MB81N643289 Datasheet, PDF (25/64 Pages) Fujitsu Component Limited. – 8 x 256K x 32 BIT DOUBLE DATA RATE FCRAMTM

MB81N643289-50/-60 Preliminary (AE1E)
s MODE REGISTER TABLE
MODE REGISTER SET
ADDRESS BA2 BA1 BA0 A10 A9 A8 A7
A6 - A4
A3
A2 - A0
REGISTER 0^*1 0^*1 0^*1 0 1^*2 DR TE
CL
BT
BL
A6 A5 A4 CAS Latency (CL)
0
0
X
Reserved
0
1
0
2 *⁵
0
1
1
3 *⁵
1
0
0
Reserved
1
0
1
Reserved
1
1
0
Reserved
1
1
1
Reserved
A2 A1 A0 Burst Length (BL)
0
0
0
Reserved
0
0
1
2
0
1
0
4
0
1
1
8
1
X
X
Reserved
A7
Test Mode Entry (TE)
0 Normal Operation
1 Test Mode (Used for Supplier Test Mode)
A3
Burst Type (BT)
0 Sequential (Wrap round, Binary up)
1 Reserved
A8
DLL RESET (DR)
0 Normal Operation
1 RESET DLL
EXTENDED MODE REGISTER SET (Note *4)
ADDRESS
BA2 BA1 BA0 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
EXTENDED MODE
REGISTER
0^*3
0^*3
1^*3
RESERVED *⁴
DE
A0
DLL Enable (DE)
0 DLL Enable
1 DLL Disable
Notes: *1. A combination of BA2 = BA1 = BA0 = 0 (Low) selects standard Mode Register.
*2. This field must be set as 1.
*3. A combination of BA1-2 = 0 and BA0 = 1 (High) selects Extended Mode Register.
*4. The RESERVED field must be set as 0.
*5. Write latency (WL) = CL-1
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