HM5257165B datasheet(57/62 Pages) ELPIDA

Part #	HM5257165B

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

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Manufacturer	ELPIDA [Elpida Memory]

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

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57 / 62 page

HM5257165B/HM5257805B/HM5257405B-75/A6

Data Sheet E0081H10

57

Read/Burst Write Cycle

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

R:a

C:a

R:b

C:a'

R:a

C:a

a

a+1 a+2 a+3

a+1

a

a+1 a+2 a+3

Bank 0

Active

Bank 0

Read

Bank 0

Write

Bank 0

Precharge

R:b

Bank 3

Active

CKE

RAS

CS

CAS

WE

Address

DQM,

DQMU/DQML

CLK

BS

CKE

RAS

CS

CAS

WE

Address

DQM,

DQMU/DQML

BS

a+1 a+2 a+3

a

a+3

a

Bank 0

Active

Bank 0

Read

Bank 3

Active

Clock

suspend

Bank 0

Write

Bank 0

Precharge

Bank 3

Precharge

VIH

Read/Burst write

RAS-CAS delay = 3

CAS latency = 3

Burst length = 4

= V

or V

IH

IL

DQ (input)

DQ (output)

DQ (input)

DQ (output)

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Manufacturer	Part #	Datasheet	Description
Elpida Memory	HM5259165B	368Kb / 63P	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
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	HM5264165F-75	514Kb / 65P	64M LVTTL interface SDRAM 133 MHz/100 MHz 1-Mword 횞 16-bit 횞 4-bank/2-Mword 횞 8-bit 횞 4-bank /4-Mword 횞 4-bit 횞 4-bank PC/133, PC/100 SDRAM
	HM5212165FLTD-75	645Kb / 62P	128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword 횞 16-bit 횞 4-bank/4-Mword 횞 8-bit 횞 4-bank PC/133, PC/100 SDRAM
	HM5212165FTD-75	570Kb / 62P	128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword 횞 16-bit 횞 4-bank/4-Mword 횞 8-bit 횞 4-bank PC/133, PC/100 SDRAM
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Hitachi Semiconductor	HM5212165F	859Kb / 63P	128M LVTTL interface SDRAM 133 MHz/100 MHz 2-Mword X 16-bit X 4-bank/4-Mword X 8-bit X 4-bank PC/133, PC/100 SDRAM
Elpida Memory	HB52F168GB-B	135Kb / 19P	128 MB Unbuffered SDRAM Micro DIMM 16-Mword 횞 64-bit, 133/100 MHz Memory Bus, 1-Bank Module (4 pcs of 16 M 횞 16 components) PC133/100 SDRAM
Elpida Memory	HB52F328DC-75B	176Kb / 22P	256 MB Unbuffered SDRAM S.O.DIMM 32-Mword 횞 64-bit, 133 MHz Memory Bus, 2-Bank Module (8 pcs of 16 M 횞 16 components) PC133 SDRAM

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HM5257165B Datasheet(PDF) 57 Page - Elpida Memory

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