78Q2120 Teridian Semiconductor Corp. (TDK Semiconductor), 78Q2120 Datasheet - Page 21

• Manufacturer Part Number: 78Q2120
• Description: 10/100 Ethernet PHYS
• Manufacturer: Teridian Semiconductor Corp. (TDK Semiconductor)

10/100BASE-TX
Ethernet Transceiver
MII Receive Interface
MDIO Interface Input Timing
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
Receive Outputs from the 78Q2120-64CGT
MIO
MIO
RX
F
MDC
MDIO
max
MDIO as an Input to the 78Q2120-64CGT
DLY
HD
SU
MIO SU
CONDITIONS
CONDITIONS
21
RX
DLY (MAX)
RX
(MIN)
DLY
MIO HD
MIN
MIN
40
10
10
0
NOM
NOM
MAX
MAX
30
60
25
UNIT
UNIT
MHz
ns
ns
ns
%