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
10BASE-T MII Receive Timing
RX+/- preamble to CRS asserted
tRCRSA
-
RX+/- end of packet to CRS de-asserted
tRCRSD
RX+/- preamble to COL asserted
tRCOLA
0
RX+/- end of packet to COL de-asserted
tRCOLD
-
RX_CLK Period
tRCP
-
RX_CLK Pulse Width
tRCL, tRCH
-
"Start of Stream" to RXD latency
tRLAT
-
RXD[3:0], RX_ER, RX_DV setup to rising edge of
tRDS
30
RX_CLK
RXD[3:0], RX_ER, RX_DV hold from rising edge
tRDH
30
of RX_CLK
RX_EN asserted to RX_DV, RXD[3:0], RX_ER
tREN
-
valid
RX_EN de-asserted to RX_DV, RXD[3:0]. RX_ER
tRDIS
-
in high impedance state
RX+/RX-
CRS
COL
tRCRSA
tRCOLA
RX_CLK
RX_DV
RXD[3:0],
RX_ER
RX_EN
RXD[4:0],
RX_DV,
RX_ER
tRLAT
tRDS
tREN
tRCP
tRCL
tRCH
Typ
Max
Unit
5
7
BT
2.5
3
BT
-
7
BT
-
3
BT
400
-
ns
200
-
ns
13
17
BT
-
-
ns
-
-
ns
-
60
ns
-
60
ns
tRCRSD
tRCOLD
tRDH
tRDIS
In
Out
Out
Out
Out
Out
In
Out
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
DS206TPP2
77
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