KSZ8993MLI Micrel Inc, KSZ8993MLI Datasheet - Page 14

• Manufacturer Part Number: KSZ8993MLI
• Description: 2+1 Port 10/100 Switch W/Tranceivers & Frame Buffers, 128-Ld PQFP( , I-Temp)
• Manufacturer: Micrel Inc

Specifications of KSZ8993MLI

• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 32
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Package Type: PQFP
• Data Rate (typ): 10/100Mbps
• Vlan Support: Yes
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Supply Voltage (max): 1.89/3.465V
• Operating Supply Voltage (min): 1.71/3.135V
• Power Dissipation: 800mW
• Operating Temperature Classification: Industrial
• Data Rate: 100Mbps
• Lead Free Status / RoHS Status: Supplier Unconfirmed
• Other names: 576-3350

Micrel, Inc.
October 2008
Note:
1. P = Power supply.
Pin Number
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
Gnd = Ground.
O = Output.
Ipd = Input w/ internal pull-down.
Ipd/O = Input w/ internal pull-down during reset, output pin otherwise.
Pin Name
LEDSEL0
SMTXEN
SMTXD3
SMTXD2
SMTXD1
SMTXD0
SMTXER
SMTXC
DGND
VDDIO
SMRXC
SMRXDV
SMRXD3
SMRXD2
SMRXD1
SMRXD0
SCOL
SCRS
Type
Ipd
Ipd
Ipd
Ipd
Ipd
Ipd
Ipd
Ipd/O
Gnd
P
Ipd/O
O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
Ipd/O
(1)
14
Description
LED display mode select
See description in pins 1 and 4.
Switch MII transmit enable
Switch MII transmit data bit 3
Switch MII transmit data bit 2
Switch MII transmit data bit 1
Switch MII transmit data bit 0
Switch MII transmit error
Switch MII transmit clock
Output in PHY MII mode
Input in MAC MII mode
Digital ground
3.3V digital V
Switch MII receive clock.
Output in PHY MII mode
Input in MAC MII mode
Switch MII receive data valid
Switch MII receive data bit 3
Strap option: switch MII full-duplex flow control
PD (default) = disable
PU = enable
Switch MII receive bit 2
Strap option: switch MII is in
PD (default) = full-duplex mode
PU = half-duplex mode
Switch MII receive bit 1
Strap option: Switch MII is in
PD (default) = 100Mbps mode
PU = 10Mbps mode
Switch MII receive bit 0
Strap option: switch will accept packet size up to
PD (default) = 1536 bytes (inclusive)
PU = 1522 bytes (tagged), 1518 bytes (untagged)
Switch MII collision detect
Switch MII carrier sense
DD
M9999-020606
KSZ8993M/ML