KSZ8851-16MLL TR Micrel Inc, KSZ8851-16MLL TR Datasheet - Page 72

• Manufacturer Part Number: KSZ8851-16MLL TR
• Description: Single Ethernet Port + Generic (16-bit) Bus Interface( )
• Manufacturer: Micrel Inc

Specifications of KSZ8851-16MLL TR

• Operating Supply Voltage (typ): 3.3V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / RoHS Status: Compliant

Timing Specifications
Asynchronous Read and Write Timing
August 2009
Micrel, Inc.
Symbol
t1
t2
t3
t4
t5
t6
t7
CSN, CMD
RDN, WRN
Read Data
SD[15:0]
Write Data
SD[15:0]
CSN, CMD valid to RDN, WRN active
Read Data SD[15:0] valid to RDN inactive
RDN inactive to Read data invalid
CSN, CMD hold after RDN, WRN inactive
WRN active to write data valid (bit12=0 in RXFDPR)
WRN active to write data valid (bit12=1 in RXFDPR)
RDN Read active time (low)
WRN Write active time (low)
RDN Read inactive time (high)
WRN Write inactive time (high)
Table 15. Asynchronous Cycle Timing Parameters
Parameter
Figure 11. Asynchronous Cycle
t1
t5
72
valid
t6
valid
t2
valid
Min
40
40
10
10
0
2
1
0
8
t4
t3
Typ
t7
Max
16
2
4
KSZ8851-16MLL/MLLI
M9999-083109-2.0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns