78P2351-IGT TERIDIAN [Teridian Semiconductor Corporation], 78P2351-IGT Datasheet - Page 29

• Manufacturer Part Number: 78P2351-IGT
• Description: Single Channel OC-3/ STM1-E/ E4 LIU
• Manufacturer: TERIDIAN [Teridian Semiconductor Corporation]

Page: 29 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
(PICK or SICKP/N )
PARAMETER
Output Impedance
Return Loss
ELECTRICAL SPECIFICATIONS
TRANSMITTER SPECIFICATIONS FOR CMI INTERFACE
Bit Rate: 139.264 Mbps ± 15ppm or 155.52 Mbps ± 20ppm
Code: Coded Mark Inversion (CMI)
Relevant Specifications: ITU-T G.703, Telcordia GR-253, ANSI T1.102
With the coaxial output port driving a 75 Ω load, the output pulses conform to the templates in Figures 12, 13, 14
and 15. 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
Single Channel
MAX
MAX
0.35
1.1
0.1
0.5
2
0
78P2351
UNIT
UNIT
ppm
Rev. 2.4
M Ω
dB
pF
ns
ns
V