KS8721B TR Micrel Inc, KS8721B TR Datasheet - Page 22

• Manufacturer Part Number: KS8721B TR
• Description: IC TXRX PHY 10/100 2.5V 48SSOP
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KS8721B TR

• Number Of Drivers/receivers: 1/1
• Protocol: MII, RMII
• Voltage - Supply: 2.375 V ~ 2.625 V
• Mounting Type: Surface Mount
• Package / Case: 48-SSOP
• For Use With: 576-1006 - BOARD EVAL EXPERIMENT KS8721B
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: KS8721BTR

Absolute Maximum Ratings
Supply Voltage
Input Voltage ................................................–0.5V to +4.0V
Output Voltage ..............................................–0.5V to +4.0V
Lead Temperature (soldering, 10 sec.) ...................... 270°C
Storage Temperature (T
Electrical Characteristics
V
Symbol
Symbol
Symbol
Symbol
Symbol
Symbol
Symbol
Total Supply Current (including TX output driver current)
I
I
I
I
TTL Inputs
V
V
I
TTL Outputs
V
V
|I
100BaseTX Receive
R
100BaseTX Transmit (measured differentially after 1:1 transformer)
V
V
t
100BaseTX Transmit (measured differentially after 1:1 transformer)
V
ns
Note 1.
Note 2.
Note 3.
Note 4.
M9999-030106
DD1
DD2
DD3
DD5
IN
r
OZ
, t
DD
IH
IL
OH
OL
O
IMB
SET
IN
(pk-pk
(V
V
(V
(V
t
|
DD_RX
DD_RX
DD_RX
DD_RX
DD_RX
= 2.5V ±5%; T
= 2.5V ±5%; T
= 2.5V ±5%; T = 0°C to +70°C; unless noted;
DDC
DDIO
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating. Unused inputs must always be tied to an appropriate logic voltage level
(Ground to V
No HS (heat spreader) in package.
Specifi cation for packaged product only.
, V
)
)
) ....................................................–0.5V to +3.0V
......................................................–0.5V to +4.0V
DD_PLL
Parameter
Parameter
Parameter
Parameter
Parameter
Parameter
Parameter
Normal 100BaseTX
Normal 100BaseTX
Normal 100BaseTX
Normal 100BaseTX
Normal 100BaseTX
Normal 100BaseTX
Normal 100BaseTX
Normal 10BaseT (50% utilization)
Normal 10BaseT (50% utilization)
Normal 10BaseT (50% utilization)
Normal 10BaseT (50% utilization)
Normal 10BaseT (50% utilization)
Normal 10BaseT (50% utilization)
Power Saving Mode 100BaseTX
Power Saving Mode 100BaseTX
Power Saving Mode 100BaseTX
Power Saving Mode 100BaseTX
Power Saving Mode 100BaseTX
Power Saving Mode 100BaseTX
Power Down Mode
Power Down Mode
Power Down Mode
Power Down Mode
Power Down Mode
Power Down Mode
Input High Voltage
Input High Voltage
Input High Voltage
Input High Voltage
Input Low Voltage
Input Low Voltage
Input Low Voltage
Input Low Voltage
Input Low Voltage
Input Low Voltage
Input Current
Input Current
Output High Voltage
Output High Voltage
Output High Voltage
Output Low Voltage
Output Low Voltage
Output Tr-State Leakage
Output Tr-State Leakage
Output Tr-State Leakage
Output Tr-State Leakage
Output Tr-State Leakage
Output Tr-State Leakage
RX+/RX– Differential Input
RX+/RX– Differential Input
RX+/RX– Differential Input
RX+/RX– Differential Input
RX+/RX– Differential Input
RX+/RX– Differential Input
Resistance
Resistance
Propagation Delay
Propagation Delay
Propagation Delay
Propagation Delay
Propagation Delay
Propagation Delay
Peak Differential Output Voltage
Peak Differential Output Voltage
