參數(shù)資料
型號(hào): IDT74LVC244APYG
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 總線收發(fā)器
英文描述: LVC/LCX/Z SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: GREEN, SOIC-20
文件頁(yè)數(shù): 1/6頁(yè)
文件大小: 69K
代理商: IDT74LVC244APYG
INDUSTRIALTEMPERATURERANGE
IDT74LVC244A
3.3VCMOSOCTALBUFFER/DRIVERWITH3-STATEOUTPUTS
1
OCTOBER 1999
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
1999 Integrated Device Technology, Inc.
DSC-4614/3
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 (0.4
μμμμμ 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
FUNCTIONAL BLOCK DIAGRAM
APPLICATIONS:
5V and 3.3V mixed voltage systems
Data communication and telecommunication systems
DRIVE FEATURES:
High Output Drivers: ±24mA
Reduced system switching noise
IDT74LVC244A
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. When
OE is high, the outputs are in the high-
impedance state.
The LVC244A has been designed with a ±24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
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.
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 system environment.
3.3V CMOS
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS,
5 VOLT TOLERANT I/O
1
A1
1
A2
1
A3
1
A4
1
Y1
1
Y2
1
Y3
1
Y4
2
A1
2
A2
2
A3
2
A4
2
Y1
2
OE
2
Y2
2
Y3
2
Y4
19
11
9
15
5
7
13
3
17
1
2
4
6
8
18
16
14
12
1
OE
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