DS21348 Dallas Semiconducotr, DS21348 Datasheet - Page 68

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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—RECEIVE SIDE
RCLK Period
RCLK Pulse Width
RCLK Pulse Width
Delay RCLK to RPOS, RNEG,
PBEO, RBPV Valid
See Figure 12-9
NOTES:
1) E1 Mode.
2) T1 or J1 Mode.
3) Jitter attenuator enabled in the receive path.
4) Jitter attenuator disabled or enabled in the transmit path.
Figure 12-9 RECEIVE SIDE TIMING
NOTES:
1) RCES = 1 (CCR2.0) or CES = 1.
2) RCES = 0 (CCR2.0) or CES = 0.
3) RNEG is in NRZ mode (CCR1.6 = 1).
RPOS, RNEG
PBEO
RNEG
RCLK
RCLK
PARAMETER
1
2
3
t DD
t DD
bit
error
BPV/
EXZ/
CV
SYMBOL
t
t
t
t
t
t
CH
CH
DD
CP
CL
CL
MIN
68 of 73
200
200
150
150
PRBS Detector Out of Sync
t
CL
BPV/
EXZ/
CV
(-40°C to +85°C; V
TYP
t CP
488
648
t
CH
MAX
50
UNITS
DD
ns
ns
ns
ns
ns
ns
ns
= 3.3V ± 5%
NOTES
1
2
3
3
4
4

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