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LAN9250 Fiches technique(PDF) 118 Page - Microchip Technology

No de pièce LAN9250
Description  Integrated Ethernet PHY with HP Auto-MDIX
PDF  421 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9250 Fiches technique(HTML) 118 Page - Microchip Technology

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LAN9250
DS00001913A-page 118
 2015 Microchip Technology Inc.
Note 16: RD_WR and ENB signaling.
Note 17: RD and WR signaling.
Note:
Timing values are with respect to an equivalent test load of 25 pF.
tcson
CS to Data Buffer Turn On
0
ns
tcsdv
CS Active to Data Valid
30
ns
tcsdh
Data Output Hold Time from CS Inactive
0
ns
tcsdz
Data Buffer Turn Off Time from CS Inactive
9
ns
tfdv
FIFOSEL to Data Valid
30
ns
tadv
Address Change to Next Data Valid
40
ns
tacyc
Address Cycle Time
45
ns
trdrd
RD or ENB De-assertion Time before Next RD or ENB
13
ns
trdwr
RD De-assertion Time before Next WR
Note 17
13
ns
TABLE 9-5:
INDEXED ADDRESSING FIFO DIRECT SELECT BURST READ CYCLE TIMING
VALUES (CONTINUED)
Symbol
Description
Min
Typ
Max
Units



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