mc54f538j Freescale Semiconductor, Inc, mc54f538j Datasheet
mc54f538j
Manufacturer Part Number
mc54f538j
Description
1-of-8 Decoder With 3-state Outputs
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC54F538J.pdf
(3 pages)
1-OF-8 DECODER
WITH 3-STATE OUTPUTS
input signals and decodes them to select one of eight mutually exclusive
outputs. A polarity control input (P) determines whether the outputs are active
LOW or active HIGH. A HIGH Signal on either of the active LOW Output
Enable (OE) inputs forces all outputs to the high impedance state. Two active
HIGH and two active LOW input enables are available for easy expansion to
1-of-32 decoding with four packages, or for data demultiplexing to 1-of-8 or
1-of-16 destinations.
Please note that this diagram is provided only for the understanding of logic operations and
should not be used to estimate propagation delays.
The MC54 / 74F538 decoder/demultiplexer accepts three Address (A 0 – A 2 )
Output Polarity Control
Data Demultiplexing Capability
Multiple Enables for Expansion
3-State Outputs
ESD Protection > 4000 Volts
OE 1
OE 2
A 2
A 1
A 0
E 1
E 2
E 3
E 4
P
V CC
O 2
20
CONNECTION DIAGRAM DIP (TOP VIEW)
1
O 3
19
O 1
2
O 0
O 0
O 4
18
3
OE 1
A 2
17
4
LOGIC DIAGRAM
O 1
OE 2
E 1
16
5
O 2
E 2
15
A 0
6
O 3
E 3
14
A 1
7
E 4
13
8
O 5
FAST AND LS TTL DATA
O 4
12
O 6
P
9
O 5
GND
O 7
10
11
4-206
O 6
O 7
16
15
14
13
20
4
5
20
1
20
1
WITH 3-STATE OUTPUTS
MC54/74F538
ORDERING INFORMATION
E 1
E 2
E 3
E 4
OE 1
OE 2
FAST SCHOTTKY TTL
MC54FXXXJ
MC74FXXXN
MC74FXXXDW SOIC
O 0 O 1 O 2 O 3 O 4 O 5 O 6 O 7
3
1-OF-8 DECODER
1
LOGIC SYMBOL
12
P
2
V CC = PIN 20
GND = PIN 10
1
14 18
Ceramic
Plastic
A 0 A 1 A 2
6
CASE 751D-03
CASE 732-03
CASE 738-03
DW SUFFIX
8
CERAMIC
N SUFFIX
J SUFFIX
PLASTIC
7
SOIC
9
17
11
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mc54f538j Summary of contents
Page 1
DECODER WITH 3-STATE OUTPUTS The MC54 / 74F538 decoder/demultiplexer accepts three Address (A 0 – input signals and decodes them to select one of eight mutually exclusive outputs. A polarity control input (P) determines whether the ...
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 H X Impedance Impedance Disable Disable Disable Active HIGH Active HIGH Active HIGH Active HIGH ...