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Micrel, Inc.
KSZ8842-PMQL/PMBL
October 2007
109
M9999-100207-1.5
Absolute Maximum Ratings
(1)
Supply Voltage
(VDDATX, VDDARX, VDDIO) ........................... 鈥�0.5V to +4.0V
Input Voltage (all inputs). ............................. 鈥�0.5V to +5.0V
Output Voltage (all outputs) ......................... 鈥�0.5V to +4.0V
Lead Temperature (soldering, 10sec.) ....................... 270掳C
Storage Temperature (Ts) .........................鈥�55掳C to +150掳C
Operating Ratings
(2)
Supply Voltage
(VDDATX, VDDARX, VDDIO)...................... +3.1V to +3.5V
Ambient Temp. of MQL/MBL(TA)............ 0掳C to +70掳C
Ambient Temp. of MQLI/MBL AM(TA) . -40掳C to +85掳C
Junction Temperature (TJ)................................. 125掳C
Package Thermal Resistance
(3)
PQFP (
胃
JA) No Air Flow........................ 42.91掳C/W
PQFP (
胃
JC) No Air Flow .......................... 19.6掳C/W
LFBGA (
胃
JA) No Air Flow...................... 38.50掳C/W
LFBGA (
胃
JC) No Air Flow ...................... 12.50掳C/W
Electrical Characteristics
(4)
Symbol
Parameter
Condition
Min
Typ
Max
Units
Supply Current
100BASE-TX Operation (All Ports @ 100% Utilization)
IDDXIO
100BASE-TX
(Analog Core + PLL + Digital Core
+ Transceiver + Digital I/O)
VDDATX, VDDARX, VDDIO = 3.3V
122
mA
10BASE-T Operation (All Ports @ 100% Utilization)
IDDXIO
100BASE-T
(Analog Core + PLL + Digital Core
+ Transceiver + Digital I/O)
VDDATX, VDDARX, VDDIO = 3.3V
90
mA
TTL Inputs
VIH
Input High Voltage
2.0
V
VIL
Input Low Voltage
0.8
V
IIN
Input Current
VIN = GND ~ VDDIO
鈥�10
10
A
TTL Outputs
VOH
Output High Voltage
IOH = 鈥�8mA
2.4
V
VOL
Output Low Voltage
IOL = 8mA
0.4
V
IOZ
Output Tri-state Leakage
10
A
100Base-TX Transmit (measured differentially after 1:1 transformer) VDDATX = 3.3V only
VO
Peak Differential Output Voltage
100
termination on the differential output.
0.95
1.05
V
VIMB
Output Voltage Imbalance
100
termination on the differential output.
2
%
Rise/Fall Time
3
5
ns
Rise/Fall Time Imbalance
0
0.5
ns
Duty Cycle Distortion
卤0.5
ns
tr, tf
Overshoot
5
%
Reference Voltage of ISET
0.5
V
VSET
Output Jitter
Peak to peak
0.7
1.4
ns
10Base-T Receive
VSQ
Squelch Threshold
5MHz square wave
400
mV
10Base-T Transmit (measured differentially after 1:1 transformer) VDDATX = 3.3V only
Peak Differential Output Voltage
100
termination on the differential output.
2.4
V
VP
Jitter Added
100
termination on the differential output.
1.8
卤3.5
ns
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