mc54f537 Freescale Semiconductor, Inc, mc54f537 Datasheet
mc54f537
Manufacturer Part Number
mc54f537
Description
1-of-10 Decoder With 3-state Outputs
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC54F537.pdf
(3 pages)
1-OF-10 DECODER
WITH 3-STATE OUTPUTS
HIGH BCD inputs and ten mutually exclusive outputs. A polarity control input
determines whether the outputs are active LOW or active HIGH. The
MC54 / 74F537 has 3-state outputs, and a HIGH signal on the Output Enable
(OE) input forces all outputs to the high impedance state. Two input enables,
active HIGH E 2 and active LOW E 1 , are available for demultiplexing data to
the selected output in either non-inverted or inverted form. Input codes greater
than BCD nine cause all outputs to go to the inactive state (i.e., same polarity
as the P input).
Please note that this diagram is provided only for the understanding of logic operations and
should not be used to estimate propagation delays.
OE
A 3
A 2
A 1
A 0
E 1
E 2
The MC54 / 74F537 is a one-of-ten decoder/demultiplexer with four active
P
Demultiplexing Capability
3-State Outputs
Multiple Input Enable for Expansion
Polarity Control Input
ESD Protection > 4000 Volts
V CC
O 2
20
CONNECTION DIAGRAM DIP (TOP VIEW)
1
O 0
O 3
19
O 1
2
O 0
O 4
18
O 1
3
LOGIC DIAGRAM
A 3
17
4
P
O 2
A 2
OE
16
5
O 3
E 1
15
A 0
6
O 4
E 2
14
7
A 1
O 9
13
O 5
8
O 5
FAST AND LS TTL DATA
O 8
12
O 6
9
O 6
GND
O 7
10
11
4-203
O 7
O 8
O 9
15
14
20
5
20
1
20
WITH 3-STATE OUTPUTS
1
MC54/74F537
E 1
E 2
OE
ORDERING INFORMATION
FAST
MC54FXXXJ
MC74FXXXN
MC74FXXXDW SOIC
O 0 O 1 O 2 O 3 O 4 O 5 O 6 O 7 O 8 O 9
3 2 1 19 18 8 9 11 12 13
1-OF-10 DECODER
1
4
P
LOGIC SYMBOL
V CC = PIN 20
GND = PIN 10
SCHOTTKY TTL
A 0 A 1 A 2 A 3
6 7 16 17
Ceramic
Plastic
CASE 751D-03
CASE 732-03
CASE 738-03
DW SUFFIX
CERAMIC
N SUFFIX
J SUFFIX
PLASTIC
SOIC
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mc54f537 Summary of contents
Page 1
DECODER WITH 3-STATE OUTPUTS The MC54 / 74F537 is a one-of-ten decoder/demultiplexer with four active HIGH BCD inputs and ten mutually exclusive outputs. A polarity control input determines whether the outputs are active LOW or active HIGH. The MC54 ...
Page 2
GUARANTEED OPERATING RANGES Symbol Parameter V CC Supply Voltage Operating Ambient Temperature Range Operating Ambient Temperature Range I OH Output Current — High I OL Output Current — Low DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE Symbol ...
Page 3
TRUTH TABLE FUNCTION FUNCTION HIGH Impedance Disable Active HIGH Active HIGH Active HIGH Active HIGH Active HIGH Active HIGH L L ...