74F151ASJX

© 2000 Fairchild Semiconductor Corporation DS009481 www.fairchildsemi.com
April 1988
Revised September 2000
74F151A 8-Input Multiplexer
74F151A
8-Input Multiplexer
General Description
The F151A is a high-speed 8-input digital multiplexer. It
provides in one package the ability to select one line of
data from up to eight sources. The F151A can be used as a
universal function generator to generate any logic function
of four variables. Both assertion and negation outputs are
provided.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbols
IEEE/IEC
Connection Diagram
Unit Loading/Fan Out
Order Number Package Number Package Description
74F151ASC M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74F151ASJ M16D 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74F151APC N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Pin Names Description
U.L.
Input I
IH
/I
IL
HIGH/LOW
Output I
OH
/I
OL
I
0
I
7
Data Inputs 1.0/1.0 20 µA/0.6 mA
S
0
S
2
Select Inputs 1.0/1.0 20 µA/0.6 mA
E
Enable Input (Active LOW) 1.0/1.0 20 µA/0.6 mA
Z Data Output 50/33.3
1 mA/20 mA
Z
Inverted Data Output 50/33.3 1 mA/20 mA
www.fairchildsemi.com 2
74F151A
Functional Description
The F151A is a logic implementation of a single pole, 8-
position switch with the switch position controlled by the
state of three Select inputs, S
0
, S
1
, S
2
. Both assertion and
negation outputs are provided. The Enable input (E
) is
active LOW. When it is not activated, the negation output is
HIGH and the assertion output is LOW regardless of all
other inputs. The logic function provided at the output is:
Z
= E (I
0
S
2
S
1
S
0
+ I
1
S
2
S
1
S
0
+ I
2
S
2
S
1
S
0
+
I
3
S
2
S
1
S
0
+ I
4
S
2
S
1
S
0
+ I
5
S
2
S
1
S
0
+
I
6
S
2
S
1
S
0
+ I
7
S
2
S
1
S
0
)
The F151A provides the ability, in one package, to select
from eight sources of data or control information. By proper
manipulation of the inputs, the F151A can provide any logic
function of four variables and its negation.
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
Inputs Outputs
E
S
2
S
1
S
0
Z Z
HXXXHL
LLLLI
0
I
0
LL L HI
1
I
1
LL H L I
2
I
2
LL HHI
3
I
3
LH L L I
4
I
4
LH L H I
5
I
5
LH H L I
6
I
6
LH H H I
7
I
7
3 www.fairchildsemi.com
74F151A
Absolute Maximum Ratings(Note 1) Recommended Operating
Conditions
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.
DC Electrical Characteristics
Storage Temperature 65°C to +150°C
Ambient Temperature under Bias
55°C to +125°C
Junction Temperature under Bias
55°C to +150°C
V
CC
Pin Potential to
Ground Pin
0.5V to +7.0V
Input Voltage (Note 2)
0.5V to +7.0V
Input Current (Note 2)
30 mA to +5.0 mA
Voltage Applied to Output
in HIGH State (with V
CC
= 0V)
Standard Output
0.5V to V
CC
3-STATE Output 0.5V to +5.5V
Current Applied to Output
in LOW State (Max) twice the rated I
OL
(mA)
Free Air Ambient Temperature 0
°C to +70°C
Supply Voltage
+4.5V to +5.5V
Symbol Parameter
Min Typ Max
Units
V
CC
Conditions
V
IH
Input HIGH Voltage 2.0 V Recognized as a HIGH Signal
V
IL
Input LOW Voltage 0.8 V Recognized as a LOW Signal
V
CD
Input Clamp Diode Voltage 1.2 V Min I
IN
= 18 mA
V
OH
Output HIGH 10% V
CC
2.5
VMin
I
OH
= 1 mA
Voltage 5% V
CC
2.7 I
OH
= 1 mA
V
OL
Output LOW Voltage 10% V
CC
0.5 V Min I
OL
= 20 mA
I
IH
Input HIGH Current 5.0 µAMaxV
IN
= 2.7V
I
BVI
Input HIGH Current
7.0 µAMaxV
IN
= 7.0V
Breakdown Test
I
CEX
Output HIGH
50 µAMaxV
OUT
= V
CC
Leakage Current
V
ID
Input Leakage
4.75 V 0.0
I
ID
= 1.9 µA
Test All Other Pins Grounded
I
OD
Output Leakage
3.75 µA0.0
V
IOD
= 150 mV
Circuit Current All Other Pins Grounded
I
IL
Input LOW Current 0.6 mA Max V
IN
= 0.5V
I
OS
Output Short-Circuit Current 60 150 mA Max V
OUT
= 0V
I
CC
Power Supply Current 13.5 21.0 mA Max V
O
= HIGH

74F151ASJX

Mfr. #:
Manufacturer:
ON Semiconductor / Fairchild
Description:
Encoders, Decoders, Multiplexers & Demultiplexers 8-Input Multiplexer
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet