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The Intel Celeron Processor
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The Celeron family is a line of budget x86 processors based on Pentium P6 designs. It is marketed by Intel as a second line to complement their more expensive but higher-performance Pentium CPUs. The first Celeron was introduced in April 1998 and based on the Pentium II. Later versions are based on the Pentium III and Pentium 4 designs.
The Celeron product concept was introduced by Intel in response to the company's loss of low-end market share, in particular to Cyrix's 6x86 and AMD's K6, but also to other competers such as the IDT Winchip. Intel's venerable Pentium MMX was no longer performance competitive and although a faster Pentium MMX would be cheap to make and technically straightforward, Intel preferred to move away from the industry standard Socket 7 platform (for which competitors made drop-in replacement CPUs) and produced a budget part that was pin-compatible with their high-end Pentium II product (Slot 1). For both technical and legal reasons, competitors had difficulty making Slot 1 parts.
References:
Intel Celeron Processor Home
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Intel Celeron 266 MHz, Engineering Sample |
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L806002Q-0323 | ![Intel Celeron 266 MHz, Engineering Sample Back Side Intel Celeron 266 MHz, Engineering Sample Back Side](showimage.php?i=Intel_Celeron266_L8060020_ES&s=small&tb=2) |
CONFIDENTIAL
266/66 Q525 ES A4 |
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Core Frequency: | 266 MHz | Board Frequency: | 66 MHz |
Clock Multiplier: | 4.0 | Data bus (ext.): | 64 Bit | Address bus: | 36 Bit | Transistors: | 7,500,000 | Circuit Size: | 0.25 µ | Voltage: | 2.0 V | Introduced: | April 15, 1998 | Manufactured: | week 06/1998 | L1 Cache: | 16+16 KB | CPU Code: | Celeron Covington | Intel S-Spec: |
Q525 |
Package Type: | SEPP-242 |
Socket: |
Slot 1 |
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Intel Celeron 266 MHz |
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![Intel Celeron 266 MHz Top Side Intel Celeron 266 MHz Top Side](showimage.php?i=Intel_Celeron266_L8141922&s=small&tb=1) |
L8141922-0433 | ![Intel Celeron 266 MHz Back Side Intel Celeron 266 MHz Back Side](showimage.php?i=Intel_Celeron266_L8141922&s=small&tb=2) |
08160079-SL2TR
266/66 COSTA RICA |
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Core Frequency: | 266 MHz | Board Frequency: | 66 MHz |
Clock Multiplier: | 4.0 | Data bus (ext.): | 64 Bit | Address bus: | 36 Bit | Transistors: | 7,500,000 | Circuit Size: | 0.25 µ | Voltage: | 2.0 V | Introduced: | April 15, 1998
| Manufactured: | week 14/1998 | Made in: | Costa Rica | L1 Cache: | 16+16 KB | CPU Code: | Celeron Covington | Intel S-Spec: |
SL2TR |
Package Type: | SEPP-242 |
Socket: |
Slot 1 |
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Intel Celeron 300 MHz |
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![Intel Celeron 300 MHz Top Side Intel Celeron 300 MHz Top Side](showimage.php?i=Intel_Celeron300A_08240300&s=small&tb=1) |
L8220306-0205 | ![Intel Celeron 300 MHz Back Side Intel Celeron 300 MHz Back Side](showimage.php?i=Intel_Celeron300A_08240300&s=small&tb=2) |
8240300- SL2X8
300/66 COSTA RICA |
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Core Frequency: | 300 MHz | Board Frequency: | 66 MHz |
Clock Multiplier: | 4.5 | Data bus (ext.): | 64 Bit | Address bus: | 36 Bit | Transistors: | 7,500,000 | Circuit Size: | 0.25 µ | Voltage: | 2.0 V | Introduced: | August 24, 1998 | Manufactured: | week 22/1998 | Made in: | Costa Rica | L1 Cache: | 16+16 KB | CPU Code: | Celeron Covington | Intel S-Spec: |
SL2X8 |
Package Type: | SEPP-242 |
Socket: |
Slot 1 |
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Intel Celeron 333 MHz |
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![Intel Celeron 333 MHz Top Side Intel Celeron 333 MHz Top Side](showimage.php?i=Intel_Celeron333_79200082&s=small&tb=1) |
79200082-0579 | ![Intel Celeron 333 MHz Back Side Intel Celeron 333 MHz Back Side](showimage.php?i=Intel_Celeron333_79200082&s=small&tb=2) |
09210489-SL2WN
333/66 COSTA RICA |
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Core Frequency: | 333 MHz | Board Frequency: | 66 MHz |
Clock Multiplier: | 5.0 | Data bus (ext.): | 64 Bit | Address bus: | 36 Bit | Transistors: | 19,200,000 | Circuit Size: | 0.25 µ | Voltage: | 2.0 V | Introduced: | August 24, 1998
| Manufactured: | week 20/1999 | Made in: | Costa Rica | L1 Cache: | 16+16 KB | L2 Cache: | 128 KB | CPU Code: | Celeron Mendocino | Intel S-Spec: |
SL2WN |
Package Type: | SEPP-242 |
Socket: |
Slot 1 |
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Intel Celeron 366 MHz |
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![Intel Celeron 366 MHz Top Side Intel Celeron 366 MHz Top Side](showimage.php?i=Intel_Celeron366_75050255&s=small&tb=1) |
75050255-0519 | ![Intel Celeron 366 MHz Back Side Intel Celeron 366 MHz Back Side](showimage.php?i=Intel_Celeron366_75050255&s=small&tb=2) |
09090419-SL376
366/66 COSTA RICA |
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Core Frequency: | 366 MHz | Board Frequency: | 66 MHz |
Clock Multiplier: | 5.5 | Data bus (ext.): | 64 Bit | Address bus: | 36 Bit | Transistors: | 19,200,000 | Circuit Size: | 0.25 µ | Voltage: | 2.0 V | Introduced: | January 4, 1999 | Manufactured: | week 09/1999 | Made in: | Costa Rica | L1 Cache: | 16+16 KB | L2 Cache: | 128 KB | CPU Code: | Celeron Mendocino | Intel S-Spec: |
SL376 |
Package Type: | SEPP-242 |
Socket: |
Slot 1 |
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