SNJ54F253FK [TI]
F/FAST SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20;
| 型号： | SNJ54F253FK |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | F/FAST SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20 输出元件 逻辑集成电路 |
| 文件： | 总10页 (文件大小：409K) |
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54F253,74F253
54F253 74F253 Dual 4-Input Multiplexer with TRI-STATE(RM) Outputs
Literature Number: SNOS179A
November 1994
54F/74F253
Dual 4-Input Multiplexer with TRI-STATE Outputs
É
General Description
The ’F253 is a dual 4-input multiplexer with TRI-STATE
outputs. It can select two bits of data from four sources
using common select inputs. The output may be individually
switched to a high impedance state with a HIGH on the
respective Output Enable (OE) inputs, allowing the outputs
to interface directly with bus oriented systems.
Features
Y
Multifunction capability
É
Y
Non-inverting TRI-STATE outputs
Y
Guaranteed 4000V minimum ESD protection
Package
Commercial
74F253PC
Military
Package Description
Number
N16E
J16A
16-Lead (0.300 Wide) Moldual-In-Li
×
54F253DM (Note 2)
16-Lead Ceramic Dual-In-Line
74F253SC (Note 1)
74F253SJ (Note 1)
M16A
M16D
W16A
E20A
16-Lead (0.150 Widd Small tlinJEDEC
×
16-Lead (0.300 d Small Outline, EIAJ
×
54F253FM (Note 2)
54F253LL (Note 2)
16-LeCerpack
20-Lead Cmic Leess Chip arrier, Type C
e
Note 1: Devices also available in 13 reel. Use suffix
SCX and SJX.
×
Note 2: Military grade device with environmental and burn-in processing. Use su
, FMQB LMQB.
Logic Symbols
on Diagrams
Pin Assignm
DISOIC and Fla
Pin Assignment
for LCC
TL/F/95
IEEE/I
TL/F/9505–1
TL/F/9505–2
TL/F/9505–5
TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation
TL/F/9505
RRD-B30M75/Printed in U. S. A.
Unit Loading/Fan Out
54F/74F
Pin Names
Description
U.L.
HIGH/LOW
Input I /I
IH IL
Output I /I
OH OL
b
20 mA/ 0.6 mA
I
I
–I
0a 3a
–I
0b 3b
Side A Data Inputs
Side B Data Inputs
Common Select Inputs
1.0/1.0
1.0/1.0
1.0/1.0
b
20 mA/ 0.6 mA
b
20 mA/ 0.6 mA
S –S
0
1
b
OE
OE
Side A Output Enable Input (Active LOW)
Side B Output Enable Input (Active LOW)
TRI-STATE Outputs
1.0/1.0
1.0/1.0
150/40(33.3)
20 mA/ 0.6 mA
a
b
20 mA/ 0.6 mA
3 mA/24 mA (20 mA)
b
b
Z , Z
a
b
Functional Description
This device contains two identical 4-input multiplexers with
Truth Table
Select
Inputs
Output
Enable
Data Inputs
Output
Z
TRI-STATE outputs. They select two bits from four sources
selected by common Select inputs (S , S ). The 4-input mul-
0
1
tiplexers have individual Output Enable (OE , OE ) inputs
S
0
S
I
I
I
I
3
OE
1
0
1
2
a
b
which, when HIGH, force the outputs to a high impedance
(High Z) state. This device is the logic implementation of a
2-pole, 4-position switch, where the position of the switch is
determined by the logic levels supplied to the two select
inputs. The logic equations for the outputs are shown below:
X
L
L
X
X
L
H
X
X
X
X
L
X
X
X
X
X
X
X
X
H
L
L
L
L
L
L
L
H
e
a
a
Z
OE
(I
S
1
S
0
I
S
1
S
0
S )
#
0
H
L
L
H
H
L
H
H
H
H
X
X
X
X
X
H
X
X
X
X
X
L
H
X
X
L
L
L
L
H
L
H
L
#
#
#
#
#
a
a
0a
#
1
#
0
1a
#
1
a
I
S
S
I
S
2a
(I
3a
I
e
a
a
Z
OE
S
1
S
0
S
1
S
0
#
#
#
#
#
b
b
0b
#
1
#
0
1b
#
1
#
a
I
S
S
I
S
S )
0
2b
3b
H
If the outputs of TRI-STATE devices are tied together, all
but one device must be in the high impedance state to avoid
high currents that would exceed the maximum ratings. De-
signers should ensure that Output Enable signals to TRI-
STATE devices whose outputs are tied together are de-
signed so that there is no overlap.
Address inputand S arto both ions.
1
e
e
e
e
H
L
HIGH Voltaevel
LOW Voltage L
Immaterial
X
Z
High Impedance
Logic Diagram
TL/F/9505–4
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
2
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Current Applied to Output
in LOW State (Max)
twice the rated I (mA)
OL
ESD Last Passing Voltage (Min)
4000V
b
b
a
65 C to 150 C
Storage Temperature
Note 1: Absolute maximum ratings are values beyond which the device may
be damaged or have its useful life impaired. Functional operation under
these conditions is not implied.
