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IDT74LVCH162244A Datasheet(PDF) 1 Page - Integrated Device Technology

Part No. IDT74LVCH162244A
Description  3.3V CMOS 16-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS, 5 VOLT TOLERANT I/O, AND BUS-HOLD
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT74LVCH162244A Datasheet(HTML) 1 Page - Integrated Device Technology

   
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INDUSTRIALTEMPERATURERANGE
IDT74LVCH162244A
3.3VCMOS16-BITBUFFER/DRIVERWITH3-STATEOUTPUTS
1
MARCH 1999
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
© 1999 Integrated Device Technology, Inc.
DSC-4727/4
FEATURES:
• Typical tSK(o) (Output Skew) < 250ps
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
•VCC = 3.3V ± 0.3V, Normal Range
•VCC = 2.7V to 3.6V, Extended Range
• CMOS power levels (0.4
μμμμμ W typ. static)
• All inputs, outputs, and I/O are 5V tolerant
• Available in SSOP and TSSOP packages
FUNCTIONAL BLOCK DIAGRAM
APPLICATIONS:
• 5V and 3.3V mixed voltage systems
• Data communication and telecommunication systems
DRIVE FEATURES:
• Balanced Output Drivers: ±12mA
• Full internal series termination
IDT74LVCH162244A
DESCRIPTION:
The LVCH162244A 16-bit buffer/driver is built using advanced dual
metal CMOS technology. The LVCH162244A is designed specifically to
improve both the performance and density of 3-state memory address
drivers, clock drivers, and bus-oriented receivers and transmitters. The
device can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer.
This device provides true outputs and symmetrical active-low output-enable
(
OE) inputs.
All pins of this 16-bit buffer/driver 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 LVCH162244A has series resistors in the device output structure
which will significantly reduce line noise when used with light loads. This
driver has been developed to drive ±12mA at the designated threshold
levels.
The LVCH162244A has “bus-hold” which retains the inputs’ last state
whenever the input goes to a high impedance. This prevents floating inputs
and eliminates the need for pull-up/down resistors.
3.3V CMOS 16-BIT
BUFFER/DRIVER WITH 3-STATE
OUTPUTS, 5 VOLT TOLERANT I/O,
AND BUS-HOLD
1
A1
1
A2
1
A3
1
A4
1
Y1
1
OE
1
Y2
1
Y3
1
Y4
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A1
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A2
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A3
2
A4
2
Y1
2
OE
2
Y2
2
Y3
2
Y4
3
A1
3
A2
3
A3
3
A4
3
Y1
3
OE
3
Y2
3
Y3
3
Y4
4
A1
4
A2
4
A3
4
A4
4
Y1
4
OE
4
Y2
4
Y3
4
Y4
1
47
46
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48
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37
2
3
5
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25
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