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IDT74LVCR2245A fiches techniques PDF

Integrated Device Technology - 3.3V CMOS OCTAL BUS TRANSCEIVER

Numéro de référence IDT74LVCR2245A
Description 3.3V CMOS OCTAL BUS TRANSCEIVER
Fabricant Integrated Device Technology 
Logo Integrated Device Technology 





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IDT74LVCR2245A fiche technique
IDT74LVCR2245A
3.3V CMOS OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
3.3V CMOS
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
AND 5 VOLT TOLERANT I/O
INDUSTRIALTEMPERATURERANGE
IDT74LVCR2245A
FEATURES:
• 0.5 MICRON CMOS Technology
• 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 (0.4µ W typ. static)
www.DataShReeati4l-Uto.c-roamil output swing for increased noise margin
• All inputs, outputs, and I/O are 5V tolerant
• Available in SOIC, SSOP, QSOP, and TSSOP packages
DRIVE FEATURES:
• Balanced Output Drivers: ±12mA (B Port)
• Low switching noise
DESCRIPTION:
The LVCR2245A octal bus transceiver is built using advanced dual metal
CMOS technology. This device is designed for asynchronous communi-
cation between data buses. The device transmits data 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 the buses are effectively isolated.
The LVCR2245A has series resistors in the output structure which will
significantly reduce line noise when used with light loads. The driver has
been designed to drive ±12mA at the designated threshold.
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 environment.
APPLICATIONS:
• 5V and 3.3V mixed voltage systems
• Data communication and telecommunication systems
FUNCTIONAL BLOCK DIAGRAM
1
DIR
A1 2
19 OE
18 B1
TO SEVEN OTHER CHANNELS
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
© 1999 Integrated Device Technology, Inc.
1
OCTOBER 1999
DSC-4610/1

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