參數(shù)資料
型號(hào): MB81V4400C-70
廠(chǎng)商: Fujitsu Limited
英文描述: CMOS 1M x 4 Bit Fast Page Mode Dynamic RAM(CMOS 1M x 4位快速頁(yè)模式動(dòng)態(tài)RAM)
中文描述: 100萬(wàn)的CMOS × 4位快速頁(yè)面模式動(dòng)態(tài)RAM的CMOS(100萬(wàn)× 4位快速頁(yè)模式動(dòng)態(tài)內(nèi)存)
文件頁(yè)數(shù): 8/26頁(yè)
文件大小: 302K
代理商: MB81V4400C-70
8
MB81V4400C-60/MB81V4400C-70
I
AC CHARACTERISTICS (Continued)
(At recommended operating conditions unless otherwise noted.) Notes 3, 4, 5
No.
Parameter
Notes
Symbol
MB81V4400C-60
Min.
0
10
80
35
50
MB81V4400C-70
Min.
0
10
90
40
55
Unit
Max.
Max.
34
35
36
37
38
DIN Set Up Time
DIN Hold Time
RAS to WE Delay Time
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
t
DS
t
DH
t
RWD
t
CWD
t
AWD
ns
ns
ns
ns
ns
39
t
RPC
5
5
ns
40
t
CSR
0
0
ns
41
t
CHR
10
10
ns
42
WE SetUp Time from RAS
t
WSR
0
0
ns
43
WE Hold Time from RAS
t
WHR
10
10
ns
44
Access Time from OE
t
OEA
15
20
ns
45
Output Buffer Turn Off Delay from
OE
OE to RAS Lead Time for Valid Data
t
OEZ
15
15
ns
46
t
OEL
10
10
ns
47
OE Hold Time Referebced to WE
t
OEH
0
0
ns
48
OE to Data in Delay Time
t
OED
15
15
ns
49
DIN to CAS Delay Time
t
DZC
0
0
ns
50
DIN to OE Delay Time
t
DZO
0
0
ns
51
Fast Page Mode Read/Write Cycle Time
Fast Page Mode Read-Modify-Write Cycle
Time
t
PC
40
45
ns
52
t
PRWC
80
85
ns
53
Access Time from CAS Precharge
t
CPA
35
40
ns
54
55
Fast Page Mode CAS Precharge Time
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
CP
t
RASP
10
10
ns
ns
200000
200000
56
t
RHCP
35
40
ns
57
t
CPWD
55
60
ns
20
20
9
10
16
17
17
9, 18
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