DS2148T+ Maxim Integrated Products, DS2148T+ Datasheet - Page 68

• Manufacturer Part Number: DS2148T+
• Description: IC LIU E1/T1/J1 5V 44-TQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS2148T+

• Number Of Drivers/receivers: 1/1
• Protocol: T1/E1/J1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 10-4. AC Characteristics—Receive Side
(V
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.
Figure 10-9. Receive Side Timing
DD
= 5.0V ±5%, T
NOTE 1: RCES = 1 (CCR2.0) OR CES = 1.
NOTE 2: RCES = 0 (CCR2.0) OR CES = 0.
NOTE 3: RNEG IS IN NRZ MODE (CCR1.6 = 1).
PARAMETER
RPOS, RNEG
PBEO
RNEG
RCLK
RCLK
A
= -40°C to +85°C.) (See
3
1
2
t DD
t DD
SYMBOL
bit
error
t
t
t
t
t
t
DD
CH
CH
CP
CL
CL
BPV/
EXZ/
CV
68 of 73
Figure
MIN
200
200
150
150
10-9)
TYP
488
648
PRBS Detector Out of Sync
t
CL
BPV/
EXZ/
CV
MAX
50
t CP
t
CH
UNITS
ns
ns
ns
ns
ns
ns
ns
NOTES
1
2
3
3
4
4