Micrel, Inc.
KSZ8993M/ML
Revision History
Revision
1.00
1.01
1.02
Date
5/14/03
5/28/03
12/8/03
Summary of Changes
Created.
Added KS8993MI availability in Q4 2003.
Changed V
DDIO
, V
DDATX
and V
DDARX
supply voltages
from 3.3V to (3.3V or 2.5V).
Changed [PS1,PS0] = [1,1] setting from Reserved to SMI mode.
Changed Special Tagging Mode to Upstream Special Tagging Mode
(Switch port 3 to processor support only).
Updated recommended magnetic manufacturer list.
Added 25MHz crystal/oscillator clock’s ppm spec. in Pin Description.
2
Updated I C Slave Serial Bus Configuration section.
Updated KSZ8993MI availability to from Q1 2004.
Added KS8993ML to General Description (page 1) and to the Functional
Description.
Updated Part Ordering Information table.
Updated pin description for pin 22 to the following:
V
DDC
: For KS8993M, this is an input power pin for the 1.8V digital
core V
DD
.
V
OUT
_1V8: For KS8993ML, this is an 1.8V output power pin to
supply the KS8993ML’s input power pins: V
DDAP
(pin 63), V
DDC
(pins 91, 123), and V
DDA
(pins 38,
43, 57).
Updated pin description for P1LED3 (pin 25) to indicate that an external
1K pull-down is needed if a LED is connected.
Updated pin description for MDIO (pin 95) to indicate that an external
4.7K pull-up is needed if this pin is in used.
Changed the aging period from 300 +/–75 seconds to about 200 seconds.
Updated Electrical Characteristics (V
IH
, V
IL
, V
OH
, V
OL
).
Transferred to new format.
Removed references to 2.5V operation
Added reset circuit recommendation
Updated to add Pb-Free spwcifications
Add the P/N KSZ8993I into the Ordering information table
Add the P/N KSZ8993MLI into the Ordering information table
Modify the current consumption table from board to device.
1.03
9/22/04
1.04
1.05
1.06
1.06a
4/12/05
2/14/05
2/13/07
10/28/08
October 2008
5
M9999-020606
MICREL [ MICREL SEMICONDUCTOR ]
