cn8223 Mindspeed Technologies, cn8223 Datasheet - Page 147

• Manufacturer Part Number: cn8223
• Description: Atm Transmitter/receiver With Utopia Interface
• Manufacturer: Mindspeed Technologies

CN8223
ATM Transmitter/Receiver with UTOPIA Interface
4.3.4 UTOPIA Interface Timing
Table 4-8. UTOPIA Interface Timing
100046D
Name
t
t
t
t
t
t
t
t
t
t
t
t
t
dsu
tes
teh
cef
res
reh
T1
T2
cff
dh
R1
R2
cd
Interval
14–15
13–14
12–13
9–12
9–11
9–10
1–4
1–3
1–2
6–7
5–7
4–6
7–8
Transmit Clock Input Period
Transmit Clock High Pulse Width
Transmit Clock High to Full Flag Output Valid
TxEnb~ Setup to Transmit Clock Rising Edge
TxData, TxPrty, TxSOC Setup to Transmit Clock
TxEnb~ Hold after Transmit Clock Rising Edge
TxData, TxPrty, TxSOC Hold after Transmit Clock
Receive Clock Input Period
Receive Clock High Pulse Width
Receive Clock High to Empty Flag Output Valid
Receive Clock High to RxData, RxPrty, RxSOC Valid
RxEnb~ Setup to Receive Clock Rising Edge
RxEnb~ Hold after Receive Clock Rising Edge
Table 4-8
the UTOPIA interface. All times are in nanoseconds.
and
Figure 4-7
Description
Conexant
display the timing requirements and characteristics of
4.0 Electrical and Mechanical Specifications
Min
40
16
40
16
3
8
8
1
1
3
3
8
1
Max
4.3 Timing
—
24
10
—
—
—
—
—
24
10
10
—
—
4-13