¡ Semiconductor
MD56V62320
Mode Set Address Keys
CAS Latency
Burst Type
Burst Length
A2 A1 A0 BT = 0
Reserved Reserved
A6 A5 A4
CL
A3
BT
BT = 1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Reserved
Reserved
2
0
1
Sequential
Interleave
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
2
4
8
2
4
8
3
Reserved
Reserved
Reserved
Reserved
Reserved Reserved
Reserved Reserved
Reserved Reserved
Reserved Reserved
Note:
A7, A8, A9, A10, BA1 and BA0 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 V voltage has reached the specified level, pause for 200 ms or more with
CC
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.
7/29
OKI [ OKI ELECTRONIC COMPONETS ]
