KSZ8851-16MQL Micrel Inc, KSZ8851-16MQL Datasheet - Page 86
KSZ8851-16MQL
Manufacturer Part Number
KSZ8851-16MQL
Description
Single Ethernet Port + Generic (16-bit) Bus Interface( )
Manufacturer
Micrel Inc
Specifications of KSZ8851-16MQL
Controller Type
Ethernet Controller, MAC/PHY
Interface
Bus
Voltage - Supply
1.8V, 2.5V, 3.3V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
128-MQFP, 128-PQFP
Operating Supply Voltage (typ)
3.3V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
128
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
576-3292 - BOARD EVALUATION KSZ8851-16MLL
Current - Supply
-
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
576-3253
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
KSZ8851-16MQLI
Manufacturer:
MICREL
Quantity:
1 001
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 21 gives recommended transformer characteristics.
Selection of Reference Crystal
August 2009
Micrel, Inc.
Parameter
Turns ratio
Open-circuit inductance (min)
Leakage inductance (max)
Inter-winding capacitance (max)
D.C. resistance (max)
Insertion loss (max)
HIPOT (min)
Chacteristics
Frequency
Frequency tolerance (max)
Load capacitance (max)
Series resistance
Magnetic Manufacturer
Pulse
Pulse (low cost)
Transpower
Bel Fuse
Delta
LanKom
TDK (Mag Jack)
Table 23. Typical Reference Crystal Characteristics
Table 22. Qualified Single Port Magnetics
Table 21. Transformer Selection Criteria
Part Number
H1102
H1260
HB726
S558-5999-U7
LF8505
LF-H41S
TLA-6T718
Value
1 CT : 1 CT
350 μ H
0.4 μ H
12pF
0.9 Ω
1.0dB
1500Vrms
86
Value
25
20
40
± 50
Auto MDI-X
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Test Condition
100mV, 100kHz, 8mA
1MHz (min)
0MHz – 65MHz
Units
MHz
ppm
pF
Ω
Number of Port
1
1
1
1
1
1
1
KSZ8851-16/32 MQL/MQLI
M9999-083109-2.0