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PDF IDT74LVCC3245A Data sheet ( Hoja de datos )

Número de pieza IDT74LVCC3245A
Descripción CMOS OCTAL BUS TRANSCEIVER
Fabricantes Integrated Device Technology 
Logotipo Integrated Device Technology Logotipo



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IDT74LVCC3245A
CMOS OCTAL BUS TRANSCEIVER WITH ADJUSTABLE OUTPUT
INDUSTRIALTEMPERATURERANGE
CMOS OCTAL BUS
IDT74LVCC3245A
TRANSCEIVER WITH ADJUSTABLE
OUTPUT VOLTAGE, 3-STATE OUT-
PUTS, 5 VOLT TOLERANT I/O
FEATURES:
• 0.5 MICRON CMOS Technology
• VCCA = 2.3V to 3.6V
• VCCB = 3V to 5.5V
• CMOS power levels (0.4µ W typ. static)
• Rail-to-rail output swing for increased noise margin
• All inputs, outputs, and I/O are 5V tolerant
www.DataShSeuept4pUo.rctosmhot insertion
• Available in SOIC, SSOP, QSOP, and TSSOP packages
DRIVE FEATURES:
• High Output Drivers: ±24mA
• Reduced system switching noise
APPLICATIONS:
• 5V and 3.3V mixed voltage systems
• Data communication and telecommunication systems
DESCRIPTION:
The LVCC3245A is manufactured using advanced dual metal CMOS
technology. This 8-bit (octal) noninverting bus transceiver contains two
separate supply rails. The B port is designed to track VCCB, which accepts
voltages from 3V to 5.5V, and the A port is designed to track VCCA, which
operates at 2.3V to 3.6V. This allows for translation from a 3.3V to a 5V
system environment and vice-versa, or from a 2.5V to a 3.3V system
environment, and vice-versa.
This LVCC3245A 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 LVCC3245A has been designed with a ±24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
FUNCTIONAL BLOCK DIAGRAM
DIR 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
A8 10
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
© 2000 Integrated Device Technology, Inc.
1
22 OE
21 B1
20 B2
19 B3
18 B4
17 B5
16 B6
15 B7
14 B8
JULY 2000
DSC-4704/3

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IDT74LVCC3245A pdf
IDT74LVCC3245A
CMOS OCTAL BUS TRANSCEIVER WITH ADJUSTABLE OUTPUT
SWITCHING CHARACTERISTICS(1)
Symbol
Parameter
VCCA = 2.5V ± 0.2V
VCCB = 3.3V ± 0.3V
Min. Max.
tPHL PropagationDelay
1 9.4
tPLH Ax to Bx
1 9.1
tPHL PropagationDelay
1 11.2
tPLH Bx to Ax
1 9.9
tPZL OutputEnableTime 1 13
tPLZ OE to Bx
1 12.8
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tPLZ
Output Enable Time
OE to Ax
1 14.5
1 12.9
tPLZ OutputDisableTime 1 7.1
tPHZ OE to Ax
1 6.9
tPLZ OutputDisableTime 1 8.8
tPHZ OE to Bx
1 8.9
NOTE:
1. See TEST CIRCUITS AND WAVEFORMS. TA = – 40°C to + 85°C.
INDUSTRIALTEMPERATURERANGE
VCCA = 2.7V to 3.6V
VCCB = 5V ± 0.5V
VCCB = 3.3V ± 0.3V
Min. Max. Min.
Max.
161
7.1
1 5.3 1
7.2
1 5.8 1
6.4
171
7.6
1 8.1 1
9.2
1 8.4 1
9.9
1 9.2 1
9.7
1 9.5 1
9.5
1 5.5 1
6.6
1 7.8 1
6.9
1 7.3 1
7.5
171
7.9
Unit
ns
ns
ns
ns
ns
ns
5

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IDT74LVCC3245A arduino
IDT74LVCC3245A
CMOS OCTAL BUS TRANSCEIVER WITH ADJUSTABLE OUTPUT
ORDERING INFORMATION
IDT XX LVC X
XXXX
XX
Temp. Range Bus-Hold Device Type Package
INDUSTRIALTEMPERATURERANGE
www.DataSheet4U.com
SO
PY
Q
PG
PGG
Small Outline IC (gull wing)
Shrink Small Outline Package
Quarter Size Small Outline Package
Thin Shrink Small Outline Package
TSSOP - Green
C3245A Octal Bus Transceiver with Adjustable Output Voltage,
3-State Outputs, ±24mA
Blank No Bus-Hold
74 –40°C to +85°C
CORPORATE HEADQUARTERS
2975 Stender Way
Santa Clara, CA 95054
for SALES:
800-345-7015 or 408-727-6116
fax: 408-492-8674
www.idt.com
for Tech Support:
(408) 654-6459
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