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參數(shù)資料
| 型號(hào)： | IDT74LVCHR16543APV8 |
| 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 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56 |
| 封裝： | SSOP-56 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 83K |
| 代理商： | IDT74LVCHR16543APV8 |
INDUSTRIALTEMPERATURERANGE
IDT74LVCHR16543A
3.3V CMOS 16-BIT REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS
1
OCTOBER 1999
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
1999 Integrated Device Technology, Inc.
DSC-4680/1
FEATURES:
Typical tSK(o) (Output Skew) < 250ps
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)
All inputs, outputs, and I/O are 5V tolerant
Supports hot insertion
Available in SSOP, TSSOP, and TVSOP packages
FUNCTIONAL BLOCK DIAGRAM
DRIVE FEATURES:
Balanced Output Drivers: ±12mA
Low switching noise
APPLICATIONS:
5V and 3.3V mixed voltage systems
Data communication and telecommunication systems
IDT74LVCHR16543A
3.3V CMOS 16-BIT
REGISTERED TRANSCEIVER
WITH 3-STATE OUTPUTS,
5 VOLT TOLERANT I/O, BUS-HOLD
C1
1D
1
B1
1
LEAB
1
CEAB
1
OEAB
1
LEBA
1
CEBA
1
OEBA
TO SEVEN OTHER CHANNELS
1
A1
2
B1
2
LEAB
2
CEAB
2
OEAB
2
LEBA
2
CEBA
2
OEBA
2
A1
56
54
55
1
3
2
5
29
31
30
28
26
27
15
42
52
C1
1D
C1
1D
C1
1D
TO SEVEN OTHER CHANNELS
DESCRIPTION:
The LVCHR16543A 16-bit registered transceiver is built using advanced
dual metal CMOS technology. The LVCHR16543A device can be used as
two independent 8-bit transceivers or one 16-bit transceiver. Separate
latch-enable (LEAB or LEBA) and output-enable(OEAB or OEBA) inputs
are provided for each register to permit independent control in either
directionofdataflow.TheA-to-Benable(CEAB)mustbelowinordertoenter
data from A or to output data from B. If CEAB is low and LEAB is low, the A-
to-B latches are transparent; a subsequent low-to-high transition of LEAB
puts the A latches in the storage mode. With CEAB and OEAB both low, the
3-state B outputs are active and reflect the data present at the output of the
Alatches.DataflowfromBtoAissimilar,butrequiresusingtheCEBA,LEBA,
and OEBA inputs. To ensure the high-impedance state during power up or
power down, OE should be tied to Vcc through a pullup resistor; the minmum
value of the resistor is determined by the current sinking capability of the
driver.
The LVCHR16543A has series resistors in the device output structure
which will significantly reduce line noise when used with light loads. The
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 supply system.
The LVCHR16543A has “bus-hold” which retains the input’s last state
whenever the input goes to a high impedance. This prevents floating inputs
and eliminates the need for pull-up/down resistors.
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| IDT74LVCR162245APV | 制造商:Integrated Device Technology Inc 功能描述: |
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