參數(shù)資料
型號(hào): MB8117805A-70
廠商: Fujitsu Limited
英文描述: CMOS 2M ×8 BIT Hyper Page Mode Dynamic RAM(CMOS 2M ×8 位超級(jí)頁(yè)面存取模式動(dòng)態(tài)RAM)
中文描述: 的CMOS 200萬(wàn)× 8位超頁(yè)模式動(dòng)態(tài)RAM的CMOS(200萬(wàn)× 8位超級(jí)頁(yè)面存取模式動(dòng)態(tài)內(nèi)存)
文件頁(yè)數(shù): 9/30頁(yè)
文件大小: 569K
代理商: MB8117805A-70
9
MB8117805A-60/MB8117805A-70
I
AC CHARACTERISTICS (Continued)
(At recommended operating conditions unless otherwise noted.)
Notes 3, 4, 5
MB8117805A-70
Min.
No.
Parameter
Notes
Symbol
MB8117805A-60
Min.
Unit
Max.
Max.
31
Read Command Hold Time
Referenced to RAS
Read Command Hold Time
Referenced to CAS
t
RRH
0
0
ns
32
t
RCH
0
0
ns
33
Write Command Set Up Time
t
WCS
0
0
ns
34
35
36
37
38
39
40
41
Write Command Hold Time
Write Hold Time from RAS
WE Pulse Width
Write Command to RAS Lead Time
Write Command to CAS Lead Time
DIN Set Up Time
DIN Hold Time
Data Hold Time from RAS
t
WCH
t
WCR
t
WP
t
RWL
t
CWL
t
DS
t
DH
t
DHR
10
24
10
15
10
0
10
24
10
24
10
17
13
0
10
24
ns
ns
ns
ns
ns
ns
ns
ns
42
RAS to WE Delay Time
t
RWD
77
89
ns
43
CAS to WE Delay Time
t
CWD
32
36
ns
44
Column Address to WE Delay
Time
RAS Precharge Time to CAS Active Time
(Refresh cycles)
CAS Set Up Time for CAS-before-RAS
Refresh
CAS Hold Time for CAS-before-RAS
Refresh
t
AWD
47
54
ns
45
t
RPC
5
5
ns
46
t
CSR
0
0
ns
47
t
CHR
10
12
ns
48
Access Time from OE
t
OEA
15
17
ns
49
Output Buffer Turn Off Delay
from OE
OE to RAS Lead Time for Valid Data
OE to CAS Lead Time
OE Hold Time Referenced to
WE
OE to Data In Delay Time
RAS to Data In Delay Time
CAS to Data In Delay Time
t
OEZ
15
17
ns
50
51
t
OEL
t
COL
10
5
10
5
ns
ns
52
t
OEH
5
5
ns
53
54
55
t
OED
t
RDD
t
CDD
15
15
15
17
17
17
ns
ns
ns
56
DIN to CAS Delay Time
t
DZC
0
0
ns
57
DIN to OE Delay Time
t
DZO
0
0
ns
58
OE Precharge Time
t
OEP
8
8
ns
14
14
15, 20
20
20
20
9
10
16
17
17
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