§
§
a
55 C to 125 C
Ambient Temperature under Bias
§
§
§
§
§
§
b
b
a
55 C to 175 C
Junction Temperature under Bias
Plastic
Note 2: Either voltage limit or current limit is sufficient to protect inputs.
a
55 C to 150 C
V
Pin Potential to
CC
Ground Pin
Recommended Operating
Conditions
b
a
0.5V to 7.0V
b
a
0.5V to 7.0V
Input Voltage (Note 2)
Input Current (Note 2)
Voltage Applied to Output
Free Air Ambient Temperature
Military
Commercial
b
a
30 mA to 5.0 mA
b
a
55 C to 125 C
§
0 C to 70 C
§
a
§
§
e
in HIGH State (with V
Standard Output
TRI-STATE Output
0V)
CC
Supply Voltage
Military
Commercial
b
0.5V to 5.5V
0.5V to V
CC
a
a
a
4.5V to 5.5V
b
a
a
4.5V to 5.5V
DC Electrical Characteristics
54F/74F
Symbol
Parameter
Units
C
ondition
Min
Typ
Max
V
V
V
V
Input HIGH Voltage
2.0
V
V
RecognizeHIGH Signal
Rognized as a LOW Signal
IH
Input LOW Voltage
0.8
IL
b
e
18 mA
Input Clamp Diode Voltage
1.2
Mi
I
IN
CD
OH
e b
e b
e b
e b
e b
e b
Output HIGH
Voltage
54F 10% V
2.5
2.4
2.5
2.4
2.7
2.7
I
I
I
I
1 mA
3 mA
1 mA
3 mA
1 mA
3 mA
CC
CC
CC
CC
OH
OH
OH
OH
OH
OH
54F 10% V
74F 10% V
74F 10% V
V
74F 5% V
74F 5% V
CC
CC
e
e
V
Output LOW
Voltage
54F 10% V
74F 10% V
I
I
20 mA
24 mA
OL
CC
OL
V
Min
Max
Max
Max
0.0
CC
OL
I
I
I
Input HIGH
Current
54F
74F
0
IH
e
e
mA
mA
mA
V
V
V
2.7V
7.0V
IN
Input HIGH Current
Breakdown Test
54F
74F
100
7.0
BVI
IN
Output HIGH
54F
74
250
50
CEX
e
V
V
CC
OUT
Leakage Current
e
All Other Pins Grounded
V
ID
Input Leakage
Test
I
ID
1.9 mA
74F
4.75
e
IOD
All Other Pins Grounded
I
Out
Ci
V
150 mV
OD
3.75
mA
0.0
b
e
0.5V
I
I
I
I
In
0.6
mA
mA
mA
Max
Max
Max
V
V
V
IL
IN
e
O
Outp
Output ShCurrent
50
2.7V
0.5V
OZH
OZL
OS
OUT
OUT
b
e
50
b
b
b
e
e
60
150
225
V
V
0V
0V
OUT
mA
Max
b
100
OUT
e
I
I
I
I
Bus Drainage Test
500
mA
mA
mA
mA
0.0V
Max
Max
Max
V
V
V
V
V
CC
ZZ
OUT
e
Power Supply Current
Power Supply Current
Power Supply Current
11.5
16
16
23
23
HIGH
LOW
CCH
CCL
CCZ
O
e
O
e
16
HIGH Z
O
3
AC Electrical Characteristics
74F
54F
74F
e a
T
25 C
§
5.0V
A
e
50 pF
e
T
, V
CC
e
Mil
T
, V
Com
e
50 pF
A
A CC
e a
Symbol
Parameter
V
Units
CC
C
C
L
L
e
C
50 pF
L
Min
Typ
Max
Min
Max
Min
Max
t
t
Propagation Delay
4.5
3.0
8.5
6.5
11.5
9.0
3.5
2.5
15.0
11.0
4.5
3.0
13.0
10.0
PLH
ns
ns
S
n
to Z
n
PHL
t
t
Propagation Delay
to Z
3.0
2.5
5.5
4.5
7.0
6.0
2.5
2.5
9.0
8.0
3.0
2.5
8.0
7.0
PLH
I
PHL
n
n
t
t
Output Enable Time
3.0
3.0
6.0
6.0
8.0
8.0
2.5
2.5
10.0
10.0
3.0
3.0
9.0
9.0
PZH
PZL
ns
t
t
Output Disable Time
2.0
2.0
3.7
4.4
5.0
6.0
2.0
2.0
6.5
8.0
2.0
2.0
6.0
7.0
PHZ
PLZ
4
Ordering Information
The device number is used to form part of a simplified purchasing code where the package type and temperature range are
defined as follows:
74F 253
S
C
X
Temperature Range Family
Special Variations
e
e
e
74F
54F
Commercial
Military
QB
Military grade device with
environmental and burn-in
processing
Device Type
e
X
Devices shipped in 13 reel
×
Package Code
Temperature Range
e
e
e
e
e
e
P
D
F
L
S
SJ
Plastic DIP
Ceramic DIP
Flatpak
Leadless Chip Carrier (LCC)
Small Outline SOIC JEDEC
Small Outline SOIC EIAJ
e
e
a
C
M
Commercial (0 C to 70 C)
§
§
b a
Military ( 55 C to 125 C)
§
§
Physical Dimensions inches (millimeters)
20-Lead Ceramic Leadless Chip Carrier (L)
NS Package Number E20A
5
Physical Dimensions inches (millimeters) (Continued)
16-Lead Ceramic Dual-In-Line Package (D)
NS Package Number J16A
16-Lead (0.150 Wide) Molded Small Outline Package, JEDEC (S)
×
NS Package Number M16A
6
Physical Dimensions inches (millimeters) (Continued)
16-Lead (0.300 Wide) Molded Small tline PacAJ (SJ
×
NS Package Number 6D
16-Lead (0.300 Wide) Molded Dual-In-Line Package (P)
×
NS Package Number N16E
7
Physical Dimensions inches (millimeters) (Continued)
16-Lead Ceramic FlatpaF)
NS Package Number W16
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