78P2352-IEL TERIDIAN [Teridian Semiconductor Corporation], 78P2352-IEL Datasheet - Page 28

• Manufacturer Part Number: 78P2352-IEL
• Description: Dual Channel OC-3/ STM1-E/ E4 LIU
• Manufacturer: TERIDIAN [Teridian Semiconductor Corporation]

Page: 28 of 42
PARAMETER
Peak-to-peak Output Voltage
(Fuse-trimmed to nominal target at
final test)
Rise/ Fall Time
Transition Timing Tolerance
Transmit clock frequency stability
(PIxCK or SIxCKP/N )
PARAMETER
Output Impedance
Return Loss
ELECTRICAL SPECIFICATIONS
TRANSMITTER SPECIFICATIONS FOR CMI INTERFACE
Bit Rate: 139.264Mbps ± 15ppm or 155.52Mbps ± 20ppm
Code: Coded Mark Inversion (CMI)
Relevant Specification: ITU-T G.703, Telcordia GR-253, ANSI T1.102
With the coaxial output port driving a 75Ω load, the output pulses conform to the templates in Figures 11, 12,
13, and 14. These specifications are tested during production test. Consult application note for reference
schematic, layout guidelines, and recommended transformers.
The following specifications are not tested during production test. They are included for information only.
CONDITION
Template, steady state
10-90%
Negative Transitions
Positive Transitions at Interval
Boundaries
Positive Transitions at mid-
interval
With respect to CKREF
CONDITION
Driver is open drain
7MHz to 240MHz

2006 Teridian Semiconductor Corporation
(continued)
-0.35
MIN
MIN
-0.1
-0.5
0.9
15
0
OC-3/ STM1-E/ E4 LIU
NOM
NOM
1.05
1
8
Dual Channel
MAX
MAX
0.35
1.1
0.1
0.5
2
0
78P2352
UNIT
UNIT
ppm
Rev. 2.4
MΩ
dB
pF
ns
ns
V