78Q2120C Teridian Semiconductor Corp. (TDK Semiconductor), 78Q2120C Datasheet - Page 22

• Manufacturer Part Number: 78Q2120C
• Description: 10/100 Ethernet PHYS
• Manufacturer: Teridian Semiconductor Corp. (TDK Semiconductor)

MII Receive Interface
MDIO Interface Input Timing
© 2003 TDK Semiconductor Corporation, Proprietary and Confidential
CHARACTERISTICS
Receive Output Delay:
RX_CLK to RXD[3:0],
RX_DV, RX_ER
RX_CLK Duty-Cycle
CHARACTERISTICS
Setup Time: MDC to MDIO
Hold Time: MDC to MDIO
Max Frequency: MDC
RX_CLK
RXD[3:0]
RX_DV
or
RX_ER
SYMBOL
SYMBOL
MIO
MIO
RX
F
MDC
MDIO
max
Receive Outputs from the 78Q2120C
DLY
HD
MDIO as an Input to the 78Q2120C
SU
MIO SU
CONDITIONS
CONDITIONS
- 22 -
RX
DLY (MAX)
RX
(MIN)
DLY
10/100BASE-TX Transceiver
MIO HD
MIN
MIN
10
40
10
0
NOM
NOM
MAX
MAX
30
60
25
78Q2120C
UNIT
UNIT
MHz
Rev_1.1
ns
ns
ns
%