Intel 200 MHz FV8050366200 User Manual
Product codes
FV8050366200
PENTIUM® PROCESSOR WITH MMX™ TECHNOLOGY
E
34
5/23/97 10:47 AM 24318502.DOC
INTEL CONFIDENTIAL
(until publication date)
3.4.
AC Specifications
The AC specifications consist of output delays, input
setup requirements and input hold requirements. All
AC specifications (with the exception of those for the
TAP signals and APIC signals) are relative to the
rising edge of the CLK input.
setup requirements and input hold requirements. All
AC specifications (with the exception of those for the
TAP signals and APIC signals) are relative to the
rising edge of the CLK input.
All timings are referenced to 1.5 volts for both "0" and
"1" logic levels unless otherwise specified. Within the
sampling window, a synchronous input must be
stable for correct Pentium processor with MMX
technology operation.
"1" logic levels unless otherwise specified. Within the
sampling window, a synchronous input must be
stable for correct Pentium processor with MMX
technology operation.
Each valid delay is specified for a 0 pF load. The
system designer should use I/O buffer modeling to
account for signal flight time delays.
system designer should use I/O buffer modeling to
account for signal flight time delays.
Each Pentium processor with MMX technology
specified to operate within a single bus-to-core ratio
and a specific minimum to maximum bus frequency
range (corresponding to a minimum to maximum
core frequency range). Operation in other bus-to-
core ratios or outside the specified operating
frequency range is not supported. For example, the
166 MHz Pentium processor with MMX technology
does not operate beyond the 66 MHz bus frequency
and only supports the 2/5 bus-to-core ratio; it does
not support the 1/3, 1/2, or 2/3 bus-to-core ratios.
Table
specified to operate within a single bus-to-core ratio
and a specific minimum to maximum bus frequency
range (corresponding to a minimum to maximum
core frequency range). Operation in other bus-to-
core ratios or outside the specified operating
frequency range is not supported. For example, the
166 MHz Pentium processor with MMX technology
does not operate beyond the 66 MHz bus frequency
and only supports the 2/5 bus-to-core ratio; it does
not support the 1/3, 1/2, or 2/3 bus-to-core ratios.
Table
3 clarifies and summarizes these
specifications.
Table 15. Pentium
®
Processor with MMX™ Technology AC Specifications for
66-MHz Bus Operation
(See Table 10 for V
CC
and T
CASE
specifications, C
L
= 0 pF.)
Symbol
Parameter
Min
Max
Unit
Figure
Notes
Frequency
33.33
66.6
MHz
4
t
1a
CLK Period
15.0
30.0
ns
4
t
1b
CLK Period Stability
±250
ps
Adjacent Clocks
(1, 25)
t
2
CLK High Time
4.0
ns
4
2V
(1)
t
3
CLK Low Time
4.0
ns
4
0.8V
(1)
t
4
CLK Fall Time
0.15
1.5
ns
4
(2.0V–0.8V)
(1, 5)
t
5
CLK Rise Time
0.15
1.5
ns
4
(0.8V–2.0V)
(1, 5)
t
6a
PWT, PCD, CACHE# Valid
Delay
Delay
1.0
7.0
ns
5
t
6b
AP Valid Delay
1.0
8.5
ns
5
t
6c
BE0-7#, LOCK# Valid Delay
0.9
7.0
ns
5
(4)
t
6d
ADS# Valid Delay
0.8
6.0
ns
5
t
6e
ADSC#, D/C#, W/R#, SCYC,
Valid Delay
Valid Delay
0.8
7.0
ns
5
t
6f
M/IO# Valid Delay
0.8
5.9
ns
5
t
6g
A3–A16 Valid Delay
0.5
6.6
ns
5
t
6h
A17–A31 Valid Delay
0.6
6.6
ns
5