參數資料
型號: IDT74ALVC16841PV
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 10-BIT DRIVER, TRUE OUTPUT, PDSO56
封裝: 0.635 MM PITCH, SSOP-56
文件頁數: 1/6頁
文件大小: 65K
代理商: IDT74ALVC16841PV
INDUSTRIALTEMPERATURERANGE
IDT74ALVC16841
3.3VCMOS20-BITBUSINTERFACED-TYPELATCHWITH3-STATEOUTPUTS
1
MARCH 1999
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
1999 Integrated Device Technology, Inc.
DSC-4746/2
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
DRIVE FEATURES:
High Output Drivers: ±24mA
Suitable for heavy loads
APPLICATIONS:
3.3V high speed systems
3.3V and lower voltage computing systems
3.3V CMOS 20-BIT
BUS-INTERFACE
D-TYPE LATCH WITH
3-STATE OUTPUTS
DESCRIPTION:
This20-bitbus-interfaceD-typelatchisbuiltusingadvanceddualmetalCMOS
technology.TheALVC16841features3-stateoutputsdesignedspecificallyfor
drivinghighlycapacitiverelativelylow-impedanceloads.Thisdeviceisparticu-
larlysuitableforimplementingbufferregisters,unidirectional busdrivers,and
workingregisters.
The ALVC16841 can be used as two 10-bit latches or one 20-bit latch. The
20latchesaretransparentD-typelatches.Thedevicehasnoninvertingdata(D)
inputsandprovidestruedataatitsoutputs.Whilethelatch-enable(1LEor2LE)
inputishigh,theQoutputsofthecorresponding10-bitlatchfollowtheDinputs.
WhenLEistakenlow,theQoutputsarelatchedatthelevelssetupattheDinputs.
Abufferedoutput-enable(1OEor2OE)inputcanbeusedtoplacetheoutputs
ofthecorresponding10-bitlatchineitheranormallogicstate(highorlowlogic
levels) or a high-impedance state. In the high-impedance state, the outputs
neitherloadnordrivethebuslinessignificantly.OEdoesnotaffecttheinternal
operation of the latches. Old data can be retained or new data can be entered
whiletheoutputsareinthehigh-impedancestate.
TheALVC16841hasbeendesignedwitha±24mAoutputdriver.Thisdriver
is capable of driving a moderate to heavy load while maintaining speed
performance.
1
D
C1
TO 9 OTHER CH ANN ELS
1
LE
1
OE
1
D1
1
Q1
1
D
C1
TO 9 OTH ER CHA NNELS
2
LE
2
OE
2
D 1
2
Q1
1
56
55
2
28
29
42
15
Q
IDT74ALVC16841
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