UPD44324084F5-E40-EQ2 datasheet(11/32 Pages) NEC

Part #	UPD44324084F5-E40-EQ2

Description	36M-BIT DDRII SRAM 4-WORD BURST OPERAT

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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11

Preliminary Data Sheet

M16781EJ1V0DS

µPD44324084, 44324094, 44324184, 44324364

Byte Write Operation

[

µPD44324084]

Operation

K

/K

/NW0

/NW1

Write DQ0 to DQ7

L

→ H

–

0

–

L

→ H

0

Write DQ0 to DQ3

L

→ H

–

0

1

–

L

→ H

0

1

Write DQ4 to DQ7

L

→ H

–

1

0

–

L

→ H

1

0

Write nothing

L

→ H

–

1

–

L

→ H

1

Remark H : High level, L : Low level,

→ : rising edge.

[

µPD44324094]

Operation

K

/K

/BW0

Write DQ0 to DQ8

L

→ H

–

0

–

L

→ H

0

Write nothing

L

→ H

–

1

–

L

→ H

1

Remark H : High level, L : Low level,

→ : rising edge.

[

µPD44324184]

Operation

K

/K

/BW0

/BW1

Write DQ0 to DQ17

L

→ H

–

0

–

L

→ H

0

Write DQ0 to DQ8

L

→ H

–

0

1

–

L

→ H

0

1

Write DQ9 to DQ17

L

→ H

–

1

0

–

L

→ H

1

0

Write nothing

L

→ H

–

1

–

L

→ H

1

Remark H : High level, L : Low level,

→ : rising edge.

[

µPD44324364]

Operation

K

/K

/BW0

/BW1

/BW2

/BW3

Write DQ0 to DQ35

L

→ H

–

0

–

L

→ H

0

Write DQ0 to DQ8

L

→ H

–

0

1

–

L

→ H

0

1

Write DQ9 to DQ17

L

→ H

–

1

0

1

–

L

→ H

1

0

1

Write DQ18 to DQ26

L

→ H

–

1

0

1

–

L

→ H

1

0

1

Write DQ27 to DQ35

L

→ H

–

1

0

–

L

→ H

1

0

Write nothing

L

→ H

–

1

–

L

→ H

1

Remark H : High level, L : Low level,

→ : rising edge.

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UPD44324084F5-E40-EQ2 Datasheet(PDF) 11 Page - NEC

UPD44324084F5-E40-EQ2 Datasheet(HTML) 11 Page - NEC

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