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IDT74ALVCH16345 Datasheet(PDF) 1 Page - Integrated Device Technology

Part No. IDT74ALVCH16345
Description  3.3V CMOS REGISTERED ADDRESS LINE DRIVER 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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IDT74ALVCH16345 Datasheet(HTML) 1 Page - Integrated Device Technology

   
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INDUSTRIALTEMPERATURERANGE
IDT74ALVCH16345
3.3VCMOSREGISTEREDADDRESSLINEDRIVERWITH3-STATEOUTPUTS
1
JANUARY 2004
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
© 2004 Integrated Device Technology, Inc.
DSC-4734/2
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
µµµµµ W typ. static)
• Rail-to-Rail output swing for increased noise margin
• Available in TSSOP package
FUNCTIONAL BLOCK DIAGRAM
IDT74ALVCH16345
3.3V CMOS REGISTERED
ADDRESS LINE DRIVER
WITH 3-STATE OUTPUTS
AND BUS-HOLD
DESCRIPTION:
ThisregisteredaddresslinedriverisbuiltusingadvanceddualmetalCMOS
technology. The ALVCH16345 is configured with banks of four drivers, each
to be used in high speed synchronous memory applications.
The ALVCH16345 is ideal for driving memory modules in systems where
multiplememorymodulesareused.Oneeachofthefouroutputbanksdrives
adifferentmodule;modulescanbeaddedorremovedwithoutaffectingthesignal
integrityoftheothermodulesinthesystem.Dualclockenables(CEx)allowuse
ofthedeviceinhighspeedmemoryinterleavingapplicationswheretheclock
can be alternately enabled and disabled, allowing the address to be held for
additionalcyclesduringmemoryaccess.
The ALVCH16345 has been designed with a ±24mA output driver. This
driveriscapableofdrivingamoderatetoheavyloadwhilemaintainingspeed
performance.
The ALVCH16345 has “bus-hold” which retains the inputs’ last state
whenevertheinputgoestoahighimpedance.Thispreventsfloatinginputsand
eliminatestheneedforpull-up/downresistors.
DRIVE FEATURES:
• High Output Drivers: ±24mA
• Suitable for heavy loads
CE
D
CE
D
CE1
CLK
OE
D1
D2
D3
D 4
CE
D
CE
D
1
Q 1
4
Q 1
1
Q 2
4
Q2
1
Q 3
4
Q 3
1
Q 4
4
Q 4
CE
D
CE
D
CE2
D5
D6
D 7
D8
CE
D
CE
D
1
Q 5
4
Q5
1
Q 6
4
Q6
1
Q 7
4
Q7
1
Q 8
4
Q8
1
29
8
14
15
21
28
56
36
42
43
49
APPLICATIONS:
• 3.3V high speed systems
• 3.3V and lower voltage computing systems
• High speed synchronous DRAM modules
• PC motherboards


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