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ST5x86

Features: · 586-CLASS PERFORMANCE - 100 and 120 MHz core speeds with 33, 40,and 50 MHz bus options - 16 KByte write-back cache - Superpipelining and branch prediction - Data forwarding - Decoupled load/store unit - On-chip FPU with 64-bit interface· SMALL FOOTPRINT - 208-pin QFP, 168-pin CPGA, 168...

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SeekIC No. : 004506567 Detail

ST5x86: Features: · 586-CLASS PERFORMANCE - 100 and 120 MHz core speeds with 33, 40,and 50 MHz bus options - 16 KByte write-back cache - Superpipelining and branch prediction - Data forwarding - Decoupled l...

ST5x86 Data Sheet

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Part Number:
ST5x86
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/23

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Product Details

Description



Features:

· 586-CLASS PERFORMANCE
    - 100 and 120 MHz core speeds with 33, 40,and 50 MHz bus options
    - 16 KByte write-back cache
    - Superpipelining and branch prediction
    - Data forwarding
    - Decoupled load/store unit
    - On-chip FPU with 64-bit interface
· SMALL FOOTPRINT
    - 208-pin QFP, 168-pin CPGA, 168-pin PPGA
· BUILT-IN POWER MANAGEMENT
    - System management mode
    - Suspend mode
    - FPU, pipeline, and cache auto idle
    - Stop clock capability
    - Operates at 3.45V with 5V tolerant I/O
· x86 INSTRUCTION SET COMPATIBLE
    - Runs Windows, DOS, UNIX, Novell and others


Pinout

Connection Diagram


Specifications

PARAMETER
ALL 5x86 CPUs
UNITS
NOTES
MIN
MAX
Operating Case Temperature
Storage Temperature
Supply Voltage, VCC
Voltage On Any Pin
Input Clamp Current, IIK
Output Clamp Current, IOK
-65
-65
-0.5
-0.5
110
150
4.0
6.0
10
25


V
V
mA
mA
 Power Applied
No Bias


Power Applied
Power Applied



Description

The ST5x86™ microprocessor is a high performance 586-class CPU compatible with all popular x86 operating systems, including DOS, Windows, Windows NT, Windows95, UNIX, Novell, OS/2 and Solaris.

The 586-class performance is achieved by a superpipelined architecture in the integer unit combined with data forwarding, branch prediction, 16-KByte write-back cache, single-cycle instruction decode, and single-cycle execution.

The 5x86 processor provides many power saving features that make it ideal for power sensitive systems. The CPU automatically powers down the Floating Point Unit (FPU) and other internal circuits when they are not in use.

Fast entry and exit from System Management Mode (SMM) allow frequent use of the SMM feature without noticeable performance degradation.




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