KSZ9021GN TR Micrel Inc, KSZ9021GN TR Datasheet - Page 42

• Manufacturer Part Number: KSZ9021GN TR
• Description: Specifications: Number of Drivers/Receivers: 8/8 ; Type: Transceiver ; Voltage - Supply: 3.135 V ~ 3.465 V ; Package / Case: 64-VFQFN Exposed Pad ; Packaging: Tape & Reel (TR) ; Protocol: Gigabit Ethernet ; Lead Free Status: Lead Free ; RoHS Stat
• Manufacturer: Micrel Inc

Micrel, Inc.
September 2010
Symbol
Supply Current – Transceiver (equivalent to current draw through external transformer center taps for PHY transceivers with
current-mode transmit drivers)
I
CMOS Inputs
V
V
I
CMOS Outputs
V
V
|I
LED Outputs
I
100Base-TX Transmit (measured differentially after 1:1 transformer)
V
V
t
V
10Base-T Transmit (measured differentially after 1:1 transformer)
V
10Base-T Receive
V
AVDDH
IN
LED
r
oz
, t
IH
IL
OH
OL
O
IMB
SET
P
SQ
|
f
Parameter
3.3V for transceiver
Input High Voltage
Input Low Voltage
Input Current
Output High Voltage
Output Low Voltage
Output Tri-State Leakage
Output Drive Current
Peak Differential Output Voltage
Output Voltage Imbalance
Rise/Fall Time
Rise/Fall Time Imbalance
Duty Cycle Distortion
Overshoot
Reference Voltage of I
Output Jitter
Peak Differential Output Voltage
Jitter Added
Harmonic Rejection
Squelch Threshold
SET
Condition
1000Base-T Link-up (no traffic)
1000Base-T Full-duplex @ 100% utilization
100Base-TX Link-up (no traffic)
100Base-TX Full-duplex @ 100% utilization
10Base-T Link-up (no traffic)
10Base-T Full-duplex @ 100% utilization
Power-saving Mode (cable un-plugged)
Software Power Down Mode (register 0.11 =1)
Chip Power Down Mode
(strap-in pins MODE[3:0] = 0111)
DVDDH = 3.3V
DVDDH = 2.5V
DVDDH = 3.3V
DVDDH = 2.5V
V
DVDDH = 3.3V
DVDDH = 2.5V
DVDDH = 3.3V
DVDDH = 2.5V
Each LED pin (LED1, LED2)
100Ω termination across differential output
100Ω termination across differential output
R(I
Peak-to-peak
100Ω termination across differential output
Peak-to-peak
Transmit all-one signal sequence
5MHz square wave
IN
SET
= GND ~ V
) = 4.99K
DDIO
42
0.95
Min
300
2.0
1.8
2.4
2.0
2.2
3
0
0.535
Typ
400
-10
0.7
-31
73
28
74
28
35
43
35
2
1
8
M9999-091010-1.1
± 0.25
Max
1.05
0.8
0.7
0.4
0.4
0.5
1.4
2.8
3.5
10
10
KSZ9021GN
2
5
5
Units
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mV
µA
µA
dB
ns
ns
ns
ns
ns
%
%
V
V
V
V
V
V
V
V
V
V
V