Peak Differential Output Voltage
Output Voltage Imbalance
Output Voltage Imbalance
Rise/Fall Time
Rise/Fall Time
Rise/Fall Time
Rise/Fall Time
Rise/Fall Time
Rise/Fall Time
Rise/Fall Time Imbalance
Rise/Fall Time Imbalance
Rise/Fall Time Imbalance
Rise/Fall Time Imbalance
Rise/Fall Time Imbalance
Rise/Fall Time Imbalance
Rise/Fall Time Imbalance
Duty Cycle Distortion
Duty Cycle Distortion
Duty Cycle Distortion
Duty Cycle Distortion
Duty Cycle Distortion
Duty Cycle Distortion
Duty Cycle Distortion
Overshoot
Overshoot
Overshoot
Overshoot
Overshoot
Overshoot
Reference Voltage of ISET
Reference Voltage of ISET
Reference Voltage of ISET
Reference Voltage of ISET
Reference Voltage of ISET
Reference Voltage of ISET
Propagation Delay
Propagation Delay
Propagation Delay
Propagation Delay
Propagation Delay
Propagation Delay
Propagation Delay
Jitters
Jitters
Jitters
Jitters
Jitters
Jitters
A
A
A
A
, V
DD
= 0°C to +70°C; unless noted;
).
DD_TX
S
) ........................ –55°C to +150°C
, V
DD_RCV
(Note 4)
,
(Note 1)
bold values indicate –40°C ≤ T
Condition
Condition
Condition
Condition
Condition
Condition
Condition
V
V
I
I
I
I
I
from magnetics to RDTX
from magnetics to RDTX
from magnetics to RDTX
from magnetics to RDTX
from magnetics to RDTX
from magnetics to RDTX
50Ω from each output to V
50Ω from each output to V
50Ω from each output to V
50Ω from each output to V
50Ω from each output to V
from TDTX to magentics
from TDTX to magentics
from TDTX to magentics
from TDTX to magentics
from TDTX to magentics
from TDTX to magentics
from TDTX to magentics
OH
OL
IN
values indicate –40°C ≤ T
values indicate –40°C ≤ T ≤ +85°C; unless noted.
= 4mA
= 4mA
= 4mA
= 4mA
= 4mA
= GND ~ V
= –4mA
= –4mA
22
DD
Operating Ratings
Supply Voltage
Ambient Temperature (T
Ambient Temperature (T
Ambient Temperature (T ) ............................ –0°C to +70°C
Package Thermal Resistance (Note 3)
(V
V
(V
(V
TQFP (θ
SSOP (θ
DD_RX
DD_RX
DD_RX
DD_RX
DD_RX
DDC
DDIO
, V
)
)
DD
DD
) ........................................... +2.375V to +2.625V
................ +2.375V to +2.625V or +3.0V to +3.6V
A
A
A
A
JA
DD_PLL
JA
≤ +85°C; unless noted.
)
)
...................................................................
.................................................................
, V
DD_TX
A
A
(Note 2)
V
V
V
V
V
V
, V
DD
DD
–0.4
0.95
0.95
0.95
0.95
0.95
Min
Min
Min
Min
Min
Min
Min
–0.8
–0.8
–0.8
–10
–10
–10
–10
–10
DD_RCV
3
3
3
3
3
3
0
0
0
0
0
0
0
(I/O)
(I/O)
,
0.75
0.75
0.75
0.75
0.75
0.75
Typ
Typ
Typ
Typ
Typ
Typ
Typ
107
107
107
107
107
107
107
144
144
144
144
144
144
0.7
0.7
0.7
0.7
0.7
0.7
47
47
47
47
47
47
50
50
50
50
50
50
45
45
45
45
45
45
45
4
4
4
4
4
4
8
8
8
8
8
8
Max
Max
Max
Max
Max
Max
Max
1.05
1.05
1.05
1.05
1.05
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
±0.5
110
110
110
110
110
110
0.8
0.8
0.8
0.8
0.8
0.8
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.5
0.5
0.5
0.5
1.4
1.4
1.4
1.4
1.4
1.4
10
10
10
10
10
10
10
10
10
10
10
60
60
60
60
60
60
60
2
2
2
2
2
5
5
5
5
5
5
5
5
5
5
5
5
March 2006
69.64°C/W
42.91°C/W
Units
Units
Units
Units
Units
Units
Units
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%
%
%
%
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V