EDS2516APTA-75TI-E View Datasheet(PDF) - Elpida Memory, Inc

Part Name

Description

View to exact match

EDS2516APTA-75TI-E

256M bits SDRAM WTR (Wide Temperature Range)

Elpida Memory, Inc 

EDS2516APTA-TI-E

DQM Truth Table

Commands

Upper byte write enable/output enable

Lower byte write enable/output enable

Upper byte write inhibit/output disable

Lower byte write inhibit/output disable

Remark: H: VIH. L: VIL. ×: VIH or VIL

Write: lDID is needed.

Read: lDOD is needed.

CKE Truth Table

Current state

Activating

Any

Clock suspend

Idle

Idle

Self refresh

Function

Clock suspend mode entry

Clock suspend mode

Clock suspend mode exit

CBR (auto) refresh command

Self refresh entry

Self refresh exit

Idle

Power down entry

Power down

Power down exit

Remark: H: VIH. L: VIL. ×: VIH or VIL

Symbol

ENBU

ENBL

MASKU

MASKL

Symbol

REF

SELF

CKE

n–1

H

L

L

H

H

L

L

H

H

L

L

CKE

n–1

n

H

×

H

×

H

×

H

×

DQM

UDQM

L

×

H

×

n

/CS

/RAS /CAS

L

×

×

×

L

×

×

×

H

×

×

×

H

L

L

L

L

L

L

L

H

L

H

H

H

H

×

×

L

L

H

H

L

H

×

×

H

H

×

×

H

L

H

H

LDQM

×

L

×

H

/WE Address

×

×

×

×

×

×

H

×

H

×

H

×

×

×

H

×

×

×

×

×

H

×

Data Sheet E0677E10 (Ver. 1.0)

17

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