DS2148 Dallas Semiconducotr, DS2148 Datasheet - Page 70

• Manufacturer Part Number: DS2148
• Description: 5V E1/T1/J1 Line Interface
• Manufacturer: Dallas Semiconducotr

AC CHARACTERISTICS—RECEIVE SIDE
RCLK Period
RCLK Pulse Width
RCLK Pulse Width
Delay RCLK to RPOS, RNEG,
PBEO, RBPV Valid
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.
RECEIVE SIDE TIMING Figure 12-9
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
70 of 75
MIN
PRBS Detector Out of Sync
200
200
150
150
t
(-40°C to +85°C; V
CL
BPV/
EXZ/
CV
TYP
t CP
488
648
t
CH
MAX
50
DD
UNITS
ns
ns
ns
ns
ns
ns
ns
= 5.0V ± 5%)
NOTES
1
2
3
3
4
4