MT90221 Zarlink Semiconductor, MT90221 Datasheet - Page 97
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MT90221
Manufacturer Part Number
MT90221
Description
Quad Inverse Multiplexing For Atm (IMA) Device With Flexible Ima And Uni Mode
Manufacturer
Zarlink Semiconductor
Datasheet
1.MT90221.pdf
(115 pages)
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MT90221
AC Electrical Characteristics - Utopia Interface Transmit Timing
Note 1 - The RXCLK signal needs to be synchronous with the system clock refer to paragraph 5.2.
88
AC Electrical Characteristics - Receive Timing
TxClk
TxData[7:0], TxSOC, TxEnb*,
TxAddr[4:0]
TxClav[0]
RxClk
RxEnb*, RxAddr[4:0]
RxData[7:0], RxSOC, RxClav[0]
Signal name
Signal name
A->P
A->P
A<-P
A->P
A->P
A<-P
DIR
DIR
Item
tT10
tT11
tT12
tT10
Item
tT11
tT12
tT5
tT6
tT7
tT8
tT9
tT9
tT5
tT6
tT7
tT8
1
1
TxClk frequency (nominal)
TxClk duty cycle
TxClk peak-to-peak jitter
TxClk rise/fall time
Input setup to TxClk
Input hold from TxClk
Input setup to TxClk
Input hold from TxClk
Signal valid
Signal going high impedance
Signal going low impedance from
TxClk
Signal going high impedance from
TxClk
RxClk frequency (nominal)
RxClk duty cycle
RxClk peak-to-peak jitter
RxClk rise/fall time
Input setup to RxClk
Input hold from RxClk
Input setup to RxClk
Input hold from RxClk
Signal valid
Signal going high impedance
Signal going low impedance from
RxClk
Signal going high impedance from
RxClk
Description
Description
14 ns
14 ns
18 ns
18 ns
40%
Min.
40%
4 ns
0 ns
4 ns
0 ns
3 ns
3 ns
4 ns
0 ns
4 ns
0 ns
3 ns
3 ns
Min
0
0
-
-
-
-
25 MHz
25 MHz
Max.
60%
Max
60%
4 ns
4 ns
5%
5%
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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