s 80 mA sink-current capability
s All outputs are OFF for invalid BCD input conditions
Ordering Code:
Connection Diagram
Function Table
H
= HIGH Level (OFF)
L
= LOW Level (ON)
Order Number
Package Number
Package Description
DM74145N
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
No.
Inputs
Outputs
DCBA
0123456789
0
LLLLL
HHHHHHHHH
1
L
L
L
HH
L
HHHHHHHH
2
L
L
H
L
H
H
L
HHHHHHH
3
L
L
HHHHH
L
HHHHHH
4
L
H
L
L
HHHH
L
HHHHH
5
L
H
L
HHHHHH
L
HHHH
6
L
HH
L
HHHHHH
L
HHH
7
L
HHHHHHHHHH
L
H
H
8
H
L
L
L
HHHHHHHH
L
H
9
H
L
L
HHHHHHHHHH
L
I
H
L
H
L
HHHHHHHHHH
N
H
L
HHHHHHHHHHHH
V
H
H
L
L
HHHHHHHHHH
A
H
H
L
HHHHHHHHHHH
L
HHH
L
HHHHHHHHHH
I
HHHHHHHHHHHHHH
D


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