cn8237 Mindspeed Technologies, cn8237 Datasheet - Page 352

• Manufacturer Part Number: cn8237
• Description: Atm Oc-12 Servicesar Plus With Xbr Traffic Management
• Manufacturer: Mindspeed Technologies

16.0 Electrical and Mechanical Specifications
16.1 Timing
Table 16-3. UTOPIA Interface Timing Parameters (2 of 2)
Table 16-4. Slave UTOPIA Interface Timing Parameters (1 of 2)
16-4
NOTE(S):
(1)
(2)
Symbol
Symbol
See
See
t
t
t
t
high
t
cyc
low
t
t
val
su
h
h
Figure 16-3
Figure 16-4
RxDATA Input Hold Time from RxCLK
RxPAR Input Hold Time from RxCLK
RxSOC (RxMARK) Input Hold Time from RxCLK
RxCLAV (RxFLAG*) Input Hold Time from RxCLK
TxCLAV (TxFLAG*) Input Hold Time from TxCLK
TxCLK to TxDATA Valid Delay
TxCLK to TxPAR Valid Delay
TxCLK to TxSOC (TxMARK) Valid Delay
TxCLK to TxEN* Valid Delay
RxCLK to RxEN* Valid Delay
TxCLK/RxCLK Cycle Time
TxCLK/RxCLK High Time
TxCLK/RxCLK Low Time
RxDATA Input Setup Time to RxCLK
RxPAR Input Setup Time to RxCLK
RxSOC (RxMARK) Input Setup Time to RxCLK
RxEN* Input Setup Time to RxCLK
TxEN* Input Setup Time to TxCLK
RxDATA Input Hold Time from RxCLK
RxPAR Input Hold Time from RxCLK
RxSOC (RxMARK) Input Hold Time from RxCLK
RxEN* Input Hold Time from RxCLK
TxEN* Input Hold Time from TxCLK
for waveforms and definitions.
for waveforms and definitions. The output delays are measured with a 50 pF load.
Parameter
Parameter
(1)
(1)
(1)
Mindspeed Technologies
(2)
(2)
(2l
(% of tcyc)
(2)
(% of tcyc)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
ATM OC-12 ServiceSAR Plus with xBR Traffic Management
(1)
(1)
(1)
(1)
(1)
™
Min
Min
20
40
40
1
1
1
1
1
2
2
2
2
2
4
4
4
4
4
1
1
1
1
1
Max
Max
—
—
—
—
—
12
12
12
12
12
—
60
60
—
—
—
—
—
—
—
—
—
—
28237-DSH-001-C
CN8237
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%