MC54F151 Datasheet PDF - Motorola

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MC54F151
Motorola

Part Number MC54F151
Description 8-INPUT MULTIPLEXER
Page 2 Pages


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8-INPUT MULTIPLEXER
The MC54/74F151 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
F151 can be used as a universal function generator to generate any logic
function of four variables. Both asserted and negated outputs are provided.
The F151 is a logic implementation of a single pole, 8-position switch with
the switch position controlled by the state of three Select inputs, S0, S1, S2.
The Enable input (E) is active LOW. The logic function provided at the output
is:
Z = E (I0 S0 S1 S2 + I1 S0 S1 S2 +
I2 S0 S1 S2 + I3 S0 S1 S2 +
I4 S0 S1 S2 + I5 S0 S1 S2 +
I6 S0 S1 S2 + I7 S0 S1 S2)
CONNECTION DIAGRAM DIP (TOP VIEW)
VCC I4 I5 I6 I7 S0 S1 S2
16 15 14 13 12 11 10 9
12345678
I3 I2 I1 I0 Z Z E GND
LOGIC DIAGRAM
I0 I1 I2 I3 I4 I5 I6 I7
S2
S1
S0
E
MC54/74F151
8-INPUT
MULTIPLEXER
FASTSHOTTKY TTL
16
1
J SUFFIX
CERAMIC
CASE 620-09
16
1
N SUFFIX
PLASTIC
CASE 648-08
16
1
D SUFFIX
SOIC
CASE 751B-03
ORDERING INFORMATION
MC54FXXXJ
MC74FXXXN
MC74FXXXD
Ceramic
Plastic
SOIC
ZZ
FUNCTION TABLE
Inputs
Outputs
E S2 S1 S0 Z
HXXXH
L L L L I0
L L L H I1
L L H L I2
L L H H I3
L H L L I4
L H L H I5
L H H L I6
L H H H I7
H = HIGH Voltage Level; L = LOW Voltage Level; X = Don’t Care
Z
L
I0
I1
I2
I3
I4
I5
I6
I7
FAST AND LS TTL DATA
4-62
LOGIC SYMBOL
12 I7
13 I6
14 I5
15 I4
Z
1 I3
2 I2
3 I1
Z
4 I0
7 E S0 S1 S2
11 10 9
VCC = PIN 16
GND = PIN 8
5
6



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MC54/74F151
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
Supply Voltage
TA Operating Ambient Temperature Range
IOH Output Current — High
IOL Output Current — Low
Min Typ Max Unit
54, 74
4.5
5.0
5.5
V
54 –55 25 125 °C
74 0 25 70
54, 74
–1.0 mA
54, 74
20 mA
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min Typ Max Unit
Test Conditions
VIH Input HIGH Voltage
2.0 V Guaranteed Input HIGH Voltage
VIL Input LOW Voltage
0.8 V Guaranteed Input LOW Voltage
VIK Input Clamp Diode Voltage
–1.2 V IIN = –18 mA
VCC = MIN
VOH
Output HIGH Voltage
54, 74
74
2.5
2.7
3.4
3.4
V IOH = –1.0 mA
V IOH = –1.0 mA
VCC = 4.50 V
VCC = 4.75 V
VOL
IIH
Output LOW Voltage
Input HIGH Current
0.35 0.5
20
100
V IOL = 20 mA
VCC = MIN
µA VCC = MAX, VIN = 2.7 V
µA VCC = MAX, VIN = 7.0 V
IIL Input LOW Current
–0.6 mA VCC = MAX, VIN = 0.5 V
IOS Output Short Circuit Current (Note 2) –60
–150 mA VCC = MAX, VOUT = 0 V
ICC Power Supply Current
13.5 21
mA VCC = MAX, VIN = 4.5 V
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under guaranteed operating ranges.
2. Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS
Symbol
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Parameter
Propagation Delay
Sn to Z
Propagation Delay
Sn to Z
Propagation Delay
E to Z
Propagation Delay
E to Z
Propagation Delay
In to Z
Propagation Delay
In to Z
54/74F
TA = +25°C
VCC = +5.0 V
CL = 50 pF
Min Max
4.0 8.0
3.2 6.1
4.5 13
4.5 9.0
3.0 6.1
3.0 8.5
5.0 9.5
3.5 7.0
2.5 5.7
1.5 4.0
3.0 9.5
3.0 6.5
54F
TA = –55°C to +125°C
VCC = 5.0 V ±10%
CL = 50 pF
Min Max
3.5 10
3.0 8.0
3.0 17.5
4.0 11.5
2.5 7.5
2.5 10.5
3.0 14.5
3.0 9.5
2.5 7.5
1.5 6.0
2.5 11.5
3.0 8.0
74F
TA = 0°C to 70°C
VCC = 5.0 V ±10%
CL = 50 pF
Min Max
3.5 9.0
3.2 7.0
4.0 14
4.0 10.5
2.5 7.0
2.5 10
4.0 11
3.5 8.0
2.5 6.5
1.5 5.0
2.5 11
3.0 7.5
Unit
ns
ns
ns
ns
ns
ns
FAST AND LS TTL DATA
4-63



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