CDK8904-5 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'CDK8904-5' PDF : 34 Pages View PDF
CS8904
Crystal LAN™ Quad Ethernet Transceiver
SWITCHING CHARACTERISTICS - MODE 5 (TA = 25 °C; VDD = 5 V; Note 8.)
Parameter
Symbol
Min
Max
Unit
Receive Timing - Start of Frame
RX+/RX- active to RxDATA active
RX+/RX- active to CD active
Receive data setup from RxCLK
Receive data hold from RxCLK
RxCLK shutoff delay from CD active
Receive Timing - End of Frame
tDATA
tCD
tRDS
tRDH
tSWS
-
-
35
50
-110
1200
ns
800
ns
-
ns
-
ns
-
ns
RxDATA throughput delay
CD turn off delay
RxCLK switching delay after CD off
Transmit Timing
tRD
-
tCDOFF
-
tSWE
-
250
ns
400
ns
100
ns
TxENBL setup from TxCLK
TxENBL hold after TxCLK
TxDATA setup from TxCLK
TxDATA hold after TxCLK
Transmit startup delay
Transmit throughput delay
Loopback Timing
tEHCH
10
tCHEL
10
tDSCH
10
tCHDU
10
tSTUD
-
tTPD
-
-
ns
-
ns
-
ns
-
ns
400
ns
400
ns
LOOP setup from TxENBL
LOOP hold after TxENBL
CD startup delay after TxENBL
tKHEH
10
tKHEL
10
tCAEA
255
-
ns
-
ns
-
ns
Notes: 8. COLL asserts active-low in Mode 5.
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
30
DS191PP2
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