zl50409 Zarlink Semiconductor, zl50409 Datasheet - Page 127

• Manufacturer Part Number: zl50409
• Description: Managed 9-port 10/100m Ethernet Switch
• Manufacturer: Zarlink Semiconductor

13.4.5
Symbol
MM2
MM2
MM3
MM4
MM4
MM5
MM6
MM7
Media Independent Interface
M[9,7:0]_RXD[3:0] Input Setup Time
M[8]_RXD[3:0] Input Setup Time
Mn_RXD[3:0] Input Hold Time
M[9,7:0]_CRS_DV Input Setup Time
M[8]_CRS_DV Input Setup Time
Mn_CRS_DV Input Hold Time
Mn_TXEN Output Delay Time
Mn_TXD[3:0] Output Delay Time
Figure 19 - AC Characteristics – Media Independent Interface (RX)
Figure 18 - AC Characteristics – Media independent Interface (TX)
Parameter
Mn_RXD[3:0]
Mn_CRS_DV
Mn _TXD[3:0]
Mn_RXCLK
Mn_TXCLK
Mn_TXEN
Zarlink Semiconductor Inc.
ZL50409
127
MM2
MM4
MM6-min
MM7-min
MM6-max
MM7-max
Min. (ns)
MM
MM
3
5
10
10
4
2
4
2
2
2
25 MHz
Max. (ns)
14
14
CPU MII Interface
CPU MII Interface
C
C
L
L
= 20 pF
= 20 pF
Note:
Data Sheet