HM5259165B datasheet(60/63 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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60 / 63 page

HM5259165B/HM5259805B/HM5259405B-75/A6

Data Sheet E0118H10

Clock Suspend Mode

012

1011

1213

141516

171819

R:a

C:a

R:b

a+1 a+2

a+3

b+1 b+2

R:a

C:a R:b

C:b

a+1 a+2

b+1 b+2 b+3

C:b

Bank0

Active

Active clock

suspend start

Active clock

supend end

Bank0

Read

Bank3

Active

Read suspend

start

Read suspend

end

Bank0

Precharge

Bank3

Read

Earliest Bank3

Precharge

Bank0

Write

Bank0

Active

Active clock

suspend start

Active clock

suspend end

Bank3

Active

Write suspend

start

Write suspend

end

Bank3

Write

Bank0

Precharge

Earliest Bank3

Precharge

b+3

CKE

RAS

CAS

Address

DQM,

DQMU/DQML

CLK

CKE

RAS

CAS

Address

DQM,

DQMU/DQML

a+3

High-Z

;

tCES

tCEH

tCES

Read cycle

RAS-CAS delay = 2

CAS latency = 2

Burst length = 4

= V

or V

Write cycle

RAS-CAS delay = 2

CAS latency = 2

Burst length = 4

= V

or V

DQ (output)

DQ (input)

DQ (output)

DQ (input)

HM5259165B Datasheet(PDF) 60 Page - Elpida Memory

HM5259165B Datasheet(HTML) 60 Page - Elpida Memory

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