M14D5121632A-2K datasheet(12/64 Pages) ESMT

Part #	M14D5121632A-2K

Description	Internal pipelined double-data-rate architecture; two data access per clock cycle

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Manufacturer	ESMT [Elite Semiconductor Memory Technology Inc.]

Direct Link	http://www.esmt.com.tw/index.asp

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12 / 64 page

ESMT

M14D5121632A (2K)

Elite Semiconductor Memory Technology Inc.

Publication Date : May 2014

Revision : 1.4

12/64

AC Timing Parameter & Specifications - Contiuned

-1.3

-1.5

Parameter

Symbol

Min.

Max.

Min.

Max.

Unit

Note

Active to Precharge command

tRAS

60

70K

45

70K

ns

Active to Active command

(same bank)

tRC

80

58.125

ns

Auto Refresh row cycle time

tRFC

150

130

ns

Active to Read, Write delay

tRCD

13.3

13.5

ns

Precharge command period

tRP

13.3

13.5

ns

Active bank A to Active bank B

command

tRRD

12

10

ns

Write recovery time

tWR

15

ns

Write data in to Read command

delay

tWTR

7.5

ns

19

Col. address to Col. address

delay

tCCD

4

2

tCK

Average periodic Refresh

interval ( 0℃ ≦TC ≦ +85℃ )

tREFI

7.8

us

Average periodic Refresh

interval (+85℃ ＜TC ≦ +95℃)

tREFI

3.9

us

Write preamble

tWPRE

0.35

tCK (avg)

Write postamble

tWPST

0.4

0.6

0.4

0.6

tCK (avg)

DQS Read preamble

tRPRE

0.9

1.1

0.9

1.1

tCK (avg)

11

DQS Read postamble

tRPST

0.4

0.6

0.4

0.6

tCK (avg)

12

Load Mode Register / Extended

Mode Register cycle time

tMRD

2

5

tCK

Auto Precharge write recovery

+ Precharge time

tDAL

X

- X

tCK

1, 20

Internal Read to Precharge

command delay

tRTP

10

7.5

ns

Exit Self Refresh to Read

command

tXSRD

200

tCK

Exit Self Refresh to non-Read

command

tXSNR

tRFC + 10

ns

Exit Precharge Power-Down to

any non-Read command

tXP

5

tCK

Exit Active Power-Down to

Read command

tXARD

5

tCK

3

Exit active power-down to Read

command

(slow exit / low power mode)

tXARDS

12 - AL

10 - AL

tCK

2,3

CKE minimum pulse width

(high and low pulse width)

tCKE

5

tCK

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M14D5121632A-2K Datasheet(PDF) 12 Page - Elite Semiconductor Memory Technology Inc.

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