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MB81P643287 Datasheet, PDF (32/65 Pages) Fujitsu Component Limited. – 8 x 256K x 32 BIT, FCRAMTM CORE BASED DOUBLE DATA RATE SDRAM
MB81P643287-50/-60
s AC CHARACTERISTICS
(Recommended operating conditions unless otherwise noted.) Note *1,*2,*3
AC PARAMETERS (CAS LATENCY DEPENDENT)
Parameter
Symbol
MB81P643287-50 MB81P643287-60
Unit
Min. Max. Min. Max.
Clock Period
CL = 3 5.0
9.0
6.0
10.5
tCK
ns
CL = 2 7.5
10.5
9.0
10.5
Parameter
Input Setup Time
(Except for DQS, DM and DQs)
Input Hold Time
(Except for DQS, DM and DQs)
DM and Data Input Setup Time
DM and Data Input Hold Time
DQS First Input Setup Time
(Input Preamble Setup Time)
Last Data Output to CKE High Level
Hold Time
Input Transition Time
Precharge Power Down Exit
and Self-refresh Exit Time
Time between Refresh
Time between Auto-refresh Command
Pause Time after Power-on
MB81P643287-50 MB81P643287-60
Notes Symbol
Unit
Min. Max. Min. Max.
*4
tIS
1.0
—
1.2
—
ns
*4
tIH
1.0
—
1.2
—
ns
*5
tDS
0.6
—
0.7
—
ns
*5 tDH
0.6
—
0.7
—
ns
*6 tDSPRES
0
—
0
—
ns
tQCKEH
0
—
0
—
ns
*7
tT
0.1
0.8
0.1
0.9
ns
*4 tPDEX
3.0
—
3.6
—
ns
*8 tREF
—
32
—
32
ms
*8 tAREF
—
8.0
—
8.0
µs
tPAUSE
200
—
200
—
µs
32