KS8721BLI Micrel Inc, KS8721BLI Datasheet - Page 23

• Manufacturer Part Number: KS8721BLI
• Description: IC TXRX PHY 10/100 3.3V 48LQFP
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KS8721BLI

• Number Of Drivers/receivers: 1/1
• Protocol: MII, RMII
• Voltage - Supply: 2.375 V ~ 2.625 V
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 576-1007 - BOARD EVAL EXPERIMENT KS8721BL
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant

Absolute Maximum Ratings
Storage Temperature (T
Supply Referenced to GND ........................ –0.5V to +4.0V
All Pins ........................................................ –0.5V to +4.0V
Important: Please read the Notes at the bottom of the
page.
Electrical Characteristics
Symbol
Total Supply Current (including TX output driver current)
TTL Inputs
TTL Outputs
100BASE-TX Receive
100BASE-TX Transmit (measured differentially after 1:1 transformer)
Notes:
1. Exceeding the absolute maximum rating(s) may cause permanent damage to the device. Operating at maximum conditions for extended periods may
2. The device is not guaranteed to function outside its operating rating. Unused inputs must always be tied to an appropriate logic voltage level (Ground
3. No HS (heat spreader) in package.
4. Specification for packaged product only.
5. There is 100% data transmission in full-duplex mode and a minimum IPG with a 130-meter cable.
May 2004
KS8721BL/SL
|I
V
I
I
I
I
V
V
I
V
V
R
V
V
t
DD1
DD2
DD3
DD5
IN
r
OZ
, t
DD
IH
IL
OH
OL
O
IMB
IN
affect device reliability.
to V
t
|
= 3.3V 10%
DD
).
Parameter
Normal 100BASE-TX
Normal 10BASE-T (independent of
utilization)
Power Saving Mode 1
Power Down Mode
Input High Voltage
Input Low Voltage
Input Current
Output High Voltage
Output Low Voltage
Output Tri-State Leakage
RX+/RX– Differential Input
Resistance
Propagation Delay
Peak Differential Output Voltage
Output Voltage Imbalance
Rise/Fall Time
Rise/Fall Time Imbalance
S
) ....................... –55 C to +150 C
(4)
(1)
Including 40mA output current
Including 90mA output current
Auto-negotiation is Enable
V
I
I
from magnetics to RDTX
50 from each output to V
50
Test Condition
OH
OL
IN
= 4mA
= GND ~ V
= –4mA
from each output to V
(5)
23
DD
Operating Ratings
Supply Voltage
Ambient Temperature (T
Package Thermal Resistance
(V
(V
Commercial ................................................ 0 C to +70 C
Industrial ................................................. –40 C to +85 C
LQFP
SSOP
DD_PLL
DDIO
No Airflow ................................................... 83.56 C/W
No Airflow ................................................... 75.19 C/W
) ................................................................... +3.3V
DD
DD
JA
JA
, V
)
)
DD_TX
, V
DD_RXC
A
(2)
)
1/2V
1/2V
+0.6
0.95
Min
+0.2
–10
(3)
DD
DD
0
3
, V
(I/O)
(I/O)
DD_RCV,
Typ
103
146
43
50
4
8
V
DDC
M9999-051704
Max
1.05
110
0.8
0.4
0.5
10
10
) ........ +2.5V
2
5
Micrel
Units
mA
mA
mA
mA
k
ns
ns
ns
%
V
V
V
V
V
A
A