KS8721BL Micrel Inc, KS8721BL Datasheet - Page 30
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KS8721BL
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
KS8721BL
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
KS8721BL/SL
Symbol
t
M9999-051704
Reference Circuit for Strapping Option Configuration
Figure 10 shows the reference circuit for strapping option pins.
sr
Parameter
Stable Supply Voltages to Reset High
Strap-In
Voltage
RST_N
Supply
Value
Figure 10. Reference Circuit, Strapping Option Pins
Reference circuits for unmanaged programming through LED ports.
KS8721BL/SL
KS8721BL/SL
Pull-down
Table 8. Reset Timing Parameters
Pull-Up
Figure 9. Reset Timing
tsr
LED pin
LED pin
10k
30
2.5V
2.5V
220
220
1k
Min
50
Typ
Max
May 2004
Micrel
Units
s