Intel Pentium III 667/256/133/1.65V SL45X (PGA370)

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General information
Type    CPU / Microprocessor
Market segment    Desktop
Family    Intel Pentium III
CPU part number    RB80526PZ667256 (QM50, QP13, QS20, SL3T2, SL3VK, SL3XW, SL4CJ)
Box part numbers    BX80526F667256 (SL3T2, SL3XW, SL45X)
BX80526F667256E (SL3T2, SL3VK)
Frequency (MHz)       667
Bus speed (MHz)       133
Clock multiplier       5
Package    370-pin Flip-Chip Pin Grid Array (FC-PGA)
1.95″ x 1.95″ (4.95 cm x 4.95 cm)
Socket    Socket 370
Introduction date    Oct 25, 1999
Price at introduction    $605

Architecture / Microarchitecture
Processor core       Coppermine
Core steppings       cA2 (SL3T2, SL3VK)
cB0 (QP13, QS20, SL3XW, SL45X)
cC0 (SL4CJ)
Manufacturing process    0.18 micron
28 million transistors
Data width    32 (64-bit data bus) bit
Floating Point Unit    Integrated
Level 1 cache size       16 KB instruction cache
16 KB data cache
Level 2 cache size       Full-speed integrated 8-way set associative 256 KB
MMX technology
SSE instructions
Low power features
AutoHALT state
Stop Grant state
Sleep state  ?
Deep Sleep state
System Management Mode

Electrical/Thermal parameters

Min/Recommended/Max V core (V)    1.57 / 1.65 / 1.69
1.62 / 1.7 / 1.74
Minimum/Maximum operating temperature (°C)       0 — 82
Maximum power dissipation (W)      22.61 (1.7V core)

Notes on Intel RB80526PZ667256

The processor is usually marked as 667/256/133/1.65V or 667/256/133/1.7V, where the last number specifies processor’s core voltage.If the processor
is marked with RB80526PZ667256 part number then use processor specification number to identify processor’s core voltageGeneral information