參數(shù)資料
型號: MB8117800A-70
廠商: Electronic Theatre Controls, Inc.
英文描述: 2 M X 8 BIT FAST PAGE MODE DYNAMIC RAM
中文描述: 2的MX 8位快速頁面模式動態(tài)隨機存儲器
文件頁數(shù): 10/27頁
文件大小: 580K
代理商: MB8117800A-70
10
MB8117800A-60/-70
(Continued)
No.
Parameter
Notes
Symbol
MB8117800A-60
MB8117800A-70
Unit
Min.
Max.
Min.
Max.
31
Write Command Hold Time
t
WCH
15
15
ns
32
Write Hold Time from RAS
t
WCR
35
35
ns
33
WE Pulse Width
t
WP
15
15
ns
34
Write Command to RAS Lead Time
t
RWL
15
17
ns
35
Write Command to CAS Lead Time
t
CWL
15
17
ns
36
DIN Setup Time
t
DS
0
0
ns
37
DIN Hold Time
t
DH
15
15
ns
38
Data Hold Time from RAS
t
DHR
35
35
ns
39
RAS to WE Delay Time
*20
t
RWD
80
92
ns
40
CAS to WE Delay Time
*20
t
CWD
35
39
ns
41
Column Address to WE Lead Time
*20
t
AWD
50
57
ns
42
RAS Precharge Time to CAS Active Time
(Refresh cycles)
t
RPC
5
5
ns
43
CAS Setup Time for CAS -before- RAS Refresh
t
CSR
0
0
ns
44
CAS Hold Time for CAS -before- RAS Refresh
t
CHR
10
12
ns
45
Access Time from OE
*9
t
OEA
15
17
ns
46
Output Buffer Turn Off Delay from OE
*10
t
OEZ
15
17
ns
47
OE to RAS Lead Time for Valid Data
t
OEL
10
10
ns
48
OE Hold Time Referenced to WE
*16
t
OEH
5
5
ns
49
OE to Data In Delay Time
t
OED
15
17
ns
50
CAS to Data In Delay Time
t
CDD
15
17
ns
51
DIN to CAS Delay Time
*17
t
DZC
0
0
ns
52
DIN to OE Delay Time
*17
t
DZO
0
0
ns
60
Fast Page Mode RAS Pulse width
t
RASP
100000
100000
ns
61
Fast Page Mode Read/Write Cycle Time
t
PC
40
45
ns
62
Fast Page Mode Read-Modify-Write Cycle Time
t
PRWC
80
89
ns
63
Access Time from CAS Precharge
*9, 18
t
CPA
35
40
ns
64
Fast Page Mode CAS Precharge Time
t
CP
10
10
ns
65
Fast Page Mode RAS Hold Time from CAS
Precharge
t
RHCP
35
40
ns
66
Fast Page Mode CAS Precharge to WE Delay
Time
t
CPWD
55
62
ns
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