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83940BYLFT

P1-P3P4-P6P7-P9P10-P12P13-P13
83940BY www.idt.com REV. B JANUARY 31, 2014
4
Low Skew, 1-to-18 LVPECL-to-
LVCMOS/LVTTL Fanout Buffer
ICS83940
PRODUCT DISCONTINUATION NOTICE - LAST TIME BUY EXPIRES JANUARY 27, 2015
TABLE 4C. POWER SUPPLY DC CHARACTERISTICS, V
DD
= V
DDO
= 2.5V±5%, TA = 0° TO 70°
lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU
V
DD
egatloVylppuSeroC 573.25.2526.2V
V
ODD
egatloVylppuStuptuO 573.25.2526.2V
I
DD
tnerruCylppuSrewoP 52Am
I
ODD
tnerruCylppuStuptuO 52Am
TABLE 5A. AC CHARACTERISTICS, V
DD
= V
DDO
= 3.3V±5%, TA = 0° TO 70°
lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU
f
XAM
ycneuqerFtuptuO 052zHM
t
HLp
;yaleDnoitagaporP
;KLCPn,KLCP
5,1ETON
f ≤ zHM05124.3sn
;KLC_SOMCVL
5,2ETON
f ≤ zHM0516.28.3sn
t
HLp
;yaleDnoitagaporP
;KLCPn,KLCP
5,1ETON
f > zHM05127.3sn
;KLC_SOMCVL
5,2ETON
f > zHM0516.24sn
t
)o(ks
;wekStuptuO
5,3ETON
KLCPn,KLCP
egdegnisirnoderusaeM
V@
ODD
2/
051sp
KLC_SOMCVL 051sp
t
)pp(ks
;wekStraP-ot-traP
6ETON
KLCPn,KLCPf< zHM0514.1sn
KLC_SOMCVLf< zHM0512.1sn
t
)pp(ks
;wekStraP-ot-traP
6ETON
KLCPn,KLCPf> zHM0517.1sn
KLC_SOMCVLf> zHM0514.1sn
t
)pp(ks
;wekStraP-ot-traP
5,4ETON
KLCPn,KLCP
egdegnisirnoderusaeM
V@
ODD
2/
058sp
KLC_SOMCVL 057sp
t
R
emiTesiRtuptuOV4.2ot5.03.02.1sn
t
F
emiTllaFtuptuOV4.2ot5.03.02.1sn
cdoelcyCytuDtuptuOf< zHM431540555%
taderusaemsretemarapllAzHM002.esiwrehtodetonsseln
u
uptuoehtottniopgnissorctupnilaitnereffidehtmorfderusaeM:1ETONVt
ODD
.2/
VmorfderusaeM:2ETON
DD
Vot2/
ODD
.2/
.snoitidnocdaollauqehtiwdnaegatlovylppusemasehttastuptuoneewtebwekssadenifeD:3ETON
VtaderusaeM
ODD
.2/
,segatlovylppusemasehttagnitareposecivedtnereffidnostuptuoneewtebwekssadenifeD:4ETON
eht,ecivedhcae
nostupnifoepytemasehtgnisU.snoitidnocdaollauqehtiwdna,erutarepmetemas
Vtaderusaemerastuptuo
ODD
.2/
.56dradnatSCEDEJhtiwecnadroccanidenifedsiretemarapsihT:5ETON
,segnaregatlovdnaerutarepmetssorca,sec
ivedtnereffidnostuptuoneewtebwekssadenifeD:6ETON
derusaemerastuptuoeht,ecivedhcaenostupnifoepytemaseht
gnisU.snoitidnocdaollauqehtiwdna
taV
ODD
.2/
83940BY www.idt.com REV. B JANUARY 31, 2014
5
Low Skew, 1-to-18 LVPECL-to-
LVCMOS/LVTTL Fanout Buffer
ICS83940
PRODUCT DISCONTINUATION NOTICE - LAST TIME BUY EXPIRES JANUARY 27, 2015
TABLE 4D. DC CHARACTERISTICS, V
DD
= V
DDO
= 2.5V±5%, TA = 0° TO 70°
lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU
V
HI
egatloVhgiHtupnIKLC_SOMCVL2V
DD
V
V
LI
egatloVwoLtupnIKLC_SOMCVL 8.0V
V
PP
kaeP-ot-kaeP
egatloVtupnI
KLCPn,KLCP003Vm
V
RMC
edoMnommoCtupnI
2,1ETON;egatloV
KLCPn,KLCP5.1+DNGV
DD
V
I
NI
tnerruCtupnI 002±Aµ
V
HO
egatloVhgiHtuptuOI
HO
Am21-=8.1V
V
LO
egatloVwoLtuptuOI
LO
Am21=5.0V
