MB81F643242C Datasheet, PDF (29/56 Pages) Fujitsu Component Limited. – 4 X 512 K X 32 BIT SYNCHRONOUS DYNAMIC RAM

MB81F643242C-60/-70/-10 Advanced Info (AE0.1E)
s AC CHARACTERISTICS
(At recommended operating conditions unless otherwise noted.) Note *1, 2, and *3
Parameter Notes
MB81F643242C MB81F643242C MB81F643242C Reference Value ^*4
Symbol
-60
-70
-10
@67MHz, CL=3 _Unit
Min. Max. Min. Max. Min. Max. Min. Max.
Clock Period
CL = 2 tCK2
10
10
15
20
—
—
—
CL = 3 tCK3
6
7
10
15
ns
—
ns
Clock High Time
Clock Low Time
*5 tCH
2.5 — 2.5 —
3
—
4
*5 tCL
2.5 — 2.5 —
3
—
4
— ns
— ns
Input Setup Time
*5 tSI
1.5 —
2
—
2
—
3
Input Hold Time
*5 tHI
1
—
1
—
1
—
1
Access Time *5,*6, CL = 2 tAC2
6
6
7
from Clock
*7
—
—
—
—
(tCK = min)
CL = 3 tAC3
5.5
5.5
7
Output in Low-Z
*5 tLZ
1
—
1
—
1
—
1
— ns
— ns
7
ns
7
ns
— ns
Output in
High-Z
CL = 2 tHZ2
6
6
7
*5,*8
2.5
2.5
3
3
CL = 3 tHZ3
5.5
5.5
7
Output Hold
Time
CL = 2
*5,*7
tOH
CL = 3
2.5 — 2.5 —
3
—
3
7
ns
7
ns
ns
—
ns
Time between Auto-Refresh
command interval
*4
tREFI
— 15.6 — 15.6 — 15.6
—
15.6 µs
Time between Refresh
tREF
— 64 — 64 — 64
—
64 ms
Transition Time
tT
0.5 10 0.5 10 0.5 10
0.5
CKE Setup Time for Power
Down Exit Time
*5
tCKSP
1.5
—
2
—
3
—
3
10 ns
— ns
29