KSZ8721BL Micrel Inc, KSZ8721BL Datasheet - Page 23
![IC TXRX PHY 10/100 3.3V 48-LQFP](/photos/6/81/68171/576-48-lqfp_sml.jpg)
KSZ8721BL
Manufacturer Part Number
KSZ8721BL
Description
IC TXRX PHY 10/100 3.3V 48-LQFP
Manufacturer
Micrel Inc
Type
Transceiverr
Specifications of KSZ8721BL
Number Of Drivers/receivers
1/1
Protocol
MII, RMII
Voltage - Supply
3 V ~ 3.6 V
Mounting Type
Surface Mount
Package / Case
48-LQFP
Data Rate
100Mbps
No. Of Ports
1
Ethernet Type
IEEE 802.3u
Supply Current
151mA
Supply Voltage Range
3.3V
Operating Temperature Range
0°C To +70°C
Digital Ic Case Style
LQFP
No. Of Pins
48
Interface Type
MII, RMII
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
576-1627 - BOARD EVALUATION FOR KSZ8721BMC576-1626 - BOARD EVALUATION FOR KSZ8721BL
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
576-1028-5
576-1511-5
576-1511-5
KSZ8721BL
576-1511-5
576-1511-5
KSZ8721BL
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
KSZ8721BL
Manufacturer:
MICREL
Quantity:
127
Part Number:
KSZ8721BL
Manufacturer:
MIC
Quantity:
20 000
Company:
Part Number:
KSZ8721BL TR
Manufacturer:
Renesas
Quantity:
33
Part Number:
KSZ8721BL TR
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
Company:
Part Number:
KSZ8721BL-TR
Manufacturer:
MICREL
Quantity:
814
Part Number:
KSZ8721BL-TR
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
Company:
Part Number:
KSZ8721BLA4
Manufacturer:
PANASONIC
Quantity:
2 900
Part Number:
KSZ8721BLA4
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
Part Number:
KSZ8721BLI
Manufacturer:
QFP48
Quantity:
20 000
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