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National Semiconductor Electronic Components Datasheet

74F158ASJ Datasheet

Quad 2-Input Multiplexer

No Preview Available !

74F158ASJ pdf
November 1994
54F 74F158A
Quad 2-Input Multiplexer
General Description
The ’F158A is a high speed quad 2-input multiplexer It se-
lects four bits of data from two sources using the common
Select and Enable inputs The four outputs present the se-
lected data in the inverted form The ’F158A can also gener-
ate any four of the 16 different functions of two variables
Features
Y Guaranteed 4000V minimum ESD protection
Commercial
Military
Package
Number
Package Description
74F158APC
N16E
16-Lead (0 300 Wide) Molded Dual-In-Line
54F158ADM (Note 2) J16A
16-Lead Ceramic Dual-In-Line
74F158ASC (Note 1)
M16A
16-Lead (0 150 Wide) Molded Small Outline JEDEC
74F158ASJ (Note 1)
M16D
16-Lead (0 300 Wide) Molded Small Outline EIAJ
54F158AFM (Note 2) W16A
16-Lead Cerpack
54F158ALM (Note 2) E20A
20-Lead Ceramic Leadless Chip Carrier Type C
Note 1 Devices also available in 13 reel Use suffix e SCX and SJX
Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB
Logic Symbols
Connection Diagrams
Pin Assignment for
DIP SOIC and Flatpak
Pin Assignment
for LCC
IEEE IEC
TL F 9484–3
TL F 9484 – 1
TL F 9484 – 2
TL F 9484–5
TRI-STATE is a registered trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation TL F 9484
RRD-B30M75 Printed in U S A



National Semiconductor Electronic Components Datasheet

74F158ASJ Datasheet

Quad 2-Input Multiplexer

No Preview Available !

74F158ASJ pdf
Unit Loading Fan Out
Pin Names
Description
I0a – I0d
I1a – I1d
E
S
Za – Zd
Source 0 Data Inputs
Source 1 Data Inputs
Enable Input (Active LOW)
Select Input
Inverted Outputs
54F 74F
UL
HIGH LOW
10 10
10 10
10 10
10 10
50 33 3
Input IIH IIL
Output IOH IOL
20 mA b0 6 mA
20 mA b0 6 mA
20 mA b0 6 mA
20 mA b0 6 mA
b1 mA 20 mA
Functional Description
The ’F158A quad 2-input multiplexer selects four bits of
data from two sources under the control of a common Se-
lect input (S) and presents the data in inverted form at the
four outputs The Enable input (E) is active LOW When E is
HIGH all of the outputs (Z) are forced HIGH regardless of
all other inputs The ’F158A is the logic implementation of a
4-pole 2-position switch where the position of the switch is
determined by the logic levels supplied to the Select input
A common use of the ’F158A is the moving of data from two
groups of registers to four common output busses The par-
ticular register from which the data comes is determined by
the state of the Select input A less obvious use is as a
function generator The ’F158A can generate four functions
of two variables with one variable common This is useful for
implementing gating functions
Logic Diagram
Truth Table
Inputs
E S I0
HX X
LLL
LLH
LHX
LHX
H e HIGH Voltage Level
L e LOW Voltage Level
X e Immaterial
Zn e E c (I1n S a I0n S)
I1
X
X
X
L
H
Outputs
Z
H
H
L
H
L
TL F 9484 – 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



National Semiconductor Electronic Components Datasheet

74F158ASJ Datasheet

Quad 2-Input Multiplexer

No Preview Available !

74F158ASJ pdf
Absolute Maximum Ratings (Note 1)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Storage Temperature
b65 C to a150 C
Ambient Temperature under Bias
b55 C to a125 C
Junction Temperature under Bias
Plastic
b55 C to a175 C
b55 C to a150 C
VCC Pin Potential to
Ground Pin
b0 5V to a7 0V
Input Voltage (Note 2)
b0 5V to a7 0V
Input Current (Note 2)
b30 mA to a5 0 mA
Voltage Applied to Output
in HIGH State (with VCC e 0V)
Standard Output
TRI-STATE Output
b0 5V to VCC
b0 5V to a5 5V
Current Applied to Output
in LOW State (Max)
ESD Last Passing Voltage (Min)
twice the rated IOL (mA)
4000V
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
Note 2 Either voltage limit or current limit is sufficient to protect inputs
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
Commercial
b55 C to a125 C
0 C to a70 C
Supply Voltage
Military
Commercial
a4 5V to a5 5V
a4 5V to a5 5V
DC Electrical Characteristics
Symbol
Parameter
54F 74F
Min Typ Max
Units VCC
Conditions
VIH
VIL
VCD
VOH
VOL
IIH
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH
Voltage
Output LOW
Voltage
Input HIGH
Current
54F 10% VCC
74F 10% VCC
74F 5% VCC
54F 10% VCC
74F 10% VCC
54F
74F
20
25
25
27
V Recognized as a HIGH Signal
08 V
Recognized as a LOW Signal
b1 2 V Min IIN e b18 mA
IOH e b1 mA
V Min IOH e b1 mA
IOH e b1 mA
0 5 V Min IOL e 20 mA
0 5 IOL e 20 mA
20 0
50
mA Max VIN e 2 7V
IBVI Input HIGH Current 54F
Breakdown Test
74F
100 mA Max VIN e 7 0V
70
ICEX
Output HIGH
Leakage Current
54F
74F
250 mA Max VOUT e VCC
50
VID Input Leakage 74F
Test
4 75
V 0 0 IID e 1 9 mA
All Other Pins Grounded
IOD
Output Leakage
74F
Circuit Current
3 75 mA 0 0 VIOD e 150 mV
All Other Pins Grounded
IIL
IOS
ICCH
ICCL
Input LOW Current
Output Short-Circuit Current
Power Supply Current
Power Supply Current
b0 6 mA Max VIN e 0 5V
b60
b150 mA Max VOUT e 0V
10 15 mA Max VO e HIGH
15 25 mA Max VO e LOW
3




Part Number 74F158ASJ
Description Quad 2-Input Multiplexer
Maker National Semiconductor
Total Page 8 Pages
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74F158ASJ pdf
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