AC101LKQT Broadcom, AC101LKQT Datasheet - Page 45

• Manufacturer Part Number: AC101LKQT
• Manufacturer: Broadcom

Specifications of AC101LKQT

• Number Of Receivers: 1
• Data Rate: 10/100Mbps
• Package Type: TQFP
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 48
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Lead Free Status / Rohs Status: Not Compliant

03/10/03
100BASE-TX/FX MII T
Document
Parameter
TX_CLK period
TX_CLK high period
TX_CLK low period
TXEN to /J/
TXEN sampled to CRS
TXEN sampled to COL
!TXEN to /T/
!TXEN sampled to !CRS
!TXEN sampled to !COL
TX propagation delay
TXD[3:0], TXEN, TXER setup
TXD[3:0], TXEN, TXER hold
TX_CLK
TXEN
TXD[3:0]
TX_ER
TXOP/N
FXTP/N
CRS
COL
AC101L-DS05-R
tTXS
tTCSA
tTCLA
tCKH
tCK
tTJ
Symbol
tCK
tCKH
tCKL
tTJ
tCSA
tCLA
tTT
tCSD
tCLD
tTJ
tTXS
tTXH
Table 37: 100BASE-X MII Transmit System Timing
Figure 5: 100BASE-TX/FX MII Transmit Timing
tTXH
RANSMIT
tCKL
Conditions
–
–
–
–
RPTR is logic low
RPTR is logic low
–
RPTR is logic low
RPTR is logic low
From TXD[3:0] to TXOP/N(FXTP/N)
From rising edge of TX_CLK
From rising edge of TX_CLK
Start of
Packet
/J/
B roa dcom
S
YSTEM
T
End of
Packet
IMING
tTT
Min
39.998
18.000
18.000
–
–
–
–
–
–
–
10
0
Typ
40.000
20.000
20.000
40
40
40
40
40
40
40
–
–
tTCLD
tTCSD
Max
40.002
22.000
22.000
180
180
180
180
180
180
180
–
–
/T/
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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