www.德州仪器.com
产品 预告(展)
TIMINGREQUIREMENTS
TL16C2550
SLWS161–JUNE2005
5VNomial
PARAMETERTESTCONDITIONSMINTYP
(1)
MAXUNIT
V
OH
高-leveloutputvoltage
(2)
I
OH
=-4ma4v
V
OL
低-leveloutputvoltage
(2)
I
OL
=4ma0.4v
I
I
InputcurrentV
CC
=5.25v,v
SS
=0,v
I
=0to5.2510µa
v,allotherterminalsfloating
I
OZ
高-阻抗-stateoutputcurrentv
CC
=5.25v,v
SS
=0,v
I
=0to5.25±20µa
v,chipslectedinwritemodeorchip
deselcted
I
CC
SupplycurrentV
CC
=5.25v,t
一个
=25°c,rxa,24ma
rxb,dsra,dsrb,cda,cdb,
ctsa,ctsb,ria,andribat2v,
allotherinputsat0.8v,xtal1at4
mhz,noloadonoutputs,
C
i(clk)
ClockinputimpedanceV
CC
=0,v
SS
=0,f=1mhz,t
一个
=1520pF
25°c,allotherterminalsgrounded
C
o(clk)
Clockoutputimpedance2030pF
C
I
Inputimpedance610pF
C
O
Outputimpedance1020pF
(1)alltypicalvaluesareatv
CC
=5VandT
一个
=25°c.
(2)theseparametersapplyforalloutputsexceptxtal2.
overrecommendedrangesofsupplyvoltageandoperatingfree-airtemperature(unlessotherwisenoted)
限制
alt.sym-图-测试
parameter2.5v3.3v5vunit
BOLURECONDITIONS
MINMAXMINMAXMINMAX
t
cR
cycletime,读(t
w7
+t
d8
+t
d9
)rc87ns
t
cW
cycletime,写(t
w6
+t
d5
+t
d6
)wc87ns
t
w1
pulseduration,clockhight
XH
5f=16mhzmax,25ns
V
CC
=2.5v
t
w2
pulseduration,clocklowt
XL
t
w1
pulseduration,clockhight
XH
5f=20mhzmax,20ns
V
CC
=3.3v
t
w2
pulseduration,clocklowt
XL
t
w1
pulseduration,clockhight
XH
5f=24mhzmax,18ns
V
CC
=5V
t
w2
pulseduration,clocklowt
XL
t
w6
pulseduration,iowt
IOW
640ns
t
w7
pulseduration,iort
IOR
740ns
t
w8
pulseduration,resett
重置
1µs
t
SU3
setuptime,datavalidbeforeiow
↑
t
DS
615ns
t
SU4
setuptime,cts
↑
beforemidpointof1710ns
stopbit
t
h3
holdtime,csvalidafteriow
↑
t
WCS
610ns
t
h4
holdtime,addressvalidafteriow
↑
t
WA
t
h5
holdtime,datavalidafteriow
↑
t
DH
65ns
t
h6
holdtime,chipselectvalidafterior
↑
t
RCS
710ns
t
h7
holdtime,addressvalidafterior
↑
t
RA
720ns
t
d4
delaytime,csvalidbeforeiow
↓
t
CSW
67ns
t
d5
delaytime,addressvalidbeforet
AW
IOW
↓
t
d7
delaytime,csvalidtoior
↓
t
CSR
77ns
t
d8
delaytime,addressvalidtoior
↓
t
AR
t
d10
delaytime,ior
↓
todatavalidt
RVD
7C
L
=75pF45ns
t
d11
delaytime,ior
↑
tofloatingdatat
HZ
7C
L
=75pF20ns
11
: 点此下载
