MSM56V16800F Просмотр технического описания (PDF) - Oki Electric Industry
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MSM56V16800F Datasheet PDF : 30 Pages
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MSM56V16800F
Mode Set Address Keys
CAS Latency
Burst Type
Burst Length
A6 A5 A4
CL
A3
BT
A2 A1 A0 BT = 0
0 0 0 Reserved 0 Sequential 0 0 0
1
001
1
1 Interleave 0 0 1
2
010
2
010
4
011
3
011
8
1 0 0 Reserved
1 0 0 Reserved
1 0 1 Reserved
1 0 1 Reserved
1 1 0 Reserved
1 1 0 Reserved
1 1 1 Reserved
1 1 1 Full Page
Notes: A7, A8, A9, A10 and A11 should stay “L” during mode set cycle.
BT = 1
1
2
4
8
Reserved
Reserved
Reserved
Reserved
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 200ms 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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