DS21348 Dallas Semiconducotr, DS21348 Datasheet - Page 69

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DS21348

Manufacturer Part Number
DS21348
Description
3.3V E1/T1/J1 Line Interface
Manufacturer
Dallas Semiconducotr
Datasheet

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AC CHARACTERISTICS—TRANSMIT SIDE (-40°C to +85°C; V
PARAMETER
TCLK Period
TCLK Pulse Width
TPOS/TNEG Setup to TCLK
Falling or Rising
TPOS/TNEG Hold from TCLK
Falling or Rising
TCLK Rise and Fall Times
See
NOTES:
1) E1 Mode.
2) T1 or J1 Mode.
TRANSMIT SIDE TIMING Figure 12-10
NOTES:
1) TCES = 0 (CCR2.1) or CES = 0.
2) TCES = 1 (CCR2.1) or CES = 1.
TPOS, TNEG
TCLK
TCLK
1
2
t
R
F t
SYMBOL
t
t
R
t
t
t
t
HD
CH
CL
SU
CP
, t
F
t SU
t HD
69 of 73
MIN
75
75
20
20
t
CL
t
CP
TYP
t
488
648
CH
MAX
25
DD
UNITS
= 3.3V ± 5%)
ns
ns
ns
ns
ns
ns
ns
NOTES
1
2

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