參數(shù)資料
型號: IDT74ALVCH16543PV
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 總線收發(fā)器
英文描述: ALVC/VCX/A 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> 86K
代理商: IDT74ALVCH16543PV
INDUSTRIALTEMPERATURERANGE
IDT74ALVCH16543
3.3V CMOS 16-BIT REGISTERED TRANSCEIVER
1
JULY 1999
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
1999 Integrated Device Technology, Inc.
DSC-4490/2
FEATURES:
0.5 MICRON CMOS Technology
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
VCC = 2.5V ± 0.2V
CMOS power levels (0.4
W typ. static)
Rail-to-Rail output swing for increased noise margin
Available in SSOP, TSSOP, and TVSOP packages
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION:
This16-bitregisteredtransceiverisbuiltusingadvanceddualmetalCMOS
technology. The ALVCH16543 can be used as two 8-bit transceivers or one
16-bittransceiver.Separatelatch-enable(LEABorLEBA)andoutput-enable
(OEABorOEBA)inputsareprovidedforeachregistertopermitindependent
controlineitherdirectionofdataflow.TheA-to-Benable(CEAB)inputmustbe
low to enter data from A or to output data from B. If CEAB is low and LEAB is
low,theA-to-Blatchesaretransparent;asubsequentlow-to-hightransitionof
LEABputstheAlatchesinthestoragemode.WithCEABandOEABbothlow,
the3-stateBoutputsareactiveandreflectthedatapresentattheoutputofthe
Alatches.DataflowfromBtoAissimilar,butrequiresusingCEBA,LEBA,and
OEBA.
The ALVCH16543 has been designed with a ±24mA output driver. This
driveriscapableofdrivingamoderatetoheavyloadwhilemaintainingspeed
performance.
The ALVCH16543 has “bus-hold” which retains the inputs’ last state
whenevertheinputbusgoestoahighimpedance. Thispreventsfloatinginputs
andeliminatestheneedforpull-up/downresistors.
DRIVE FEATURES:
High Output Drivers: ±24mA
Suitable for heavy loads
APPLICATIONS:
3.3V high speed systems
3.3V and lower voltage computing systems
IDT74ALVCH16543
3.3V CMOS 16-BIT
REGISTERED TRANSCEIVER
WITH 3-STATE OUTPUTS AND
BUS-HOLD
1
OEBA
56
54
55
1
CEBA
1
LEBA
1
OEAB
1
3
2
1
CEAB
1
LEAB
1
A1
C1
1D
C1
1D
1
B1
52
5
TO SEVEN OTHER CHANNELS
2
OEBA
29
31
30
2
CEBA
2
LEBA
2
OEAB
28
26
27
2
CEAB
2
LEAB
2
A1
C1
1D
C1
1D
2
B1
42
15
TO SEVEN OTHER CHANNELS
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