CDB8952T-IQ View Datasheet(PDF) - Cirrus Logic
Part Name
Description
Manufacturer
CDB8952T-IQ Datasheet PDF : 86 Pages
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CS8952T
CrystalLAN™ 100BASE-X and 10BASE-T Transceiver
SWITCHING CHARACTERISTICS (CONT.)
Parameter
Symbol
Min
Typ
Max
Unit
10BASE-T MII Transmit Timing
TX_CLK Period
tTCP
-
400
-
ns
TX_CLK Pulse Width
tTCL, tTCH
-
200
-
ns
TXD[3:0], TX_EN, TX_ER Setup to TX_CLK High
tTDS
10
-
-
ns
TXD[3:0], TX_EN, TX_ER Hold after TX_CLK
tTDH
0
-
-
ns
High
TX_CLK to CRS asserted latency
tTCRSA
0
-
4
BT
TX_CLK to CRS de-asserted latency
tTCRSD
0
-
16
BT
TX_CLK to TX+/- output (TX Latency)
tTPD
6
-
14
BT
TX+/- hold at end of packet
tTXH
250
-
-
ns
TX+/- return to idle (<= 50 mV)
tTXOFF
-
-
4.5
µs
TX_CLK
TX_EN
tTDS
tTDH
TXD[3:0],
TX_ER
tTCRSA
CRS
tTPD
TX+/TX-
tTCP
tTCL
tTCH
In/Out
In
In
tTCRSD
Out
tTXH
tTXOFF
Out
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
78
DS206TPP2
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