DS2155LB Maxim Integrated, DS2155LB Datasheet - Page 234
DS2155LB
Manufacturer Part Number
DS2155LB
Description
Network Controller & Processor ICs
Manufacturer
Maxim Integrated
Datasheet
1.DS2155GNB.pdf
(238 pages)
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DS2155LB
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37.5 Transmit AC Characteristics
AC CHARACTERISTICS: TRANSMIT SIDE
(Figure
(V
TCLK Period
TCLK Pulse Width
TCLKI Period
TCLKI Pulse Width
TSYSCLK Period
TSYSCLK Pulse Width
TSYNC or TSSYNC Setup to TCLK or
TSYSCLK Falling
TSYNC or TSSYNC Pulse Width
TSER, TSIG, TDATA, TLINK, TPOSI,
TNEGI Setup to TCLK, TSYSCLK,
TCLKI Falling
TSER, TSIG, TDATA, TLINK Hold
from TCLK or TSYSCLK Falling
TPOSI, TNEGI Hold from TCLKI
Falling
TCLK, TCLKI or TSYSCLK Rise and
Fall Times
Delay TCLKO to TPOSO, TNEGO
Valid
Delay TCLK to TESO, UT-UTDO
Valid
Delay TCLK to TCHBLK, TCHCLK,
TSYNC, TLCLK
Delay TSYSCLK to TCHCLK,
TCHBLK
Note 8: TSYSCLK = 1.544MHz
Note 9: TSYSCLK = 2.048MHz
Note 10: TSYSCLK = 4.096MHz
Note 11: TSYSCLK = 8.192MHz
Note 12: TSYSCLK = 16.384MHz
DD
= 3.3V ± 5%, T
37-12,
PARAMETER
Figure
A
= -40°C to +85°C for DS2155L; V
37-13, and
Figure
37-14)
SYMBOL
t
R
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PW
CH
LH
HD
HD
DD
CP
CL
LP
LL
SU
SU
D1
D2
D3
SP
SP
, t
F
234 of 238
DD
= 3.3V ± 5%, T
(Note 8)
(Note 9)
(Note 10)
(Note 11)
(Note 12)
CONDITIONS
A
= 0°C to +70°C for DS2155LN)
MIN
20
20
20
20
20
20
20
50
20
20
20
TYP (E1)
488 (E1)
648 (T1)
488 (E1)
648 (T1)
0.5 t
0.5 t
0.5 t
0.5 t
0.5 t
0.5 t
648
448
244
122
61
CP
CP
LP
LP
SP
SP
MAX
25
50
50
50
22
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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