EBD10RD4ABFA View Datasheet(PDF) - Elpida Memory, Inc

Part Name

Description

Manufacturer

EBD10RD4ABFA

1GB Registered DDR SDRAM DIMM

Elpida Memory, Inc 

Timing Parameter Measured in Clock Cycle for Registered DIMM

Number of clock cycle

tCK

6ns

Parameter

Symbol min.

max.

Write to pre-charge command delay

(same bank)

tWPD

4 + BL/2

Read to pre-charge command delay

(same bank)

tRPD

BL/2

Write to read command delay

(to input all data)

tWRD

2 + BL/2

Burst stop command to write command delay

(CL = 3)

tBSTW

—

—

(CL = 3.5)

tBSTW 3

Burst stop command to DQ High-Z

(CL = 3)

tBSTZ

—

—

(CL = 3.5)

tBSTZ

3.5

3.5

Read command to write command delay

(to output all data)

tRWD

—

—

(CL = 3)

(CL = 3.5)

tRWD

3 + BL/2

Pre-charge command to High-Z

(CL = 3)

tHZP

—

—

(CL = 3.5)

tHZP

3.5

3.5

Write command to data in latency

tWCD

2

Write recovery

tWR

2

Register set command to active or register

set command

tMRD

2

Self refresh exit to non-read command

tSNR

12

Self refresh exit to read command

tSRD

200

Power down entry

tPDEN 1

1

Power down exit to command input

tPDEX 1

EBD10RD4ABFA

7.5ns

min.

max.

Unit

3 + BL/2

tCK

BL/2

tCK

2 + BL/2

tCK

2

tCK

3

tCK

3

3

tCK

3.5

3.5

tCK

2 + BL/2

tCK

3 + BL/2

tCK

3

3

tCK

3.5

3.5

tCK

2

2

tCK

1

tCK

2

tCK

10

tCK

200

tCK

1

1

tCK

1

tCK

Preliminary Data Sheet E0274E40 (Ver. 4.0)

14

Share Link: