MB8117800A-60 Datasheet, PDF (10/27 Pages) List of Unclassifed Manufacturers – 2 M X 8 BIT FAST PAGE MODE DYNAMIC RAM

MB8117800A-60/-70
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MB8117800A-60 MB8117800A-70
No.
Parameter
Notes Symbol
Unit
Min. Max. Min. Max.
31 Write Command Hold Time
tWCH
15
—
15
—
ns
32 Write Hold Time from RAS
tWCR
35
—
35
—
ns
33 WE Pulse Width
tWP
15
—
15
—
ns
34 Write Command to RAS Lead Time
tRWL
15
—
17
—
ns
35 Write Command to CAS Lead Time
tCWL
15
—
17
—
ns
36 DIN Setup Time
tDS
0
—
0
—
ns
37 DIN Hold Time
tDH
15
—
15
—
ns
38 Data Hold Time from RAS
tDHR
35
35
ns
39 RAS to WE Delay Time
*20
tRWD
80
—
92
—
ns
40 CAS to WE Delay Time
*20
tCWD
35
—
39
—
ns
41 Column Address to WE Lead Time
*20
tAWD
50
—
57
—
ns
42
RAS Precharge Time to CAS Active Time
(Refresh cycles)
tRPC
5
—
5
—
ns
43 CAS Setup Time for CAS -before- RAS Refresh tCSR
0
—
0
—
ns
44 CAS Hold Time for CAS -before- RAS Refresh
tCHR
10
—
12
—
ns
45 Access Time from OE
*9
tOEA
—
15
—
17 ns
46 Output Buffer Turn Off Delay from OE *10
tOEZ
—
15
—
17 ns
47 OE to RAS Lead Time for Valid Data
tOEL
10
—
10
—
ns
48 OE Hold Time Referenced to WE
*16
tOEH
5
—
5
—
ns
49 OE to Data In Delay Time
tOED
15
—
17
—
ns
50 CAS to Data In Delay Time
tCDD
15
—
17
—
ns
51 DIN to CAS Delay Time
*17
tDZC
0
—
0
—
ns
52 DIN to OE Delay Time
*17
tDZO
0
—
0
—
ns
60 Fast Page Mode RAS Pulse width
tRASP
— 100000 — 100000 ns
61 Fast Page Mode Read/Write Cycle Time
tPC
40
—
45
—
ns
62 Fast Page Mode Read-Modify-Write Cycle Time tPRWC
80
—
89
—
ns
63 Access Time from CAS Precharge
*9, 18
tCPA
—
35
—
40 ns
64 Fast Page Mode CAS Precharge Time
tCP
10
—
10
—
ns
65
Fast Page Mode RAS Hold Time from CAS
Precharge
tRHCP
35
—
40
—
ns
66
Fast Page Mode CAS Precharge to WE Delay
Time
tCPWD
55
—
62
—
ns
10