BT8222EPFF CONEXANT [Conexant Systems, Inc], BT8222EPFF Datasheet - Page 142

• Manufacturer Part Number: BT8222EPFF
• Description: ATM Transmitter/Receiver with UTOPIA Interface
• Manufacturer: CONEXANT [Conexant Systems, Inc]

4.0 Electrical and Mechanical Specifications
4.3 Timing
Figure 4-3. Line Interface Timing–Internal Framers
Table 4-5. Parallel Interface Timing
4-8
NOTE(S):
(1)
Name
t txcki
t rxcki
t dsck
t ckds
t dscr
t dhcf
t cdel
t dck
t ckd
t rxh
t txh
t cid
Duty cycle must be 45/55 at maximum input clock rate.
Interval
11–15
11–13
10–11
11–14
12–13
15–16
1–4
4–5
1–2
1–3
6–7
8–9
RXCKI,RXCKIHS
RXPOS, RXNEG
TXCKI,TXCKIHS
TXPOS, TXNEG
Transmit Clock Period
Transmit Clock Pulse Width High
Transmit Clock In to Data Out
Transmit Clock In to Delineation Out
Transmit Disable Setup to Transmit Clock Rising Edge
Transmit Disable Hold after Transmit Clock Falling Edge
Receive Clock Period
Receive Clock Pulse Width High
Receive Data Setup to Receive Clock Falling Edge
Receive Data Hold After Receive Clock Falling Edge
Receive Disable Setup to Receive Clock Rising Edge
Receive Disable Hold after Receive Clock Falling Edge
TXDATO
RXDATI
TCLKO
Description
1
7
Conexant
2
4
3
8
9
(1)
10
(1)
5
11
6
12
13
ATM Transmitter/Receiver with UTOPIA Interface
Min
4.6
3.9
3.0
2.3
3.7
3.0
3.0
50
20
50
20
0
Max
16.5
14.6
100046C
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