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參數(shù)資料
| 型號： | IDT74LVCH2541APG |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | LVC/LCX/Z SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | TSSOP-20 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 62K |
| 代理商： | IDT74LVCH2541APG |
INDUSTRIALTEMPERATURERANGE
IDT74LVCH2541A
3.3VCMOSOCTALBUFFER/DRIVERWITH3-STATEOUTPUTS
1
FEBRUARY 2000
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
2000 Integrated Device Technology, Inc.
DSC-4939/1
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
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:
Balanced Output Drivers: ±12mA
Low switching noise
IDT74LVCH2541A
DESCRIPTION:
The LVCH2541A octal buffer/driver is built using advanced dual metal
CMOS technology. This device is ideal for driving bus lines or buffering
memory address registers. This device features inputs and outputs on
opposite sides of the package to facilitate printed circuit board layout.
The 3-state control gate is a 2-input AND gate with active-low inputs so
that if either output enable (OE1 or OE2) input is high, all eight outputs are
in the high-impedance state.
The LVCH2541A has series resistors in the device output structure which
will significantly reduce line noise when used with light loads. This driver has
been developed to drive ±12mA at the designated thresholds.
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
theuseofthisdeviceasatranslatorinamixed3.3V/5Vsystemenvironment.
The LVCH2541A 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.
3.3V CMOS
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS, 5 VOLT
TOLERANT I/O AND BUS-HOLD
TO SEVEN OTHER CHANNELS
OE1
OE2
1
19
2
Y1
A1
18
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