CN8330EPD CONEXANT [Conexant Systems, Inc], CN8330EPD Datasheet - Page 78

• Manufacturer Part Number: CN8330EPD
• Description: DS3/E3 Framer with 52 Mbps HDLC Controller
• Manufacturer: CONEXANT [Conexant Systems, Inc]

4.0 Mechanical/Electrical Specifications
4.1 Timing Requirements
Table 4-3. Output Signal Timing
Table 4-4. Input Setup/Hold Timing
4-4
TDAT[7:0] (Parallel Mode)
SNDMSG,SNDFCS
RXPOS, RXNEG
RDAT[7] /TXNRZ
Input Symbol
Output Symbol
TXPOS/TXNEG
LCVERRI
TXDATI
RXGAPCK
RXGAPCK
TXGAPCK
TXSYI
TXENI
CBITI
RXMSY
RXOVH
RXCLK
RXDAT
RXCCK
RXBCK
TXSYO
TXOVH
TXBCK
TCLKO
CBITO
DS3CKI
TXCCK
TXBCK
TXBCK
TCLKO
TCLKO
TXCKI
TXCKI
Clock
DS3CKI/RXCKI
DS3CKI/RXCKI
RXCLK
RXCLK
RXCLK
RXCCK
RXCLK
RXCLK
RXCLK
TCLKO
TCLKO
TXCKI
TXCKI
TXCKI
TXCKI
TXCKI
Clock
Conexant
–2 × t
–2 × t
2 × t
t
su
1.0
1.0
9.0
9.0
1.0
min
cyc
cyc
cyc
DS3/E3 Framer with 52 Mbps HDLC Controller
t
t
cyc
pd
2.8
1.8
1.6
3.2
2.5
2.0
2.8
1.0
1.2
1.2
3.2
2.2
3.0
2.8
3.4
+1.0
min
Full TXBCK Period
Full TXBCK Period
t
4 × t
hld
6.0
6.0
0.0
0.0
5.0
min
cyc
t
t
cyc
pd
13.0
11.1
10.0
22.0
11.1
11.7
16.0
12.8
15.6
5.0
5.2
9.1
9.0
7.0
8.2
max
+2.0
Rising
Rising
Rising
Rising
Rising
Rising
Falling
Rising
Rising
Rising
Rising
Rising
Falling
Edge
Falling
Falling
Both
Both
Both
Rising
Rising
Rising
Rising
Rising
Rising
Edge
CN8330
100441E
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns