KSZ8842-16_08 Datasheet, PDF (131/141 Pages) Micrel Semiconductor – 2-Port Ethernet Switch with Non-PCI Interface

Micrel, Inc.
Synchronous Read Timing (VLBUSN = 0)
KSZ8842-16/32 MQL/MVL/MVLI/MBL
BCLK
Address, AEN, BExN
ADSN
SWR
CYCLEN
Read Data
SRDYN
RDYRTNN
t2
v alid
t1
t5
t4
t3
t7
t6
v alid
t8
t9
t10 t11
Figure 24. Synchronous Read Cycle – VLBUSN = 0
Symbol Parameter
Min Typ Max Unit
t1
A1-A15, AEN, BExN[3:0] setup to ADSN rising
4
ns
t2
A1-A15, AEN, BExN[3:0] hold after ADSN rising
2
ns
t3
CYCLEN setup to BCLK rising
4
ns
t4
CYCLEN hold after BCLK rising (non-burst mode)
2
ns
t5
SWR setup to BCLK
4
ns
t6
Read data hold from BCLK rising
1
ns
t7
Read data setup to BCLK
8
ns
t8
SRDYN setup to BCLK
8
ns
t9
SRDYN hold to BCLK
1
ns
t10
RDYRTNN setup to BCLK rising
4
ns
t11
RDYRTNN hold after BCLK rising
1
ns
Table 31. Synchronous Read (VLBUSN = 0) Timing Parameters
October 2007
131
M9999-102207-1.9