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MC54F153 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - DUAL 4-INPUT MULTIPLEXER - Motorola

भाग संख्या MC54F153
समारोह DUAL 4-INPUT MULTIPLEXER
मैन्युफैक्चरर्स Motorola 
लोगो Motorola लोगो 
पूर्व दर्शन
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MC54F153 pdf
MC54/74F153
FUNCTIONAL DESCRIPTION
The MC54/74F153 is a Dual 4-Input Multiplexer. It can se-
lect two bits of data from up to four sources under the control
of the common Select Inputs (S0, S1). The two 4-input multi-
plexer circuits have individual active LOW Enables (Ea, Eb)
which can be used to strobe the outputs independently. When
the Enables (Ea, Eb) are HIGH, the corresponding outputs (Za,
Zb) are forced LOW.
The F153 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 equa-
tions for the outputs are shown below:
Za = Ea (I0a S1 S0 + I1a S1 S0 +
I2a S1 S0 + I3a S1 S0)
Zb = Eb (I0b S1 S0 + I1b S1 S0 +
I2b S1 S0 + I3b S1 S0)
The F153 can be used to move data from a group of regis-
ters to a common output bus. The particular register from
which the data came would be determined by the state of the
Select Inputs. A less obvious application is as a function gen-
erator. The F153 can generate two functions of three vari-
ables. This is useful for implementing highly irregular random
logic.
FUNCTION TABLE
Select Inputs
Inputs (a or b)
Output
S0 S1 E I0 I1 I2 I3
X X HX X XX
L L L L X XX
L L LH X XX
H L L X L XX
H L L X H XX
L H LX X LX
L H L X X HX
H H LX X XL
H H L X X XH
H = HIGH Voltage Level; L = LOW Voltage Level; X = Don’t Care
Z
L
L
H
L
H
L
H
L
H
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 2.5
V IOL = –1.0 mA
VCC = 4.50V
74 2.7
V IOL = –1.0 mA
VCC = 4.75 V
VOL
Output LOW Voltage
0.5 V IOL = 20 mA
VCC = MIN
IIH Input HIGH Current
20 µA VIN = 2.7 V, VCC = MAX
0.1 mA VIN = 7.0 V, VCC = MAX
IIL Input LOW Current
–0.6 mA VIN = 0.5 V, VCC = MAX
IOS Output Short Circuit Current (Note 2) –60
–150 mA VOUT = 0 V, VCC = MAX
ICC Power Supply Current
20 mA VIN = GND, VCC = MAX
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type.
2. Not more than one output should be shorted at a time, nor for more than 1 second.
FAST AND LS TTL DATA
4-65

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