W9412G2IB datasheet(17/50 Pages) WINBOND

Part #	W9412G2IB

Description	1M 횞 4 BANKS 횞 32 BITS GDDR SDRAM

Download	50 Pages

Scroll/Zoom	100%

Manufacturer	WINBOND [Winbond]

Direct Link	http://www.winbond.com

Logo

17 / 50 page

W9412G2IB

Publication Release Date: Aug. 30, 2010

- 17 -

Revision A06

•

Addressing Sequence of Interleave Mode

A Column access is started from the inputted column address and is performed by

interleaving the address bits in the sequence shown as the following.

Address Sequence for Interleave Mode

DATA

ACCESS ADDRESS

BURST LENGTH

Data 0

A8 A7 A6 A5 A4 A3 A2 A1 A0

2 words

Data 1

A8 A7 A6 A5 A4 A3 A2 A1 A0

Data 2

A8 A7 A6 A5 A4 A3 A2 A1 A0

4 words

Data 3

A8 A7 A6 A5 A4 A3 A2 A1 A0

Data 4

A8 A7 A6 A5 A4 A3 A2 A1 A0

8 words

Data 5

A8 A7 A6 A5 A4 A3 A2 A1 A0

Data 6

A8 A7 A6 A5 A4 A3 A2 A1 A0

Data 7

A8 A7 A6 A5 A4 A3 A2 A1 A0

7.10.3 CAS Latency field (A6 to A4)

This field specifies the number of clock cycles from the assertion of the Read command to the first

data read. The minimum values of CAS Latency depend on the frequency of CLK.

A6

A5

A4

CAS LATENCY

0

Reserved

0

1

Reserved

0

1

0

2

0

1

3

1

0

4

1

0

1

Reserved

1

0

2.5

1

Reserved

7.10.4 DLL Reset bit (A8)

This bit is used to reset DLL. When the A8 bit is “1”, DLL is reset.

7.10.5 Mode Register /Extended Mode register change bits (BA0, BA1)

These bits are used to select MRS/EMRS.

BA1

BA0

A11

−A0

0

Regular MRS Cycle

0

1

Extended MRS Cycle

1

x

Reserved

Similar Part No. - W9412G2IB

Manufacturer	Part #	Datasheet	Description
Winbond	W9412G2IB4	832Kb / 50P	Double Data Rate architecture; two data transfers per clock cycle

More results

Similar Description - W9412G2IB

Manufacturer	Part #	Datasheet	Description
Winbond	W9825G6DH	1Mb / 44P	4M 횞 4 BANKS 횞 16 BITS SDRAM
	W9864G6GH	1Mb / 43P	1M 횞 4 BANKS 횞 16 BITS SDRAM
	W9412G2CB	1Mb / 49P	1M 횞 4 BANKS 횞 32 BITS GDDR SDRAM
	W9812G2GB	1Mb / 42P	1M 횞 4 BANKS 횞 32BITS SDRAM
	W9464G6IB	2Mb / 51P	1M 횞 4 BANKS 횞 16 BITS DDR SDRAM
	W9464G6IH	840Kb / 54P	1M 횞 4 BANKS 횞 16 BITS DDR SDRAM
	W9812G2IB	661Kb / 43P	1M 횞 4 BANKS 횞 32BITS SDRAM
	W9812G2IH	703Kb / 43P	1M 횞 4 BANKS 횞 32BIT SDRAM
	W9812G6IH	665Kb / 42P	2M 횞 4 BANKS 횞 16 BITS SDRAM
	W9812G6JH	662Kb / 42P	2M 횞 4 BANKS 횞 16 BITS SDRAM

More results

W9412G2IB Datasheet(PDF) 17 Page - Winbond

W9412G2IB Datasheet(HTML) 17 Page - Winbond

Similar Part No. - W9412G2IB

Similar Description - W9412G2IB

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

Datasheet Download

Link URL