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IDT74LVCC4245APG Datasheet

  • IDT74LVCC4245APG

  • CMOS OCTAL DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE OUT...

  • 10頁

  • IDT

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IDT74LVCC4245A
CMOS OCTAL DUAL-SUPPLY BUS TRANSCEIVER
INDUSTRIAL TEMPERATURE RANGE
CMOS OCTAL DUAL-SUPPLY
IDT74LVCC4245A
BUS TRANSCEIVER WITH
CONFIGURABLE OUTPUT VOLTAGE,
3-STATE OUTPUTS, 3.3V AND 5V I/O
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
FEATURES:
0.5 MICRON CMOS Technology
V
CCA
= 5V 鹵 0.5V
V
CCB
= 2.7V to 5.5V
CMOS power levels (0.4碌 W typ. static)
碌
Rail-to-rail output swing for increased noise margin
All inputs, outputs, and I/O are 5V tolerant
Supports hot insertion
Available in SSOP, QSOP, and TSSOP packages
DESCRIPTION:
DRIVE FEATURES:
鈥?High Output Drivers: 鹵24mA
鈥?Reduced system switching noise
The LVCC4245A is manufactured using advanced dual metal CMOS
technology. This 8-bit (octal) noninverting bus transceiver contains two
separate power-supply rails. The configurable B port is designed to track
V
CCB
, which accepts voltages from 3V to 5V, and the A port is dedicated to
accept a 5V supply level. This allows for translation from a 3.3V to a 5V
system environment and vice-versa.
This LVCC4245A is ideal for asynchronous communication between two
data buses (A and B). The device transmits data from A to B or from B to
A, depending on the logic level at the direction-control (DIR) input. The
output-enable (OE) input can be used to disable the device so the buses are
effectively isolated.
The LVCC4245A has been designed with a 鹵24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
APPLICATIONS:
鈥?5V and 3.3V mixed voltage systems
鈥?Data communication and telecommunication systems
FUNCTIONAL BLOCK DIAGRAM
DIR
2
22
OE
A
1
3
21
4
20
B
1
A
2
B
2
A
3
5
19
6
18
7
17
8
16
B
3
3V to 5V Port
A
4
5V Port
B
4
A
5
B
5
A
6
B
6
A
7
9
15
10
B
7
A
8
14
B
8
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
1
漏 2004 Integrated Device Technology, Inc.
JANUARY 2004
DSC-5166/2

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