MD56V62160 데이터 시트보기 (PDF) - Oki Electric Industry

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MD56V62160

4-Bank x 1,048,576-Word x 16-Bit SYNCHRONOUS DYNAMIC RAM

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¡ Semiconductor

MD56V62160/H

Mode Set Address Keys

CAS Latency

Burst Type

A6 A5 A4 CL A3 BT A2

0 0 0 Reserved 0 Sequential 0

0 0 1 Reserved 1 Interleave 0

010

2

0

011

3

0

1 0 0 Reserved

1

1 0 1 Reserved

1

1 1 0 Reserved

1

1 1 1 Reserved

1

Burst Length

A1 A0 BT = 0 BT = 1

0 0 Reserved Reserved

01

2

2

10

4

4

11

8

8

0 0 Reserved Reserved

0 1 Reserved Reserved

1 0 Reserved Reserved

1 1 Reserved Reserved

Note: A7, A8, A9, A10, A11, A12 and A13 should stay "L" during mode set cycle.

POWER ON SEQUENCE

1. With inputs in NOP state, turn on the power supply and start the system clock.

2. After the VCC voltage has reached the specified level, pause for 200 ms or more with

the input kept in NOP state.

3. Issue the precharge all bank command.

4. Apply a CBR auto-refresh eight or more times.

5. Enter the mode register setting command.

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