IDT74LVC244AQ Integrated Device Technology, Inc., IDT74LVC244AQ Datasheet

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IDT74LVC244AQ

Manufacturer Part Number
IDT74LVC244AQ
Description
3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS, 5 VOLT TOLERANT I/O
Manufacturer
Integrated Device Technology, Inc.
Datasheet

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Part Number:
IDT74LVC244AQ
Quantity:
6 276
FEATURES:
• 0.5 MICRON CMOS Technology
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
• V
• V
• CMOS power levels (0.4µ µ µ µ µ W typ. static)
• Rail-to-rail output swing for increased noise margin
• All inputs, outputs, and I/O are 5V tolerant
• Supports hot 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
FUNCTIONAL BLOCK DIAGRAM
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
© 1999 Integrated Device Technology, Inc.
IDT74LVC244A
3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
machine model (C = 200pF, R = 0)
CC
CC
= 3.3V ± 0.3V, Normal Range
= 2.7V to 3.6V, Extended Range
1
OE
1
1
1
1
A
A
A
A
1
2
3
4
1
2
4
6
8
3.3V CMOS
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS,
5 VOLT TOLERANT I/O
14
18
16
12
1
1
1
1
Y
Y
Y
Y
1
2
3
4
1
DESCRIPTION:
output-enable (OE) inputs. When OE is low, the device passes data from
the A inputs to the Y outputs. When OE is high, the outputs are in the high-
impedance state.
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
OE should be tied to V
the resistor is determined by the current-sinking capability of the driver.
the use of this device as a translator in a mixed 3.3V/5V system environment.
2
OE
2
2
2
2
The LVC244A device is organized as two 4-bit line drivers with separate
The LVC244A has been designed with a ±24mA output driver. This
To ensure the high-impedance state during power up or power down,
Inputs can be driven from either 3.3V or 5V devices. This feature allows
A
A
A
A
1
2
3
4
19
13
15
17
11
CC
through a pullup resistor; the minimum value of
INDUSTRIAL TEMPERATURE RANGE
IDT74LVC244A
OCTOBER 1999
5
3
7
9
2
2
2
2
Y
Y
Y
Y
1
2
3
4
DSC-4614/1

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IDT74LVC244AQ Summary of contents

Page 1

... The IDT logo is a registered trademark of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE © 1999 Integrated Device Technology, Inc. 3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS, 5 VOLT TOLERANT I/O DESCRIPTION: The LVC244A device is organized as two 4-bit line drivers with separate output-enable (OE) inputs. When OE is low, the device passes data from the A inputs to the Y outputs ...

Page 2

IDT74LVC244A 3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS PIN CONFIGURATION ...

Page 3

IDT74LVC244A 3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Operating Condition –40°C to +85°C A Symbol Parameter V Input HIGH Voltage Level IH V Input LOW Voltage ...

Page 4

IDT74LVC244A 3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS OPERATING CHARACTERISTICS, V Symbol Parameter C Power Dissipation Capacitance per Buffer/Driver Outputs enabled PD C Power Dissipation Capacitance per Buffer/Driver Outputs disabled PD SWITCHING CHARACTERISTICS Symbol Parameter t Propagation Delay PLH t ...

Page 5

IDT74LVC244A 3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS TEST CIRCUITS AND WAVEFORMS TEST CONDITIONS (1) (1) Symbol V = 3.3V±0. 2. LOAD V 2.7 2 1.5 1 300 300 ...

Page 6

IDT74LVC244A 3.3V CMOS OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS ORDERING INFORMATION IDT XX LVC X XXXX Temp. Range Bus-Hold Device Type CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 XX Package SO Small Outline IC (gull wing) PY Shrink Small ...

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