參數(shù)資料
型號: MB81V17800A-70
廠商: Fujitsu Limited
英文描述: CMOS 2 M ×8 BIT Fast Page Mode DRAM(CMOS 2 M ×8 位快速頁面存取模式動態(tài)RAM)
中文描述: 的CMOS 2米× 8位快速頁面模式的DRAM的CMOS(2米× 8位快速頁面存取模式動態(tài)內(nèi)存)
文件頁數(shù): 8/25頁
文件大?。?/td> 520K
代理商: MB81V17800A-70
8
MB81V17800A-60/60L/-70/70L
I
AC CHARACTERISTICS
(Continued)
(At recommended operating conditions unless otherwise noted.) Notes 3, 4, 5
No.
Parameter
Notes
Symbol
MB81V17800A-60/60L
Min.
35
15
15
15
0
15
35
80
35
MB81V17800A-70/70L
Min.
35
15
17
17
0
15
35
92
39
Unit
Max.
Max.
32
33
34
35
36
37
38
39
40
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
RAS to WE Delay Time
CAS to WE Delay Time
Column Address to WE Lead
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
Access Time from OE
Output Buffer Turn Off Delay
from OE
OE to RAS Lead Time for Valid Data
OE Hold Time Referenced to
WE
OE to Data In Delay Time
CAS to Data In Delay Time
DIN to CAS Delay Time
DIN to OE Delay Time
Fast Page Mode RAS Pulse Width
Fast Page Mode Read/Write
Cycle Time
Fast Page Mode Read-Modify-Write Cycle
Time
Access Time from CAS
Precharge
Fast Page Mode CAS Precharge Time
Fast Page Mode RAS Hold Time from CAS
Precharge
Fast Page Mode CAS Precharge to WE
Delay Time
t
WCR
t
WP
t
RWL
t
CWL
t
DS
t
DH
t
DHR
t
RWD
t
CWD
ns
ns
ns
ns
ns
ns
ns
ns
ns
*20
*20
41
*20
t
AWD
50
57
ns
42
t
RPC
5
5
ns
43
t
CSR
0
0
ns
44
t
CHR
10
12
ns
45
*9
t
OEA
15
17
ns
46
*10
t
OEZ
15
17
ns
47
t
OEL
10
10
ns
48
*16
t
OEH
5
5
ns
49
50
51
52
60
t
OED
t
CDD
t
DZC
t
DZO
t
RASP
15
15
0
0
17
17
0
0
ns
ns
ns
ns
ns
*17
*17
100000
100000
61
t
PC
40
45
ns
62
t
PRWC
80
89
ns
63
*9,18
t
CPA
35
40
ns
64
t
CP
10
10
ns
65
t
RHCP
35
40
ns
66
t
CPWD
55
62
ns
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MB81V17800A-70L CMOS 2 M ×8 BIT Fast Page Mode DRAM(CMOS 2 M ×8 位快速頁面存取模式動態(tài)RAM)
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