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IDT74LVC157A Datasheet

3.3V CMOS QUAD 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER / 5 VOLT TOLERANT I/O

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IDT74LVC157A
3.3V CMOS QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR
EXTENDEDCOMMERCIALTEMPERATURERANGE
3.3V CMOS QUADRUPLE
2-LINE TO 1-LINE DATA
SELECTOR/MULTIPLEXER,
5 VOLT TOLERANT I/O
IDT74LVC157A
FEATURES:
– 0.5 MICRON CMOS Technology
– ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
– 1.27mm pitch SOIC, 0.635mm pitch QSOP,
0.65mm pitch SSOP, 0.65mm pitch TSSOP packages
– Extended commercial range of – 40°C to +85°C
– VCC = 3.3V ±0.3V, Normal Range
– VCC = 2.3V to 3.6V, Extended Range
– CMOS power levels (0.4µ W typ. static)
– Rail-to-Rail output swing for increased noise margin
– All inputs, outputs and I/O are 5 Volt tolerant
– Supports hot insertion
Drive Features for LVC157A:
– High Output Drivers: ±24mA
– Reduced system switching noise
DESCRIPTION:
This quadruple 2-line to 1-line data selector/multiplexer is built using
advanced dual metal CMOS technology. The LVC157A features a common
strobe (G) input. When the strobe is high, all outputs are low. When the
strobe is low, a 4-bit word is selected from one of two sources and is routed
to the four outputs. The device provides true data.
Inputs can be driven from either 3.3V or 5V devices. This feature allows
the use of this device as a translator in a mixed 3.3V/5V supply system.
The LVC157A has been designed with a ±24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
APPLICATIONS:
• 5V and 3.3V mixed voltage systems
• Data communication and telecommunication systems
FUNCTIONAL BLOCK DIAGRAM
2
1A
3
1B
5
2A
6
2B
11
3A
10
3B
14
4A
4B 13
G
A/B
15
1
4
1Y
7
2Y
9
3Y
12
4Y
EXTENDED COMMERCIAL TEMPERATURE RANGE
c 1999 Integrated Device Technology, Inc.
1
FEBRUARY 2000
DSC-4721/-


Integrated Device Technology Electronic Components Datasheet

IDT74LVC157A Datasheet

3.3V CMOS QUAD 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER / 5 VOLT TOLERANT I/O

No Preview Available !

IDT74LVC157A
3.3V CMOS QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR
PIN CONFIGURATION
A/B
1A
1B
1Y
2A
2B
2Y
GND
1 16
2 15
3 14
4 SO16-7 13
SO16-8
5 SO16-9 12
6
SO16-10
11
7 10
89
VCC
G
4A
4B
4Y
3A
3B
3Y
EXTENDEDCOMMERCIALTEMPERATURERANGE
ABSOLUTE MAXIMUM RATINGS (1)
Symbol
Description
Max. Unit
VTERM Terminal Voltage with Respect to GND – 0.5 to +6.5 V
TSTG Storage Temperature
– 65 to +150 °C
IOUT DC Output Current
– 50 to +50 mA
IIK Continuous Clamp Current,
IOK VI < 0 or VO < 0
ICC Continuous Current through
– 50 mA
±100 mA
ISS each VCC or GND
LVC QUAD Link
NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM
RATINGS may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these or
any other conditions above those indicated in the operational sections
of this specification is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect reliability.
SOIC/ SSOP/ TSSOP/ QSOP
TOP VIEW
CAPACITANCE (TA = +25°C, f = 1.0MHZ)
Symbol
Parameter(1)
CIN Input Capacitance
Conditions
VIN = 0V
Typ. Max. Unit
4.5 6 pF
COUT
Output
Capacitance
CI/O I/O Port
Capacitance
VOUT = 0V
VIN = 0V
NOTE:
1. As applicable to the device type.
5.5 8 pF
6.5 8 pF
LVC QUAD Link
PIN DESCRIPTION
Pin Names
A/B
G
xY
xA, xB
Description
Select Input (Active LOW)
Common Strobe Input (Active LOW)
Data Output
Data Inputs
FUNCTION TABLE(1)
Inputs
G A/B xA
HXX
LLL
LLH
LHX
LHX
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
2
xB
X
X
X
L
H
Outputs
xY
L
L
H
L
H


Part Number IDT74LVC157A
Description 3.3V CMOS QUAD 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER / 5 VOLT TOLERANT I/O
Maker Integrated Device Technology
Total Page 6 Pages
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