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CN8380 Datasheet, PDF (82/91 Pages) Conexant Systems, Inc – integrated quad line interface unit unit for both 1.544 Mbps (T1) and 2.048 Mbps (E1) applications
4.0 Electrical/Mechanical Specifications
4.5 AC Characteristics
Table 4-11. JTAG Interface Timing Parameters
Symbol
Parameter
1
TCK pulse width high
2
TCK pulse width low
3
TMS, TDI setup to TCK rising edge
4
TMS, TDI hold after TCK high
5
TDO hold after TCK falling edge
6
TDO delay after TCK low
7
TDO enable (Low Z) after TCK falling edge
8
TDO disable (High Z) after TCK low
NOTE(S): See Figure 4-9.
CN8380
Quad T1/E1 Line Interface
Minimum
80
80
20
20
0
—
2
—
Maximum
—
—
—
—
—
50
—
25
Units
ns
ns
ns
ns
ns
ns
ns
ns
Figure 4-9. JTAG Interface Timing Diagram
TDO
7
5
8
1
6
TCK
3
4
2
TDI
TMS
8380_024
4-12
Conexant
N8380DSA
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