KS8842-32MQL Micrel Inc, KS8842-32MQL Datasheet - Page 129

• Manufacturer Part Number: KS8842-32MQL
• Description: IC SWITCH 10/100 32BIT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8842-32MQL

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 2
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Phy/transceiver Interface: MII
• Power Supply Type: Analog/Digital
• Package Type: PQFP
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 3.5V
• Operating Supply Voltage (min): 3.1V
• Operating Temperature Classification: Commercial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: KS8842-PMQL-EVAL - EVAL KIT EXPERIMENTAL KS8842KS8842-16MQL-EVAL - EVAL KIT EXPERIMENTAL KS8842
• Lead Free Status / RoHS Status: Not Compliant, Lead free / RoHS Compliant
• Other names: 576-1459

Synchronous Timing in Burst Read (VLBUSN = 1)
Micrel, Inc.
October 2007
Read Data
RDYRTNN
DATACSN
CYCLEN
SRDYN
Symbol
t1
t2
t3
t4
t5
t6
t7
t8
t9
t10
t11
t12
BCLK
SWR
Parameter
SWR setup to BCLK falling
DATDCSN setup to BCLK rising
CYCLEN setup to BCLK rising
Read data setup to BCLK rising
Read data hold to BCLK rising
RDYRTNN setup to BCLK falling
RDYRTNN hold to BCLK falling
SRDYN setup to BCLK rising
SRDYN hold to BCLK rising
DATACSN hold to BCLK rising
SWR hold to BCLK falling
CYCLEN hold to BCLK rising
t1
Figure 22. Synchronous Burst Read Cycles – VLBUSN = 1
t2
t3
t8
Table 29. Synchronous Burst Read Timing Parameters
t9
data0
t4
129
t5
t6
t7
data1
Min
4
4
4
6
2
5
3
4
3
2
2
2
KSZ8842-16/32 MQL/MVL/MVLI/MBL
Typ
data2
t11
Max
data3
t10
t12
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
M9999-102207-1.9