參數(shù)資料
型號(hào): MB8117400A-70
廠商: Fujitsu Limited
英文描述: CMOS 4 M ×4 BIT Fast Page Mode DRAM(CMOS 4 M ×4位快速頁(yè)面存取模式動(dòng)態(tài)RAM)
中文描述: 的CMOS 4米× 4位快速頁(yè)面模式的DRAM(的CMOS 4米× 4位快速頁(yè)面存取模式動(dòng)態(tài)內(nèi)存)
文件頁(yè)數(shù): 9/27頁(yè)
文件大?。?/td> 304K
代理商: MB8117400A-70
9
MB8117400A-50/MB8117400A-60/MB8117400A-70
I
AC CHARACTERISTICS (Continued)
(At recommended operating conditions unless otherwise noted.) Notes 3, 4, 5
No.
Parameter
Notes
Symbol
MB8117400A-
50
MB8117400A-
60
MB8117400A-
70
Unit
Min.
Max.
Min.
Max.
Min.
Max.
30
Write Command Setup Time
t
WCS
0
0
0
ns
31
Write Command Hold Time
t
WCH
15
15
15
ns
32
Write Hold Time from RAS
t
WCR
35
35
35
ns
33
WE Pulse Width
t
WP
15
15
15
ns
34
Write Command to RAS Lead Time
t
RWL
13
15
17
ns
35
Write Command to CAS Lead Time
t
CWL
13
15
17
ns
36
DIN Setup Time
t
DS
0
0
0
ns
37
DIN Hold Time
t
DH
15
15
15
ns
38
Data Hold Time from RAS
t
DHR
35
35
35
ns
39
RAS to WE Delay Time
t
RWD
68
80
92
ns
40
CAS to WE Delay Time
t
CWD
31
35
39
ns
41
Column Address to WE Delay
Time
t
AWD
43
50
57
ns
42
RAS Precharge Time to CAS Active Time
(Refresh cycles)
t
RPC
5
5
5
ns
43
CAS Set Up Time for CAS-before-RAS
Refresh
t
CSR
0
0
0
ns
44
CAS Hold Time for CAS-before-RAS
Refresh
t
CHR
10
10
12
ns
45
WE SetUp Time from RAS
t
WSR
0
0
0
ns
46
WE Hold Time from RAS
t
WHR
10
10
10
ns
47
Access Time from OE
t
OEA
13
15
17
ns
48
Output Buffer Turn Off Delay form
OE
t
OEZ
13
15
17
ns
49
OE to RAS Lead Time for Valid Data
t
OEL
5
5
7
ns
50
OE Hold Time Referenced to WE
t
OEH
5
5
5
ns
51
OE to Data in Delay Time
t
OED
13
15
17
ns
52
CAS to Data in Delay Time
t
CDD
13
15
17
ns
53
DIN to CAS Delay Time
t
DZC
0
0
0
ns
54
DIN to OE Delay Time
t
DZO
0
0
0
ns
55
Fast Page Mode RAS Pulse width
t
RASP
100000
100000
100000
ns
60
Fast Page Mode Read/Write Cycle Time
t
PC
35
40
45
ns
15
20
20
20
9
10
16
17
17
相關(guān)PDF資料
PDF描述
MB8117400B-50 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁(yè)面存取模式RAM)
MB8117400B-60 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁(yè)面存取模式RAM)
MB8117405A-60 CMOS 4M ×4 BIT Hyper Page Mode Dynamic RAM(CMOS 4M ×4 位超級(jí)頁(yè)面存取模式動(dòng)態(tài)RAM)
MB8117405A-70 CMOS 4M ×4 BIT Hyper Page Mode Dynamic RAM(CMOS 4M ×4 位超級(jí)頁(yè)面存取模式動(dòng)態(tài)RAM)
MB8117405B-50 4 M ×4 BITS Fast Page Mode Dynamic RAM(CMOS 4 M ×4 位快速頁(yè)面存取模式RAM)
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