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74LVC157APG Datasheet

  • 74LVC157APG

  • 3.3V CMOS QUAD 2-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER, 5...

  • 90.17KB

  • 7頁

  • IDT

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IDT74LVC157A
3.3V CMOS QUADRUPLE 2-LINE TO 1-LINE DATA SELECTOR
EXTENDED COMMERCIAL TEMPERATURE RANGE
3.3V CMOS QUADRUPLE
2-LINE TO 1-LINE DATA
SELECTOR/MULTIPLEXER,
5 VOLT TOLERANT I/O
FEATURES:
鈥?/div>
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鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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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 鈥?40擄C to +85擄C
V
CC
= 3.3V 鹵0.3V, Normal Range
V
CC
= 2.3V to 3.6V, Extended Range
CMOS power levels (0.4碌 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
IDT74LVC157A
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 鹵24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
Drive Features for LVC157A:
鈥?High Output Drivers: 鹵24mA
鈥?Reduced system switching noise
APPLICATIONS:
鈥?5V and 3.3V mixed voltage systems
鈥?Data communication and telecommunication systems
FUNCTIONAL BLOCK DIAGRAM
1A
2
4
1B
3
1Y
2A
5
7
2B
6
2Y
11
3A
9
3B
10
3Y
4A
14
12
4B
13
4Y
G
A/B
15
1
EXTENDED COMMERCIAL TEMPERATURE RANGE
1
c
1999 Integrated Device Technology, Inc.
FEBRUARY 2000
DSC-4721/-

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