KSZ8842-16MQL Micrel Inc, KSZ8842-16MQL Datasheet - Page 111

• Manufacturer Part Number: KSZ8842-16MQL
• Description: IC SWITCH 10/100 16BIT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KSZ8842-16MQL

• Data Rate: 100Mbps
• Controller Type: Ethernet Switch Controller
• Interface: PCI
• Voltage - Supply: 3.1 V ~ 3.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• No. Of Ports: 1
• Ethernet Type: IEEE 802.3u
• Supply Current: 122mA
• Supply Voltage Range: 3.1V To 3.5V
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: QFP
• No. Of: RoHS Compliant
• 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
• Interface Type: PCI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1634 - BOARD EVALUATION KSZ8842-16MQL
• Current - Supply: -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-1478-5

Asynchronous Timing using Address Strobe (ADSN)
Micrel Confidential
November 2005
Symbol
Note1: When CPU finished current Read or Write operation, it can do next Read or Write operation even the
ARDY is low. During Read or Write operation if the ADRY is low, the CPU has to keep the RDN/WRN low until
the ARDY returns to high.
Addr, AEN, BExN
t10
t11
t1
t2
t3
t4
t5
t6
t7
t8
t9
(Read Cycle)
( Write Cycle)
RDN, WRN
Write Data
Read Data
Parameter
A1-A15, AEN, BExN[3:0] valid to RDN, WRN active
Read data valid to ARDY rising
Read data hold to RDN inactive
Write data setup to WRN inactive
Write data hold after WRN inactive
A1-A15, AEN, nBE[3:0] setup to ADSN rising
Read active to ARDY Low
A1-A15, AEN, BExN[3:0] hold after ADSN rising
Write inactive to ARDY Low
ARDY low (wait time) in read cycle (Note1)
(It is 0ns to read bank select register)
(It is 110ns to read QMU data register)
ARDY low (wait time) in write cycle (Note1)
(It is 0ns to write bank select register)
(It is 85ns to write QMU data register)
ADSN
ARDY
ARDY
Table 25. Asynchronous Cycle using ADSN Timing Parameters
Figure 17. Asynchronous Cycle – Using ADSN
t1
t6
valid
t7
111
t10
t8
t4
valid
t2
Min
valid
2
4
4
2
4
2
0
0
t3
t5
Typ
t9
110
85
t11
Max
0.8
8
8
KSZ8842-16/32 MQL/MVL
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Rev. 1.4