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IDT74LVCH16652 Datasheet(PDF) 1 Page - Integrated Device Technology

Part No. IDT74LVCH16652
Description  3.3V CMOS 16-BIT BUS TRANSCEIVER AND REGISTER WITH 3-STATE OUTPUTS, 5V TOLERANT I/O, BUS-HOLD
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT74LVCH16652 Datasheet(HTML) 1 Page - Integrated Device Technology

   
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INDUSTRIALTEMPERATURERANGE
IDT74LVCH16652
3.3V CMOS 16-BIT BUS TRANSCEIVER AND REGISTER
1
JANUARY 2004
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
© 2004 Integrated Device Technology, Inc.
DSC-4689/3
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
µµµµµ W typ. static)
• All inputs, outputs, and I/O are 5V tolerant
• Supports hot insertion
• Available in SSOP and TSSOP packages
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION:
This16-bittransceiverandregisterisbuiltusingadvanceddualmetalCMOS
technology.Thishigh-speed,lowpowerdeviceisorganizedastwoindependent
8-bit bus transceivers with 3-state D-type registers. The control circuitry is
organizedformultiplexedtransmissionofdatabetweenAbusandBbuseither
directly or from the internal storage registers. Each 8-bit transceiver/register
featurescomplementaryOutputEnable(OEABandOEBA)inputstocontrolthe
transcieverfunctionsandSelectlines(SABandSBA)toselecteitherreal-time
data or stored data. Separate clock inputsare provided for A and B port
registers. Data on the A or B data bus, or both,can be stored in the internal
registers by the low-to-high transitions at theappropriate clock pins. Flow-
throughorganizationofsignalpinssimplifieslayout.Allinputsaredesignedwith
hysteresis for improved noise margin.
The LVCH16652A has been designed with a ±24mA output driver. This
driveriscapableofdrivingamoderatetoheavyloadwhilemaintainingspeed
performance.
The LVCH16652A has “bus-hold” which retains the inputs’ last state
whenevertheinputbusgoestoahighimpedance.Thispreventsfloatinginputs
and eliminates the need for pull-up/down resistors.
DRIVE FEATURES:
• High Output Drivers: ±24mA
• Reduced system switching noise
APPLICATIONS:
• 5V and 3.3V mixed voltage systems
• Data communication and telecommunication systems
IDT74LVCH16652
3.3V CMOS 16-BIT BUS
TRANSCEIVER AND REGISTER
WITH 3-STATE OUTPUTS,
5V TOLERANT I/O, BUS-HOLD
TO 7 OTHER CHANNELS
1
B1
D
C
D
C
1
A1
1
SAB
1
CLKAB
1
SBA
1
OEBA
1
CLKBA
56
55
54
2
3
5
52
1
OEAB
1
A REG
B REG
TO 7 OTHER CHANNELS
2
B1
D
C
D
C
2
A1
2
SAB
2
CLKAB
2
SBA
2
OEBA
2
CLKBA
29
30
31
27
26
15
42
2
OEAB
28
A REG
B REG


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