KSZ8893FQL-FX Micrel Inc, KSZ8893FQL-FX Datasheet - Page 115

• Manufacturer Part Number: KSZ8893FQL-FX
• Description: 2+1 Port 10/100 Switch W/Tranceivers & Frame Buffers, ( )
• Manufacturer: Micrel Inc

Specifications of KSZ8893FQL-FX

• Controller Type: Ethernet Switch Controller
• Interface: MII, RMII, SNI
• Voltage - Supply: 3.1 V ~ 3.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Number Of Primary Switch Ports: 3
• Internal Memory Buffer Size: 32
• Operating Supply Voltage (typ): 3.3V
• Fiber Support: Yes
• Integrated Led Drivers: Yes
• Power Supply Type: Analog/Digital
• Package Type: PQFP
• Vlan Support: Yes
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 128
• Mounting: Surface Mount
• Jtag Support: No
• Operating Temperature Classification: Commercial
• Data Rate: 1000Mbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-1603 - EVAL KIT EXPERIMENTAL KSZ8893MQL
• Current - Supply: -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-3273

Micrel, Inc.
Selection of Isolation Transformers
A 1:1 isolation transformer is required at the line interface. An isolation transformer with integrated common-mode choke
is recommended for exceeding FCC requirements.
Table 36 gives recommended transformer characteristics.
Selection of Reference Crystal
October 2007
Magnetic Manufacturer
Bel Fuse
Bel Fuse (MagJack)
Bel Fuse (MagJack)
Delta
LanKom
Pulse
Pulse (low cost)
Transpower
YCL
TDK (Mag Jack)
Parameter
Turns ratio
Open-circuit inductance (min)
Leakage inductance (max)
Inter-winding capacitance (max)
D.C. resistance (max)
Insertion loss (max)
HIPOT (min)
Characteristics
Frequency
Frequency tolerance (max)
Load capacitance (max)
Series resistance
Table 38. Typical Reference Crystal Characteristics
Table 37. Qualified Single Port Magnetics
Table 36. Transformer Selection Criteria
Part Number
S558-5999-U7
SI-46001
SI-50170
LF8505
LF-H41S
H1102
H1260
HB726
LF-H41S
TLA-6T718
115
1 CT : 1 CT
1500Vrms
350µH
Value
0.4µH
1.0dB
Value
12pF
0.9Ω
±50
25
20
25
Auto MDI-X
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
100mV, 100kHz, 8mA
Test Condition
0MHz – 65MHz
1MHz (min)
Number of Port
Units
MHz
ppm
pF
Ω
1
1
1
1
1
1
1
1
1
1
M9999-101607-1.3
KSZ8893FQL