siKLCPn,KLCProfegatlovtupnimumixameht,snoitacilppadedneelgnisroF:1ETON V
DD
.V3.0+
sadenifedsiegatlovedomnommoC:2ETONV
HI
.
TABLE 5B. AC CHARACTERISTICS, V
DD
= V
DDO
= 2.5V±5%, TA = 0° TO 70°
lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU
f
XAM
ycneuqerFtuptuO 002zHM
t
HLp
;yaleDnoitagaporP
;KLCPn,KLCP
5,1ETON
f ≤ zHM05126.4sn
;KLC_SOMCVL
5,2ETON
f ≤ zHM0517.24.4sn
t
HLp
;yaleDnoitagaporP
;KLCPn,KLCP
5,1ETON
f > zHM0512.24.4sn
;KLC_SOMCVL
5,2ETON
f > zHM0517.24.4sn
t
)o(ks
;wekStuptuO
5,3ETON
KLCPn,KLCP
egdegnisirnoderusaeM
V@
ODD
2/
002sp
KLC_SOMCVL 002sp
t
)pp(ks
;wekStraP-ot-traP
6ETON
KLCPn,KLCPf< zHM0516.2sn
KLC_SOMCVLf< zHM0517.1sn
t
)pp(ks
;wekStraP-ot-traP
6ETON
KLCPn,KLCPf> zHM0512.2sn
KLC_SOMCVLf> zHM0517.1sn
t
)pp(ks
;wekStraP-ot-traP
5,4ETON
KLCPn,KLCP
egdegnisirnoderusaeM
V@
ODD
2/
2.1sn
KLC_SOMCVL 0.1sn
t
R
emiTesiRtuptuOV8.1ot5.03.02.1sn
t
F
emiTllaFtuptuOV8.1ot5.03.02.1sn
cdoelcyCytuDtuptuOf< zHM4315455%
taderusaemsretemarapllAzHM002.esiwrehtodetonsselnu
uptuoehtottniopgnissorctupnilaitnereffidehtmorfderusaeM:1ETONVt
ODD
.2/
VmorfderusaeM:2ETON
DD
Vot2/
ODD
.2/
.snoitidnocdaollauqehtiwdnaegatlovylppusemasehttastuptuoneewtebwekssadenifeD:3ETON
VtaderusaeM
ODD
.2/
,segatlovylppusemasehttagnitareposecivedtnereffidnostuptuoneewtebwekssadenifeD:4ETON
eht,ecivedhcae
nostupnifoepytemasehtgnisU.snoitidnocdaollauqehtiwdna,erutarepmetemas
Vtaderusaemerastuptuo
ODD
.2/
.56dradnatSCEDEJhtiwecnadroccanidenifedsiretemarapsihT:5ETON
,segnaregatlovdnaerutarepmetssorca,sec
ivedtnereffidnostuptuoneewtebwekssadenifeD:6ETON
derusaemerastuptuoeht,ecivedhcaenostupnifoepytemaseht
gnisU.snoitidnocdaollauqehtiwdna
taV
ODD
.2/
83940BY www.idt.com REV. B JANUARY 31, 2014
6
Low Skew, 1-to-18 LVPECL-to-
LVCMOS/LVTTL Fanout Buffer
ICS83940
PRODUCT DISCONTINUATION NOTICE - LAST TIME BUY EXPIRES JANUARY 27, 2015
PARAMETER MEASUREMENT INFORMATION
2.5V OUTPUT LOAD AC TEST CIRCUIT3.3V OUTPUT LOAD AC TEST CIRCUIT
SCOPE
Qx
LVCMOS
1.65V±5%
-1.65V±5%
SCOPE
Qx
LVCMOS
1.25V±5%
-1.25V±5%
DIFFERENTIAL INPUT LEVEL
V
CMR
Cross Points
V
PP
GND
PCLK
nPCLK
V
DD
PART-TO-PART SKEW
PROPAGATION DELAY
3.3V OUTPUT RISE/FALL TIME
Clock
Outputs
0.5V
2.4V
2.4V
0.5V
t
R
t
F
tsk(o)
V
DDx
2
V
DDx
2
Qx
Qy
OUTPUT SKEW
tsk(pp)
V
DDx
2
V
DDx
2
Qx
Qy
PART 1
PART 2
nPCLK
PCLK
Q0:Q17
t
PD
V
DDx
2
➤
➤
V
DD
2
2.5V OUTPUT RISE/FALL TIME
LVCMOS_CLK
Clock
Outputs
0.5V
1.8V
1.8V
0.5V
t
R
t
F
V
DD
,
V
DDx
GND
V
DD
,
V
DDx
GND
P1-P3P4-P6P7-P9P10-P12P13-P13

83940BYLFT

Mfr. #:
Buy 83940BYLFT
Manufacturer:
IDT
Description:
Clock Drivers & Distribution 18 LVCMOS OUT BUFFER
Lifecycle:
New from this manufacturer.
Delivery:
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