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IDT74LVC162245A Datasheet(PDF) 1 Page - Integrated Device Technology

Part No. IDT74LVC162245A
Description  3.3V CMOS 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS AND 5 VOLT TOLERANT I/O
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT74LVC162245A Datasheet(HTML) 1 Page - Integrated Device Technology

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INDUSTRIALTEMPERATURERANGE
IDT74LVC162245A
3.3V CMOS 16-BIT TRANSCEIVER WITH 3-STATE OUTPUTS
1
AUGUST 1999
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
© 1999 Integrated Device Technology, Inc.
DSC-4483/1
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, TSSOP, and TVSOP packages
FUNCTIONAL BLOCK DIAGRAM
IDT74LVC162245A
APPLICATIONS:
• 5V and 3.3V mixed voltage systems
• Data communication and telecommunication systems
DRIVE FEATURES:
• Balanced Output Drivers: ±12mA (A port)
• High Output Drivers: ±24mA (B port)
DESCRIPTION:
This 16-bit transceiver is built using advanced dual metal CMOS
technology. The LVC162245A is designed for asynchronous communica-
tion between data buses. The control-function implementation minimizes
external timing requirements. This device can be used as two 8-bit
transceivers or one 16-bit transceiver. It allows data transmission from the
A bus to the B bus or from the B bus to the A bus, depending on the logic
level at the direction-control (DIR) input. The output-enable (OE) input can
be used to disable the device so that the buses are effectively isolated. To
ensure the high-impedance state during power up or power down, OE
should be tied to VCC through a pullup resistor; the minimum value of the
resistor is determined by the current-sinking capability of the driver.
All pins 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 LVC162245A has series resistors in the device output structure of
the “A” port which will significantly reduce line noise when used with light
loads. The driver has been designed to drive ±12mA at the designated
threshold levels. The “B” port has a ±24mA driver.
3.3V CMOS 16-BIT
BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
AND 5 VOLT TOLERANT I/O
1
DIR
1
A1
1
A2
1
A3
1
A4
1
A5
1
A6
1
A7
1
A8
1
B8
1
B7
1
B6
1
B5
1
B4
1
B3
1
B2
1
B1
1
OE
2
DIR
2
A1
2
A2
2
A3
2
A4
2
A5
2
A6
2
A7
2
A8
2
B8
2
B7
2
B6
2
B5
2
B4
2
B3
2
B2
2
B1
2
OE
1
47
46
44
43
41
40
38
37
48
2
3
5
6
8
9
11
12
24
36
35
33
32
30
29
27
26
25
13
14
16
17
19
20
22
23


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