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IDT74ALVCH16245 Datasheet(PDF) 1 Page - Integrated Device Technology

Part No. IDT74ALVCH16245
Description  3.3V CMOS 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS AND BUS-HOLD
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT74ALVCH16245 Datasheet(HTML) 1 Page - Integrated Device Technology

   
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INDUSTRIALTEMPERATURERANGE
IDT74ALVCH16245
3.3V CMOS 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
1
MARCH 1999
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
© 1999 Integrated Device Technology, Inc.
DSC-4697/1
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
µµµµµ W typ. static)
• Rail-to-Rail output swing for increased noise margin
• Available in SSOP, TSSOP, and TVSOP packages
FUNCTIONAL BLOCK DIAGRAM
IDT74ALVCH16245
3.3V CMOS 16-BIT BUS
TRANSCEIVER WITH
3-STATE OUTPUTS
AND BUS-HOLD
DESCRIPTION:
This 16-bit bus transceiver is built using advanced dual metal CMOS
technology.TheALVCH16245isdesignedforasynchronouscommunication
betweendatabuses.Thecontrol-functionimplementationminimizesexternal
timingrequirements.
Thisdevicecanbeusedastwo8-bittransceiversorone16-bittransceiver.
ItallowsdatatransmissionfromtheAbustotheBbusorfromtheBbustothe
A bus, depending on the logic level at the direction-control (DIR) input. The
output-enable(OE)inputcanbeusedtodisablethedevicesothatthebuses
areeffectivelyisolated.
The ALVCH16245 has been designed with a ±24mA output driver. This
driveriscapableofdrivingamoderatetoheavyloadwhilemaintainingspeed
performance.
The ALVCH16245 has “bus-hold” which retains the inputs’ last state
whenevertheinputbusgoestoahighimpedance.Thispreventsfloatinginputs
andeliminatestheneedforpull-up/downresistors.
APPLICATIONS:
• 3.3V high speed systems
• 3.3V and lower voltage computing systems
DRIVE FEATURES:
• High Output Drivers: ±24mA
• Suitable for heavy loads
1
DIR
1
A1
1
A2
1
A3
1
A4
1
A5
1
A6
1
A7
1
A8
1
B8
1
B7
1
B6
1
B5
1
B4
1
B3
1
B2
1
B1
1
OE
2
DIR
2
A1
2
A2
2
A3
2
A4
2
A5
2
A6
2
A7
2
A8
2
B8
2
B7
2
B6
2
B5
2
B4
2
B3
2
B2
2
B1
2
OE
1
47
46
44
43
41
40
38
37
12
11
9
8
6
5
3
2
48
24
36
35
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