MSC23S2640E-8BS8 Ver la hoja de datos (PDF) - Oki Electric Industry

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MSC23S2640E-8BS8

2,097,152 Word x 64 Bit SYNCHRONOUS DYNAMIC RAM MODULE (1BANK):

Oki Electric Industry 

MSC23S2640E-8BS8 (98.08.19)

MODE SET ADDRESS KEYS

/CAS Latency

A6 A5 A4

CL

0 0 0 Reserved

0 0 1 Reserved

010

2

011

3

1 0 0 Reserved

1 0 1 Reserved

1 1 0 Reserved

1 1 1 Reserved

Burst Type

Burst Length

A3

BT

A2 A1 A0

BT=0

0 Sequential 0 0 0

1

1 Interleave 0 0 1

2

010

4

011

8

1 0 0 Reserved

1 0 1 Reserved

1 1 0 Reserved

1 1 1 Full Page

BT=1

1

2

4

8

Reserved

Reserved

Reserved

Reserved

Note: A7, A8, A9, A10 and A11 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 200µs 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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