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
100BASE-X MII Receive Timing
“Start of Stream” to CRS asserted
tRCRSA
-
10
11
BT
“End of Stream” to CRS de-asserted
tRCRSD
-
-
21
BT
“Start of Stream” to COL asserted
tRCOLA
-
-
11
BT
“End of Stream” to COL de-asserted
tRCOLD
-
-
21
BT
RX_CLK Period
tRCP
-
40
-
ns
RX_CLK Pulse Width
tRCL, tRCH
-
20
-
ns
"Start of Stream" to RXD latency
Aligned tRLAT
12
15
19
BT
Alignment Bypassed
5
-
9
RXD[3:0],RX_ER/RXD4,RX_DV setup to rising
tRDS
10
-
edge of RX_CLK
-
ns
RXD[3:0],RX_ER/RXD4,RX_DV hold from rising
tRDH
10
-
edge of RX_CLK
-
ns
RX_EN asserted to RX_DV, RX_ER, RXD[3:0]
tREN
-
valid
-
60
ns
RX_EN de-asserted to RX_DV, RX_ER,
RXD[3:0], RX_ER/RXD4 tristated
tRDIS
-
-
60
ns
RX+/RX-
CRS
COL
tRCRSA
tRCOLA
RX_CLK
RX_DV
RXD[4:0],
RX_ER
RX_EN
RXD[4:0],
RX_DV,
RX_ER
tRLAT
tREN
tRCP
tRCL tRCH
tRCRSD
tRCOLD
tRDS
tRDH
tRDIS
In
Out
Out
Out
Out
Out
In
Out
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
DS206TPP2
75
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