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PDF MC74LCX157 Data sheet ( Hoja de datos )
| Número de pieza | MC74LCX157 | |
| Descripción | Low-Voltage CMOS Quad 2-Input Multiplexer | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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MC74LCX157
Low−Voltage CMOS Quad
2−Input Multiplexer
With 5 V−Tolerant Inputs
(Non−Inverting)
The MC74LCX157 is a high performance, quad 2−input
multiplexer operating from a 2.3 to 3.6 V supply. High impedance
TTL compatible inputs significantly reduce current loading to input
drivers while TTL compatible outputs offer improved switching noise
performance. A VI specification of 5.5 V allows MC74LCX157 inputs
to be safely driven from 5 V devices.
Four bits of data from two sources can be selected using the Select
and Enable inputs. The four outputs present the selected data in the
true (non−inverted) form. The MC74LCX157 can also be used as a
function generator. Current drive capability is 24 mA at the outputs.
Features
• Designed for 2.3 to 3.6 V VCC Operation
• 5 V Tolerant Inputs − Interface Capability With 5 V TTL Logic
• LVTTL Compatible
• LVCMOS Compatible
• 24 mA Balanced Output Sink and Source Capability
•
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Near Zero Static Supply Current (10 mA) Substantially Reduces
System Power Requirements
• Latchup Performance Exceeds 500 mA
• ESD Performance: Human Body Model >2000 V
Machine Model >200 V
• Pb−Free Packages are Available*
16
1
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MARKING
DIAGRAMS
16
SOIC−16
D SUFFIX
CASE 751B
LCX157
AWLYWW
1
16
16
1
TSSOP−16
DT SUFFIX
CASE 948F
LCX
157
ALYW
1
16
16
1
SOEIAJ−16
M SUFFIX
CASE 966
74LCX157
ALYW
1
A
L, WL
Y
W, WW
= Assembly Location
= Wafer Lot
= Year
= Work Week
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2005
January, 2005 − Rev. 4
1
Publication Order Number:
MC74LCX157/D
1 page  
MC74LCX157
In, S 1.5 V
tPHL
Zn
1.5 V
1.5 V
tPLH
1.5 V
2.7 V
0V
VOH
VOL
WAVEFORM 1 − NON−INVERTING PROPAGATION DELAYS
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
E, S 1.5 V
tPHL
Zn
1.5 V
1.5 V
tPLH
1.5 V
WAVEFORM 2 − INVERTING PROPAGATION DELAYS
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
2.7 V
0V
VOH
VOL
Figure 3. AC Waveforms
PULSE
GENERATOR
VCC
DUT
RT
CL RL
CL = 50pF or equivalent (Includes jig and probe capacitance)
RL = R1 = 500W or equivalent
RT = ZOUT of pulse generator (typically 50W)
Figure 4. Test Circuit
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5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MC74LCX157.PDF ] | |
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