Micrel, Inc.
KSZ9021RL/RN
Absolute Maximum Ratings(1)
Operating Ratings(2)
Supply Voltage
Supply Voltage
(DVDDL, AVDDL, AVDDL_PLL)....... -0.5V to VDD+10%
(AVDDH).......................................... -0.5V to VDD +10%
(DVDDH)................................ -0.5V to VDD (3.3V)+10%
Input Voltage (all inputs) ........................ -0.5V to VDD +10%
Output Voltage (all outputs) ................... -0.5V to VDD +10%
Lead Temperature (soldering, 10sec.)....................... 260°C
Storage Temperature (Ts) ..........................-55°C to +150°C
(DVDDL, AVDDL, AVDDL_PLL).... +1.140V to +1.260V
(AVDDH)........................................ +3.135V to +3.465V
(DVDDH @ 3.3V) ..........................+3.135V to +3.465V
(DVDDH @ 2.5V) ..........................+2.375V to +2.625V
Ambient Temperature
(TA Commercial: KSZ9021RL/RN) ..........0°C to +70°C
(TA Industrial: KSZ9021RLI/RNI)..........-40°C to +85°C
Maximum Junction Temperature (TJ Max) ................. 125°C
Thermal Resistance (θJA)....................................31.85°C/W
Thermal Resistance (θJC)......................................8.07°C/W
Electrical Characteristics(3)
Symbol
Parameter
Condition
Min
Typ
Max
Units
Supply Current – Core / Digital I/Os
ICORE
1.2V total of:
1000Base-T Link-up (no traffic)
528
563
158
158
7
mA
mA
mA
mA
mA
mA
mA
mA
mA
DVDDL (1.2V digital core) +
AVDDL (1.2V analog core) +
AVDDL_PLL (1.2V for PLL)
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 unplugged)
Software Power Down Mode (register 0.11 =1)
7
15
1.3
1.3
Chip Power Down Mode
(strap-in pins MODE[3:0] = 0111)
IDVDDH_2.5
2.5V for digital I/Os
1000Base-T Link-up (no traffic)
13
37
4
mA
mA
mA
mA
mA
mA
mA
mA
mA
1000Base-T Full-duplex @ 100% utilization
100Base-TX Link-up (no traffic)
(RGMII operating @ 2.5V)
100Base-TX Full-duplex @ 100% utilization
10Base-T Link-up (no traffic)
9
2
10Base-T Full-duplex @ 100% utilization
Power Saving Mode (cable unplugged)
Software Power Down Mode (register 0.11 =1)
5
7
3
Chip Power Down Mode
1
(strap-in pins MODE[3:0] = 0111)
IDVDDH_3.3
3.3V for digital I/Os
1000Base-T Link-up (no traffic)
20
58
11
15
5
mA
mA
mA
mA
mA
mA
mA
mA
mA
1000Base-T Full-duplex @ 100% utilization
100Base-TX Link-up (no traffic)
(RGMII operating @ 3.3V)
100Base-TX Full-duplex @ 100% utilization
10Base-T Link-up (no traffic)
10Base-T Full-duplex @ 100% utilization
Power Saving Mode (cable unplugged)
Software Power Down Mode (register 0.11 =1)
11
9
7
Chip Power Down Mode
1
(strap-in pins MODE[3:0] = 0111)
M9999-101309-1.1
October 2009
46
MICREL [ MICREL SEMICONDUCTOR ]
