參數(shù)資料
型號: MB814400A-80
廠商: Fujitsu Limited
英文描述: CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4M ×1 位快速頁面存取模式動態(tài)RAM)
中文描述: 的CMOS 4米× 1位快速頁面模式的DRAM的CMOS(4分× 1位快速頁面存取模式動態(tài)內(nèi)存)
文件頁數(shù): 8/27頁
文件大小: 347K
代理商: MB814400A-80
8
MB814400A-60/MB814400A-70/MB814400A-80
I
AC CHARACTERISTICS (Continued)
(At recommended operating conditions unless otherwise noted.)
Notes 3, 4, 5
No.
Parameter
Notes
Symbol
MB814400A-60 MB814400A-70 MB814400A-80
Min.
Max.
Min.
10
10
15
20
15
18
0
0
10
10
85
95
Unit
Max.
Min.
12
20
20
0
12
110
Max.
31 WE Pulse Width
32 Write Command to RAS Lead Time
33 Write Command to CAS Lead Time
34 D
IN
set Up Time
35 D
IN
Hold Time
36 RAS to WE Delay Time
t
WP
t
RWL
t
CWL
t
DS
t
DH
t
RWD
ns
ns
ns
ns
ns
ns
37 CAS to WE Delay Time
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
42 WE SetUp Time from RAS
t
CWD
40
45
50
ns
38
t
AWD
55
60
70
ns
39
t
RPC
0
0
0
ns
40
t
CSR
0
0
0
ns
41
t
CHR
10
10
12
ns
t
WSR
0
0
0
ns
43 WE Hold Time from RAS
t
WHR
10
10
10
ns
44 Access time from OE
Output Buffer Turn Off
Delay
from OE
46 OE to RAS Lead Time for Valid Data
OE Hold Time Referenced
to WE
48 OE to Data In Delay Time
49 DIN to CAS Delay Time
t
OEA
15
20
20
45
t
OEZ
15
15
20
ns
t
OEL
10
10
10
ns
47
t
OEH
0
0
0
ns
t
OED
t
DZC
15
0
15
0
20
0
ns
ns
50 DIN to OE Delay Time
Fast Page Mode Read/Write Cycle
Time
Fast Page Mode Read-Modify-
WriteCycle Time
Access Time from CAS
Precharge
Fast Page Mode CAS Precharge
Time
55 Fast Page Mode RAS Pulse width
Fast Page Mode RAS Hold Time
from CAS Precharge
Fast Page Mode CAS Precharge to
WE Delay Time
t
DZO
0
0
0
ns
51
t
PC
40
45
45
ns
52
t
PRWC
85
93
100
ns
53
t
CPA
35
40
40
ns
54
t
CP
10
10
10
ns
t
RASP
200000
200000
200000
ns
56
t
RHCP
35
40
40
ns
57
t
CPWD
60
65
70
ns
15
15
15
20
20
9
10
16
17
17
9, 18
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MB814400C-60 CMOS 1 M ×4BIT Fast Page Mode DRAM(CMOS 1 M ×4 位快速頁面存取模式動態(tài)RAM)
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