AM79C901AJCT AMD [Advanced Micro Devices], AM79C901AJCT Datasheet - Page 75
![no-image](/images/no-image-200.jpg)
AM79C901AJCT
Manufacturer Part Number
AM79C901AJCT
Description
HomePHY Single-Chip 1/10 Mbps Home Networking PHY
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.AM79C901AJCT.pdf
(90 pages)
- Current page: 75 of 90
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AC CHARACTERISTICS (CONTINUED)
MII
10BASE-T Transmit Timing (MII)
Note:
No.
40
41
42
43
44
45
TX_CLK
TX_EN
TX_EN
TXD,
CRS
Not tested
TX±
Symbol
t
t
t
t
PWL
t
t
PD
PD
PD
H
S
TXD, TX_EN setup time to TXCLK
TXD, TX_EN hold time from TXCLK
Transmit latency (TX_EN sampled HIGH to 1st bit of data)
CRS assert from TX_EN sampled HIGH
CRS de-assert from TX_EN sampled LOW
TX_EN de-assertion time between packets (Note 1)
End of Packet
Figure 9. 10 Mbps Transmit Timing (MII)
44
Parameter Description
P R E L I M I N A R Y
45
Am79C901A
edge
edge
40
43
41
42
Start of Packet
1200
Min
240
10
0
0
0
Max
360
430
430
–
–
–
22304B-33
Unit
ns
ns
ns
ns
ns
ns
75
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