adm6993 Infineon Technologies Corporation, adm6993 Datasheet - Page 72

• Manufacturer Part Number: adm6993
• Description: Adm6993/x Hdlc To Fast Ethernet Converter
• Manufacturer: Infineon Technologies Corporation

Figure 11
Table 40
Parameter
RMII_REFCLK Period
RMII_REFCLK Low Period
RMII_REFCLK High Period
TXEN, TXD to REFCLK rising
setup time
TXE, TXD to REFCLK rising
hold time
CSRDV, RXD to REFCLK
rising setup time
CRSDV, RXD to REFCLK
rising hold time
GPSI (7-wire) Input Timing
GPSI (7-wire) Input timing conditions
Data Sheet
RMII_TXEN
RMII_CRSDV
TXD[1:0]
REFCLK
RXD[1:0]
REFCLK
Reduce MII Timing
100Base-TX MII Output Timing
0ns
0ns
tCKH
tCKH
tTXS
tCKH
tCKH
tTXH
Symbol
t
t
t
t
t
t
t
CK
CKL
CKH
TXS
TXH
RXS
RXH
tCK
tCK
tCK
tCK
tCKL
tCKL
tCKL
tCKL
tRXS
tRXH
Min.
4
2
4
2
50ns
50ns
72
Typ.
20
10
10
Values
Max.
100ns
100 ns
Unit
ns
ns
ns
ns
ns
ns
ns
Electrical Specification
Note / Test Condition
Rev 1.11, 2005-11-28
ADM6993/X