ATC25 데이터 시트보기 (PDF) - Atmel Corporation

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ATC25

Cell-based ASIC

Atmel Corporation 

Atmel Compiled

Megacell Library

The Atmel Compiled Megacell Library enables compilation of megacells for the func-

tions Synchronous RAM, High-range Synchronous RAM, Asynchronous RAM,

Asynchronous Dual-port RAM, Asynchronous Two-port RAM and Synchronous ROM,

according to the user’s precise requirements.

The Atmel megacells can be instanced as often as required in designs and can be used

in parallel with cells from all other Atmel CBIC libraries. All the megacell representations

required for schematic entry, simulation, place and route, layout generation, and verifi-

cation are created automatically.

Compiled Synchronous

RAM Megacells

The Atmel Synchronous RAM compiler has bidirectional or separate I/O ports, and can

be configured in multi-bank form, with a maximum of four banks.

The range of permitted Synchronous RAM megacell configurations is as follows:

Number of bits 128, .. 144K bits

Number of words 32, .. 8K

Word Size

4, .. 36 bits

The following table shows the range of performances for particular Synchronous RAM

configurations under typical conditions.

Configuration

Density (Kbits/mm2)

Frequency (MHz)

Dynamic Power

(mW/MHz)

1K x 8 (8K bits)

51

305

0.17

2K x 16 (32K bits)

58

242

0.36

4K x 32 (128K bits)

62

169

0.73

Compiled High-range

Synchronous RAM

Megacells

The Atmel High-range Synchronous RAM compiler has bidirectional or separate I/O

ports, and can be configured in multi-bank form, with a maximum of four banks.

The range of permitted High-range Synchronous RAM megacell configurations is as

follows:

Number of bits 16K, .. 2.25M bits

Number of words 2K, .. 32K

Word Size

8, .. 72 bits

The following table shows the range of performances for particular High-range Synchro-

nous RAM configurations under typical conditions.

Configuration

Density (Kbits/mm2)

Frequency (MHz)

Dynamic Power

(mW/MHz)

8K x 8 (64K bits)

80

186

0.29

16K x 16 (256K bits)

84

120

0.55

32K x 32 (1M bits)

87

71

1.22

8 ATC25 Summary

1306DS–CBIC–09/02

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