DS21348

Manufacturer Part NumberDS21348
Description3.3V E1/T1/J1 Line Interface
ManufacturerDallas Semiconducotr
DS21348 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
t
F t
R
TCLK
1
TCLK
2
TPOS, TNEG
NOTES:
1) TCES = 0 (CCR2.1) or CES = 0.
2) TCES = 1 (CCR2.1) or CES = 1.
SYMBOL
MIN
TYP
t
488
CP
648
t
75
CH
t
75
CL
t
20
SU
t
20
HD
t
, t
R
F
t
CP
t
t
CL
CH
t SU
t HD
69 of 73
= 3.3V ± 5%)
DD
MAX
UNITS
NOTES
ns
1
ns
2
ns
ns
ns
ns
25
ns