參數(shù)資料
型號(hào)： IDT74LVCH2244AQ8
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： QSOP-20
文件頁(yè)數(shù)： 1/6頁(yè)
文件大?。?/td> 70K
代理商： IDT74LVCH2244AQ8
INDUSTRIALTEMPERATURERANGE
IDT74LVC2244A
3.3VCMOSOCTALBUFFER/DRIVERWITH3-STATEOUTPUTS
1
JANUARY 2004
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
2004 Integrated Device Technology, Inc.
DSC-4886/4
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 QSOP package
FUNCTIONAL BLOCK DIAGRAM
APPLICATIONS:
5V and 3.3V mixed voltage systems
Data communication and telecommunication systems
DRIVE FEATURES:
Balanced Output Drivers: ±12mA
Low switching noise
IDT74LVCH2244A
3.3V CMOS OCTAL
BUFFER/DRIVER WITH 3-
STATE OUTPUTS, 5 VOLT
TOLERANT I/O, BUS-HOLD
DESCRIPTION:
This octal buffer/driver is built using advanced dual metal CMOS technol-
ogy. The LVCH2244A device is organized as two 4-bit line drivers with
separate output-enable (
OE) inputs. WhenOEislow,thedevicepassesdata
from the A inputs to the Y outputs. When
OE is high, the outputs are in the
high-impedance state.
The LVCH2244A has series resistors in the device output structure which
will significantly reduce line noise when used with light loads. This driver has
been designed to drive ±12mA at the designated threshold levels.
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.
The LVCH2244A has “bus-hold” which retains the inputs’ last state
whenever the input goes to a high impedance. This prevents floating inputs
and eliminates the need for pull-up/down resistors.
1A1
1A2
1
A3
1
A4
1
Y1
1
Y2
1
Y3
1
Y4
1
2
4
6
8
18
16
14
12
1
OE
2
A1
2
A2
2
A3
2
A4
2
Y1
2
Y2
2
Y3
2
Y4
19
11
13
15
17
9
7
5
3
2
OE
相關(guān)PDF資料
PDF描述
IDT74LVCH2245AQ LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
IDT74LVCH244ASO LVC/LCX/Z SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
IDT74LVCH245APY8 LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
IDT74LVCH2540ASO LVC/LCX/Z SERIES, 8-BIT DRIVER, INVERTED OUTPUT, PDSO20
IDT74LVCH2541APG LVC/LCX/Z SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
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