參數(shù)資料
型號： 28233-11
廠商： CONEXANT SYSTEMS
元件分類： 數(shù)字傳輸電路
英文描述： ATM Transmitter/Receiver with UTOPIA Interface
中文描述： TRANSCEIVER, PQFP160
封裝： PLASTIC, MQFP-160
文件頁數(shù)： 30/161頁
文件大?。?/td> 1832K
代理商： 28233-11
Transmit Clock
Output
1.0 Product Description
CN8223
1.10 Pin Definitions
ATM Transmitter/Receiver with UTOPIA Interface
1-20
Conexant
100046C
Table 1-2. Hardware Signal Definitions (1 of 5)
Pin Label
Signal Name
No.
Type
I/O
Definition
L
RXCKI
Receive Clock
Input
10
CMOS/TTL
I
Receive clock for all line rates except STS-3c,
STM-1, and E4.
RXCKI_HS
–
RXCKI_HS+
Receive Clock
Input
11
12
PECL
PECL
I
I
Differential PECL level for high-speed modes.
Receive clock for STS-3c, STM-1, and E4. Tie to
+5 V if not used.
RXIN_HS
–
RXIN_HS+
Receive Serial
Input
20
21
PECL
PECL
I
I
Differential PECL level for high-speed modes.
Serial data in for STS-3c, STM-1, and E4. Tie to
+5 V if not used.
RXIN[0]
RXIN[1]
RXIN[2]
RXIN[3]
RXIN[4]
RXIN[5]
RXIN[6]
RXIN[7]
RXIN[8]
Receive Input
15
16
17
18
19
22
25
154
155
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
I
I
I
I
I
I
I
I
I
Receive parallel and TAXI mode data inputs. Tie
to a logic low level if not used.
TXCKI
Transmit Clock
Input
30
CMOS/TTL
I
Transmit clock for all modes except STS-3c,
STM-1, and E4.
TXCKI_HS
–
TXCKI_HS+
Transmit Clock
Input
23
24
PECL
PECL
I
I
Differential PECL level for high-speed modes.
Transmit clock for STS-3c, STM-1, and E4. Tie to
+5 V if not used.
TXIN
Transmit Inputs
32
CMOS/TTL
I
Transmit serial data input for all modes except
STS-3c, STM-1, and E4.
TCLKO
31
CMOS/TTL
O
Transmit clock output for all modes except
STS-3c, STM-1, and E4.
TXOUT[0]
TXOUT[1]
TXOUT[2]
TXOUT[3]
TXOUT[4]
TXOUT[5]
TXOUT[6]
TXOUT[7]
TXOUT[8]
Transmit Output
33
34
35
36
42
43
56
57
58
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
O
O
O
O
O
O
O
O
O
Transmit parallel and TAXI mode data outputs.
TCLKO_HS+
TCLKO_HS
–
Transmit Clock Out
28
29
PECL
PECL
O
O
Differential PECL level. Transmit clock output for
STS-3c, STM-1, and E4.
TXOUT_HS+
TXOUT_HS
–
Transmit Serial Out
38
39
PECL
PECL
O
O
Differential PECL level. Transmit serial data
output for STS-3c, STM-1, and E4.
LOCD
Loss of Cell
Delineation
122
CMOS/TTL
O
Asserted when cell synchronization is lost.
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