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**CS8233   PEAK/386 AT (Cached)     (82C311/82C315/82C316)     c:Dec90

***Info:...
***Configurations:...
***Features:
o   100% IBM PC AT Cache based 386/AT Compatible CHIPSet
o   Supports 16, 20, 25 and 33 MHz 80386DX based Systems
o   Independent clock to support correct AT bus timing
o   Flexible architecture allows usage in any iAPX 386 design
o   A complete 386/AT Cache based PC AT now requires only 19 IC's 
    plus memory
o   Integrates Cache Directory and CPU/Cache/DRAM Controller on a 
    single chip to provide PEAK integration and PEAK performance.
o   Integrated CPU/Cache/DRAM Controller enhances 80386DX CPU and 
    memory system performance
    - Averages to nearly zero wait state memory access
    - Zero wait state non-pipelines read hit access
    - Zero wait state non-pipelined write access
    - Buffered-write through DRAM update scheme to minimize write 
      cycle penalty
    - Cache hit rate up to 99%
o   Supports 32KB, 64KB, and 128KB two-way set associative cache 
    organization
    - 32 byte line size
    - 4 byte sub-line size with associative valid bit
    - Support blocks (of variable size - 4KB to 4M) of main memory 
      as non-cacheable
      address space
    - Supports caching of data and code
o   Tightly coupled 80386DX interface
    - Deigned to interface directly with the 80386DX
    - Supports 16, 20, 25 and 33MHz operation
    - Integrated support for 80387DX a Weitek 3167 coprocessor
o   Flexible memory architecture to support:
    - Memory configurations up to 128 MB
    - Programmable DRAM wait states
    - 256K, 1MB, and 4MB DRAMs in configurations of up to 4 blocks 
      and 8 banks
    - Staggered RAS during refresh
    - Hidden refresh and burst refresh
    - 256K/512K/1M PROMs
o   Supports shadowing of BIOS EPROMs

**CS8236   386/AT                   (82C301/2/3/4/5/6/206)         c86...
**CS8237   TURBO CACHE-BASED 386/AT (82C301/7/3/4/5/6/206)         c86...
**CS8238   CHIPS/280 & 281 (386 MCA)(82C321/322/325/223/226)   c:Aug89...
**CS82310  PEAK/DM 386 AT           (82C351/82C355/82C356)         c91...
**CS8281   NEATsx (386SX)           (82C811/812/215/206)       c:Dec89...
**CS8283   LeAPset-sx               (82C841/82C242/82C636)     c:Mar90...
**CS8285   PEAKsx                   (82C836/82C835)                c91...
**CS8288   CHIPSlite-sx             (82C836/82C641/82C835)          c?...
**CS4000   WinCHIPS                 (64200/84021/84025)            c92...
**CS4021   ISA/486                  (84021/84025)                  c92...
**CS4031   CHIPSet                  (84031/84035)              5/10/93...
**CS4041/5 CHIPSet                  (84041/84045)              2/10/95...
**CB8291   ELEAT                    [no datasheet]                 c90...
**CB8295   ELEATsx                  [no datasheet]                 c90...
**82C100   IBM PS/2 Model 30/Super XT                                ?...
**82C110   IBM PS/2 Model 30/Super XT                                ?...
**82C235   Single Chip AT (SCAT)                                   c89...
**82C836   Single Chip 386sx (SCATsx)                              <91...
**F8680/A  PC/CHIP Single-Chip PC                                  c93...
**
**Support Chips:
**64200    (Wingine) High Performance 'Windows Engine'         c:Oct91...
**82C206   Integrated Peripheral Controller                        c86...
**82C601/A Single Chip Peripheral Controller                 <08/30/90...
**82C607   Multifunction Controller                             <Jun88...
**82C710   Universal Peripheral Controller                     c:Aug90...
**82C711   Universal Peripheral Controller II                  c:Jan91...
**82C712   Universal Peripheral Controller II                  c:Jan91...
**82C721   Universal Peripheral Controller III                 c:May93...
**82C735   I/O Peripheral Controller With Printgine            c:Jul93...
**82C835   Single CHIP 386sx AT Cache Controller               c:Apr91...
**F87000   Multi-Mode Peripheral Chip                         11/23/93...
**Other:...
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*Contaq  . . . . . [no datasheets, some info]...
*Efar Microsystems [no datasheets, some info]...
*ETEQ...
*Faraday...
*Forex . . . . . . [List only, no datasheets found]...
*Intel...
**82498/493   Cache Controller / Cache RAM (for P54 Pentium)    <Nov94
***Notes:
Date source: 1995_Intel_Pentium_Processors_and_Related_Components.pdf

Information taken from: 
            1995_Intel_Pentium_Processors_and_Related_Components.pdf*
                                         8249x Cache controllers.pdf**
>*  Datasheet dated Nov'94
>** Datasheet undated, whole document dated '95

The info and features section have  been solely sourced from the first
source.   The  second source  provides  far  more detail.   Additional
information in  the configurations section  has been sourced  from the
second.

Difference to 82497/492 is this supports 1 Mbyte to 2 Mbyte cache.

***Info:...
***Configurations:...
***Features:...
**
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