cs8904 Cirrus Logic, Inc., cs8904 Datasheet - Page 24

• Manufacturer Part Number: cs8904
• Description: Crystal Lan? Quad Ethernet Transceiver
• Manufacturer: Cirrus Logic, Inc.

SWITCHING CHARACTERISTICS - MODE 2
Notes: 5. COLL asserts active-low in Mode 2.
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
Receive Timing - End of Frame
RxCLK hold after CD off
RxDATA throughput delay
CD turn off delay
Transmit Timing
TxENBL setup from TxCLK
TxENBL hold after TxCLK
TxDATA setup from TxCLK
TxDATA hold after TxCLK
Transmit startup delay
Transmit throughput delay
Loopback Timing
LOOP setup from TxENBL
LOOP hold after TxENBL
CD startup delay after TxENBL
24
Parameter
CIRRUS LOGIC ADVANCED PRODUCT DATABOOK
Symbol
t
t
CDOFF
t
t
t
t
t
(T
t
t
t
t
t
t
EHCH
DSCH
CHDU
CHEL
STUD
t
KHEH
CAEA
DATA
KHEL
t
RDS
RDH
RCH
t
TPD
CD
RD
Crystal LAN™ Quad Ethernet Transceiver
A
= 25 ° C; V
DD
Min
255
35
50
10
10
10
10
10
10
5
-
-
-
-
-
-
= 5 V; Note 5.)
1300
Max
800
250
400
400
400
-
-
-
-
-
-
-
-
-
-
DS191PP2
CS8904
bit times
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns