KS8721BL Micrel Inc, KS8721BL Datasheet - Page 24

• Manufacturer Part Number: KS8721BL
• Description: Special Function IC
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KS8721BL

• Leaded Process Compatible: No
• Peak Reflow Compatible (260 C): No
• 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

KS8721BL/SL
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
M9999-051704
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
from TDTX to magentics
5MHz square wave
Condition
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
1.4
2.8
60
0.5
3.5
5
May 2004
Micrel
Units
ns
ns
ns
MHZ
MHZ
MHZ
MHZ
MHZ
kW
mV
ns
ns
ns
ns
%
V
V
(pp)
(pp)
(pp)