TMXF846221BL-3-DB LSI, TMXF846221BL-3-DB Datasheet - Page 42

• Manufacturer Part Number: TMXF846221BL-3-DB
• Manufacturer: LSI

Specifications of TMXF846221BL-3-DB

• Screening Level: Industrial
• Package Type: BGA
• Lead Free Status / Rohs Status: Not Compliant

TMXF84622 Ultramapper
622/155 Mbits/s SONET/SDH x DS3/E3/DS2/DS1/E1/DS0
Table 5-2. Protection Link Inputs Specifications
Table 5-3. High-Speed Interface Outputs Specifications
Table 5-4. Protection Link Output Specifications
5.2 THSSYNC Characteristics
THSSYNC is an 8 kHz composite frame sync pulse for STS-3 or STS-12. THSSYNC contains J
as shown in Figure 5-5. The time delay from any rising edge of a J
time delay between any two V
When MPU_MASTER_SLAVE = 1, then THSSYNC is according to Figure 5-5.
42
42
* Input serial data stream should have minimum eye opening of 0.4 UIp-p, and no more than 60 consecutive bits that have no transitional edge
RPSDP/N (622 MHz)
RPSDP/N (155 MHz)
RPSDP/N (155 MHz)
THSDP/N (622.08 MHz or 155.52 MHz)
THSSYNC (MPU_MASTER_SLAVE = 1)
TPSDP/N (622.08 MHz or 155.52 MHz)
STS-3
within one minute. It must meet 100 ps maximum phase variation limit over a 200 ns interval; this translates to a frequency change of 500 ppm.
STS-12
Name
J
J
0
0
50 ns
50 ns
12.5 ns
Name
Name
J
1-1
*
*
FIRST FRAME
FIRST FRAME
J
1-2
Figure 5-3. THSSYNC Timing Diagram (MPU_MASTER_SLAVE = 1)
J
1-3
V
V
1-1
1-1
1-1
Asynchronous
Asynchronous
V
V
Reference
(2 kHz) pulses is 500 µs. This is true whether in STS-3 or STS-12 mode.
RPSCP/N
1-2
1-2
V
V
1-3
1-3
J
J
THSCOP/N
SECOND FRAME
Reference
Reference
SECOND FRAME
0
0
TPSCP/N
TLSCLK
Rising/Falling
J
1-1
J
Edge
1-2
—
—
R
J
1-3
Rising/Falling
Rising/Falling
0
(8 kHz) to the rising edge of the next J
Edge
Edge
—
R
R
J
J
0
0
THIRD FRAME
Time (ns)
Max Rise
THIRD FRAME
Hardware Design Guide, Revision 10
0.5
0.5
1.0
J
1-1
J
1-2
J
Time (ns)
Max Fall
1-3
Min (ns)
Min (ns)
0.5
0.5
1.0
–0.5
0.3
0.3
Propagation Delay
Propagation Delay
0
J
J
, J
0
0
FOURTH FRAME
FOURTH FRAME
Min Setup
1
, and V
(ns)
—
—
Agere Systems Inc.
2
J
0
1-1
April 5, 2005
1-1
is 125 µs. The
Max (ns)
Max (ns)
J
1-2
information
0.8
0.2
0.8
J
Min Hold
1-3
(ns)
—
—
0