A43E16161V-75F datasheet(10/46 Pages) AMICC

Part #	A43E16161V-75F

Description	1M X 16 Bit X 2 Banks Low Power Synchronous DRAM

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Manufacturer	AMICC [AMIC Technology]

Direct Link	http://www.amictechnology.com

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10 / 46 page

A43E16161

PRELIMINARY

(August, 2005, Version 0.0)

9

AMIC Technology, Corp.

Mode Register Filed Table to Program Modes

Register Programmed with MRS

Address

BA

A10

A9

A8

A7

A6

A5

A4

A3

A2

A1

A0

Function

0

RFU

W.B.L

TM

CAS Latency

BT

Burst Length

(Note 3)

(Note 1)

(Note 2)

Test Mode

CAS Latency

Burst Type

Burst Length

A8

A7

Type

A6

A5

A4

Latency

A3

Type

A2

A1

A0

BT=0

BT=1

0

Mode Register Set

0

Reserved

0

Sequential

0

1

0

1

0

1

-

1

Interleave

0

1

2

1

0

1

0

2

0

1

0

4

1

Vendor

Use

Only

0

1

3

0

1

8

Write Burst Length

1

0

Reserved

1

0

Reserved

A9

Length

1

0

1

Reserved

1

0

1

Reserved

0

Burst

1

0

Reserved

1

0

Reserved

1

Single Bit

1

Reserved

1

512(Full)

Reserved

Note :

1. RFU(Reserved for Future Use) should stay “0” during MRS cycle.

2. If A9 is high during MRS cycle, “Burst Read Single Bit Write” function will be enabled.

3. BA must be 0,0 to select the Mode Register (vs. the Extended Mode Register).

Extended Mode Register Table

BA

A10

A9

A8

A7

A6

A5

A4

A3

A2

A1

A0

Address Bus (Ax)

↓

1

All have to be set to “0”

Bank

Up/Down

DS

0

PASR

(Note)

Driver Strength

Partial-Array Self Refresh:

Driver Strength

A6

A5

Driver Strength

A7

A2

A1

A0

Banks to be Self-Refreshed

0

Full

0

All banks (Bank 0, 1)

0

1

3/4

0

1

Reserved

1

0

1/2

0

1

0

Bank 0

1

1/4

0

1

Reserved

0

1

X

Reserved

1

0

All banks (Bank 0, 1)

1

0

1

Reserved

1

0

1

0

One bank (Bank 1)

1

0

1

Reserved

1

X

Reserved

Note:

BA must be 1 to select the Extended Mode Register (vs. the Mode Register)

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