HM5259165B datasheet(52/63 Pages) ELPIDA

Part #	HM5259165B

Description	512M LVTTL interface SDRAM 133 MHz/100 MHz 8-Mword 횞 16-bit 횞 4-bank/16-Mword 횞 8-bit 횞 4-bank /32-Mword 횞 4-bit 횞 4-bank PC/133, PC/100 SDRAM

PDF	63 Pages

Scroll/Zoom	100%

Manufacturer	ELPIDA [Elpida Memory]

Direct Link	http://www.elpida.com/en

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52 / 63 page

HM5259165B/HM5259805B/HM5259405B-75/A6

Data Sheet E0118H10

Relationship Between Frequency and Minimum Latency

HM5259165B/

HM5259805B/

HM5259405B

Parameter

-75

-A6

Frequency (MHz)

133

100

CK (ns)

Symbol

PC/100

Symbol

7.5

Notes

Active command to column command

(same bank)

RCD

321

Active command to active command

(same bank)

97= [l

RAS+ lRP]

Active command to precharge command

(same bank)

RAS

651

Precharge command to active command

(same bank)

321

Write recovery or data-in to precharge

command (same bank)

DPL

Tdpl

Active command to active command

(different bank)

RRD

221

Self refresh exit time

SREX

Tsrx

Last data in to active command

(Auto precharge, same bank)

APW

Tdal

= [l

DPL + lRP]

Self refresh exit to command input

SEC

97= [l

RC]

Precharge command to high impedance

(

CAS latency = 2)

HZP

Troh

(

CAS latency = 3)

HZP

Troh

Last data out to active command

(Auto precharge, same bank)

APR

Last data out to precharge (early precharge)

(

CAS latency = 2)

–1

(

CAS latency = 3)

–2

Column command to column command

CCD

Tccd

Write command to data in latency

WCD

Tdwd

DQM to data in

DID

Tdqm

DQM to data out

DOD

Tdqz

CKE to CLK disable

CLE

Tcke

RSA

Tmrd

HM5259165B Datasheet(PDF) 52 Page - Elpida Memory

HM5259165B Datasheet(HTML) 52 Page - Elpida Memory

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