KSZ8721BL Micrel Inc, KSZ8721BL Datasheet - Page 25

• 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

Micrel, Inc.
Notes:
1. Exceeding the absolute maximum rating may damage the device. Operating at maximum conditions for extended periods may affect device reliability.
2. The device is not guaranteed to function outside its operating rating. Unused inputs must always be tied to an appropriate logic voltage level
3. No (HS) heat spreader in this 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.
June 2009
10Base-TX Receive
R
V
10Base-TX Transmit (measured differentially after 1:1 transformer)
V
t
Clock Outputs
X1, X2
RXC
RXC
TXC
TXC
r
, t
(Ground to V
SQ
P
IN
f
100
10
100
10
RX+/RX– Differential Input
Resistance
Squelch Threshold
Peak Differential Output Voltage
Jitters Added
Rise/Fall Time
Crystal Oscillator
Receive Clock, 100TX
Receive Clock, 10T
Receive Clock Jitters
Transmit Clock, 100TX
Transmit Clock, 10T
Transmit Clock Jitters
DD
)
5MHz square wave
50W from each output to V
50W from each output to V
25
DD
DD
2.2
400
2.5
3.0
2.5
1.8
25
25
25
25
8
±3.5
M9999-062509-1.3
2.8
KS8721BL/SL
ns
ns
MHz
MHz
MHz
MHz
MHz
kW
mV
ns
ns
V
(pp)
(pp)