參數(shù)資料
型號(hào)： pentium III CPU
廠(chǎng)商： Intel Corp.
英文描述： Pentium III Processor for the SC242 at 450MHz to 1.0GHz(SC242工作頻率450MHZ到1GHZ奔III處理器)
中文描述： 奔騰III處理器在450MHz至1.0GHz的（SC242工作頻率至450MHz到1GHz的奔三處理器的SC242）
文件頁(yè)數(shù)： 46/102頁(yè)
文件大?。?/td> 920K
代理商： PENTIUM III CPU
46
Datasheet
Pentium
III Processor for the SC242 at 450 MHz to 1.0 GHz
NOTES:
1. Unless otherwise noted, all specifications in this table apply to all Pentium
III processor frequencies and
cache sizes.
2. Non-AGTL+ signals except PWRGOOD.
There are three signal quality parameters defined for both AGTL+ and non-AGTL+ signals:
overshoot/undershoot, ringback, and settling limit. All three signal quality parameters are shown in
Table 24
for the AGTL+ and non-AGTL+ signal group.
NOTES:
1. Unless otherwise noted, all specifications in this table apply to all Pentium
III processor frequencies and
cache sizes.
2. These values are specified at the processor core pins.
3. Specifications are for the edge rate of 0.3 - 0.8
V
/
. See
Figure 16
for the generic waveform.
4. Please see
Table 22
for maximum allowable overshoot.
5. Ringback between V
+ 100 mV and V
+ 200 mV or V
–200 mV and V
– 100 mV requires the
flight time measurements to be adjusted as described in the AGTL+ Specification (Pentium
II Developers
Manual). Ringback below V
+ 100mV or above V
– 100 mV is not supported.
6. Intel recommends simulations not exceed a ringback value of V
REF
± 200 mV to allow margin for other
sources of system noise.
7. A negative value for
ρ
ρ
indicates that the amplitude of ringback is above V
REF
. (i.e., f = -100 mV specifies the
signal cannot ringback below V
+ 100 mV).
8.
φ
φ
and
ρ
ρ
: are measured relative to V
REF
.
α
α
: is measured relative to V
REF
+ 200 mV.
Table 23. Signal Ringback Specifications for Signal Simulation
1
Input Signal Group
Transition
Maximum Ringback
(with Input Diodes Present)
Unit
Figure
AGTL+
0
→
1
V
REF
+ 0.200
V
16
AGTL+
1
→
0
V
REF
- 0.200
V
16
Non-AGTL+ Signals
2
0
→
1
1.7
V
16
Non-AGTL+ Signals
2
1
→
0
0.7
V
16
PWRGOOD
0
→
1
2.00
V
16
Table 24. AGTL+ and Non-AGTL+ Signal Groups Ringback Tolerance Specifications
1, 2, 3, 4
T# Parameter
Min
Unit
Figure
Notes
α
α
: Overshoot
100
mV
14
4, 8
τ
τ
: Minimum Time at High
0.50
ns
14
ρ
ρ
: Amplitude of Ringback
–200
mV
14
5, 6, 7, 8
φ
φ
: Final Settling Voltage
200
mV
14
8
δ
δ
: Duration of Squarewave Ringback
N/A
ns
14
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