MB8117800A-60 Datasheet, PDF (9/27 Pages) List of Unclassifed Manufacturers – 2 M X 8 BIT FAST PAGE MODE DYNAMIC RAM

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MB8117800A-60/-70
s AC CHARACTERISTICS
(At recommended operating conditions unless otherwise noted.) Notes 3, 4, 5
MB8117800A-60 MB8117800A-70
No.
Parameter
Notes Symbol
Unit
Min. Max. Min. Max.
1 Time Between Refresh
tREF
—
32.8
—
32.8 ms
2 Random Read/Write Cycle Time
tRC
110
—
130
—
ns
3 Read-Modify-Write Cycle Time
tRWC
150
—
174
—
ns
4 Access Time from RAS
*6, 9
tRAC
—
60
—
70 ns
5 Access Time from CAS
*7, 9
tCAC
—
15
—
17 ns
6 Column Address Access Time
*8, 9
tAA
—
30
—
35 ns
7 Output Hold Time
tOH
3
—
3
—
ns
8 Output Buffer Turn On Delay Time
tON
0
—
0
—
ns
9 Output Buffer Turn Off Delay Time
*10
tOFF
—
15
—
17 ns
10 Transition Time
tT
3
50
3
50 ns
11 RAS Precharge Time
tRP
40
—
50
—
ns
12 RAS Pulse Width
tRAS
60 100000 70 100000 ns
13 RAS Hold Time
tRSH
15
—
17
—
ns
14 CAS to RAS Precharge Time
tCRP
5
—
5
—
ns
15 RAS to CAS Delay Time
*11, 12 tRCD
20
45
20
53 ns
16 CAS Pulse Width
tCAS
15
—
17
—
ns
17 CAS Hold Time
tCSH
60
—
70
—
ns
18 CAS Precharge Time (Normal)
*19
tCPN
10
—
10
—
ns
19 Row Address Set Up Time
tASR
0
—
0
—
ns
20 Row Address Hold Time
tRAH
10
—
10
—
ns
21 Column Address Set Up Time
tASC
0
—
0
—
ns
22 Column Address Hold Time
tCAH
15
—
15
—
ns
23 Column Address Hold Time from RAS
tAR
35
—
35
—
24 RAS to Column Address Delay Time
*13
tRAD
15
30
15
35 ns
25 Column Address to RAS Lead Time
tRAL
30
—
35
—
ns
26 Column Address to CAS Lead Time
tCAL
30
—
35
—
ns
27 Read Command Set Up Time
tRCS
0
—
0
—
ns
28
Read Command Hold Time
Referenced to RAS
*14
tRRH
0
—
0
—
ns
29
Read Command Hold Time
Referenced to CAS
*14
tRCH
0
—
0
—
ns
30 Write Command Set Up Time
*15, 20 tWCS
0
—
0
—
ns
9