KSZ8721CL Micrel Inc, KSZ8721CL Datasheet - Page 24

• Manufacturer Part Number: KSZ8721CL
• Description: IC TXRX PHY 10/100 3.3V 48-LQFP
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KSZ8721CL

• Number Of Drivers/receivers: 1/1
• Protocol: MII
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-1673; KSZ8721CL

KS8721CL
Symbol
100BASE-TX Transmit (measured differentially after 1:1 transformer)
V
10BASE-TX Receive
R
V
10BASE-TX Transmit (measured differentially after 1:1 transformer)
V
t
Clock Outputs
X1, X2
RXC
RXC
TXC
TXC
M9999-041405
r
, t
SET
SQ
P
IN
t
100
10
100
10
Parameter
Duty Cycle Distortion
Overshoot
Reference Voltage of ISET
Propagation Delay
Jitters
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
Condition
from TDTX to magentics
5MHz square wave
50W from each output to V
50W from each output to V
24
DD
DD
Min
2.2
0.75
Typ
400
0.7
2.5
3.0
2.5
1.8
45
25
25
25
25
8
Max
±0.5
±3.5
1.4
2.8
60
5
Micrel, Inc.
April 2005
Units
ns
ns
ns
MHZ
MHZ
MHZ
MHZ
MHZ
mV
kW
ns
ns
ns
ns
%
V
V
(pp)
(pp)
(pp)