BT8954 CONEXANT [Conexant Systems, Inc], BT8954 Datasheet - Page 85

• Manufacturer Part Number: BT8954
• Description: VOICE PAIR GAIN FRAMER
• Manufacturer: CONEXANT [Conexant Systems, Inc]

Bt8954
Voice Pair Gain Framer
Table 5-5. DSL Interface Switching Characteristics
Figure 5-2. DSL Interface Timing
N8954DSC
Symbol
10
4
5
6
7
8
9
QCLK
RDAT
BCLK
TDAT
TDAT Setup Prior to BCLK Falling Edge
TDAT Hold After BCLK Low
BCLK Period
BCLK Pulse-Width High
BCLK Pulse-Width Low
RDAT, QCLK Hold after BCLK Rising Edge
RDAT, QCLK Delay after BCLK High
9
10
4
Parameter
5
Conexant
7
5.0 Electrical and Mechanical Specifications
T
T
QCLK
QCLK
Minimum
T
QCLK
100
–50
25
—
6
4 – 20
4 – 20
2
8
5.1 Electrical Specifications
T
T
QCLK
QCLK
Maximum
T
QCLK
—
—
—
50
4 + 20
4 + 20
2
Units
ns
ns
—
ns
ns
ns
ns
5-3