INTEL
®
CELERON® PROCESSOR SPECIFICATION UPDATE
99
SPECIFICATION CHANGES
The Specification Changes listed in this section apply to the following documents:
•
Pentium
®
II
Processor Developer’s Manual
•
P6 Family of Processors Hardware Developer's Manual
•
Intel
®
Celeron
®
Processor Datasheet
•
Intel® 64 and IA-32 Architectures Software Developer’s Manual, Volumes 1, 2A, 2B, 3A and 3B.
All Specification Changes will be incorporated into a future version of the appropriate Celeron processor
documentation.
C1.
RESET# Pin Definition
The
P6 Family of Processors Hardware Developer’s Manual,
the
Pentium
®
II
Processor Developer’s Manual,
and the
Intel
®
Celeron
®
Processor Datasheet
have incorrect definitions of the RESET# pin in their
alphabetical signal listings. These documents incorrectly state:
RESET# must remain active for one microsecond for a ‘warm’ Reset; for a Power-on Reset, RESET#
must stay active for at least one millisecond after V
CCCORE
and CLK have reached their proper
specifications.
They should state:
For a Power-on or “warm” reset, RESET# must stay active for at least one millisecond after V
CCCORE
and CLK have reached their proper specifications.
C2.
Tco max revision for 533A, 566 & 600 MHz
The Tco_max specification for the Coppermine-128K processors
533A,
566 & 600 MHz
is being
revised from 3.25ns to 4.05ns. This specification change only effects the Coppermine-128K
operating at 1.5V. The Coppermine-128K operating at 1.65V will continue with the Tco_max
specification of 3.25ns. The next revisions of the
Intel
®
Celeron
®
Specification Update
and datasheet
will be updated to reflect this change. Intel has verified that flexible motherboard designs which follow
Intel’s recommended layout guidelines will not be impacted by these new specifications. For
customers who have designs aimed to support
ONLY
the Coppermine-128K processors 533A, 566 &
600 MHz, Intel recommends to verify that the new 4.05ns Tco_max spec remains within the particular
design's guidelines.