Micrel, Inc.
KSZ8841-PMQL
October 2007
65
M9999-100407-1.5
Absolute Maximum Ratings
(1)
Supply Voltage
(VDDATX, VDDARX, VDDIO) ........................... –0.5V to +4.0V
Input Voltage (all inputs). ............................. –0.5V to +5.0V
Output Voltage (all outputs) ......................... –0.5V to +4.0V
Lead Temperature (soldering, 10sec.) ....................... 270°C
Storage Temperature (Ts) .........................–55°C to +150°C
Operating Ratings
(2)
Supply Voltage
(VDDATX, VDDARX, VDDIO)...................... +3.1V to +3.5V
Ambient Temperature (TA) ....................... 0°C to +70°C
Junction Temperature (TJ) .................................. 125°C
Package Thermal Resistance
(3)
PQFP (θJA) No Air Flow........................ 42.91°C/W
PQFP (θJC) No Air Flow.......................... 19.6°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 + Digital Core +
Transceiver + Digital I/O)
VDDATX, VDDARX, VDDIO = 3.3V
100
mA
10BASE-TX Operation (All Ports @ 100% Utilization)
IDDXIO
100BASE-TX
(Analog Core + Digital Core +
Transceiver + Digital I/O)
VDDATX, VDDARX, VDDIO = 3.3V
85
mA
TTL Inputs
VIH
Input High Voltage
2.0
V
VIL
Input Low Voltage
0.8
V
IIN
Input Current
VIN = GND ~ VDDIO
–10
10
A
TTL Outputs
VOH
Output High Voltage
IOH = –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
±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
±3.5
ns