Micrel, Inc.
KSZ8041TL/FTL
April 2007
43
M9999-042707-1.1
Absolute Maximum Ratings
(1)
Supply Voltage
(VDD_1.8, VDDA_1.8, V1.8_OUT) ........................ -0.5V to +2.4V
(VDDIO_3.3, VDDA_3.3) ................................... -0.5V to +4.0V
Input Voltage (all inputs) ............................... -0.5V to +4.0V
Output Voltage (all outputs) .......................... -0.5V to +4.0V
Lead Temperature (soldering, 10sec.) ....................... 260°C
Storage Temperature (Ts) ..........................-55°C to +150°C
Operating Ratings
(2)
Supply Voltage
(VDDIO_3.3, VDDA_3.3) .......................... +3.135V to +3.465V
Ambient Temperature (TA) .............................. 0°C to +70°C
Maximum Junction Temperature (TJ Max) ................. 125°C
Thermal Resistance (
θ
JA) .................................... 69.64°C/W
Electrical Characteristics
(3)
Symbol
Parameter
Condition
Min
Typ
Max
Units
Supply Current
(4)
IDD1
100Base-TX
Chip only (no transformer);
Full-duplex traffic @ 100% utilization
53
mA
IDD2
10Base-T
Chip only (no transformer);
Full-duplex traffic @ 100% utilization
38
mA
IDD3
Power Saving Mode
Ethernet cable disconnected (reg. 1F.10 = 1)
32
mA
IDD4
Power Down Mode
Software power down (reg. 0.11 = 1)
4
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 = -4mA
2.4
V
VOL
Output Low Voltage
IOL = 4mA
0.4
V
|Ioz|
Output Tri-State Leakage
10
A
100Base-TX Transmit (measured differentially after 1:1 transformer)
VO
Peak Differential Output Voltage
100
termination across differential output
0.95
1.05
V
VIMB
Output Voltage Imbalance
100
termination across differential output
2
%
tr, tf
Rise/Fall Time
3
5
ns
Rise/Fall Time Imbalance
0
0.5
ns
Duty Cycle Distortion
± 0.25
ns
Overshoot
5
%
VSET
Reference Voltage of ISET
0.65
V
Output Jitter
Peak-to-peak
0.7
1.4
ns
10Base-T Transmit (measured differentially after 1:1 transformer)
VP
Peak Differential Output Voltage
100
termination across differential output
2.2
2.8
V
Jitter Added
Peak-to-peak
3.5
ns
tr, tf
Rise/Fall Time
25
ns
10Base-T Receive
VSQ
Squelch Threshold
5MHz square wave
400
mV