29C516E データシートの表示（PDF） - Atmel Corporation

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29C516E

16–Bit Flow–Through EDAC Error Detection And Correction unit

Atmel Corporation 

29C516E

3. Interface

3.1. Functional Diagram

Figure 1.Functional Diagram

CORRECT

SYNCHK

MEM1

EN1

RD/WR1

I/O 16

U1D[0..15] 16 BUFFER 16

U2/U1

TRANS

U2D[0..15] 16

I/O 16

BUFFER 16

CHECK BIT

8

GENERATOR

16

I/O

8

BUFFER

MC[0..7]

CONTROLLER

8

29C516E

RD/WR2

EN2

MEM2

CERR

NCERR

N22

16

I/O

16

16

BUFFER 16 MD[0..15]

SYNDROME 8 SYNDROME

DECODER

GENERATOR

3.2. Block Diagram

Figure 2.Block Diagram

VCC

CORRECT

SYNCHK

N22

U1/U2

TRANS

U1D[0..15] MC[0..7]

EN1

MEM1

RD/WR1

MD[0..15]

U2D[0..15]

EN2

MEM2

RD/WR2

CERR

NCERR

GND

29C516E

2

Rev. E (03 2007)

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