參數資料
型號: MB814100A-60
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)內存)
文件頁數: 10/25頁
文件大?。?/td> 309K
代理商: MB814100A-60
10
MB814100A-60/MB814100A-70/MB814100A-80
I
FUNCTIONAL TRUTH TABLE
Note :X : “H” or “L”
*1: It is impossible in Fast Page Mode.
Operation Mode
Clock Input
Address Input
Data
Refresh
Note
RAS
CAS
WE
Row
Column
Input
Output
Standby
H
H
X
High-Z
Read Cycle
L
L
H
Valid
Valid
Valid
Yes
*1
t
RCS
t
RCS
(min.)
Write Cycle
(Early Write)
L
L
L
Valid
Valid
Valid
High-Z
Yes
*1
t
WCS
t
WCS
(min.)
Read-Modify-
Write Cycle
L
L
H
L
Valid
Valid
X
Valid
Valid
Yes
*1
t
CWD
t
CWD
(min.)
RAS-only
Refresh Cycle
L
H
X
Valid
High-Z
Yes
CAS-before-RAS
Refresh Cycle
L
L
H
High-Z
Yes
t
CSR
t
CSR
(min.)
Hidden Refresh
Cycle
H
L
L
H
Valid
Yes
Previous data is
kept
t
CSR
t
CSR
(min.)
t
WSR
t
WSR
(min.)
Test mode set
cycle (CBR)
L
L
L
High-Z
Yes
Test mode set
cycle (Hidden)
H
L
L
L
Valid
Yes
CSR
t
CSR
(min.)
t
WSR
t
WSR
(min.)
80 ns Version
70 ns Version
60 ns
Version
60 ns Version
70 ns Version
80 ns Version
60 ns
Version
70 ns/80 ns
Version
Fig. 2 - t
RAC
vs. t
RCD
Fig. 3 - t
RAC
vs. t
RAD
Fig. 4 - t
CPA
vs. t
CP
140
120
100
80
60
40
t
RAC
(ns)
t
RAC
(ns)
100
90
80
70
60
50
t
CPA
(ns)
80
70
60
50
40
30
20
40
60
80 100 120
t
RCD
(ns)
10
20
30
t
RAD
(ns)
40
50
60
10
20
30
t
CP
(ns)
40
50
60
相關PDF資料
PDF描述
MB814100A-70 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)
MB814100A-80 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)
MB814100C-60 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4 M ×1 位快速頁面存取模式動態(tài)RAM)
MB814100C-70 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4 M ×1位快速頁面存取模式動態(tài)RAM)
MB814100D-60 CMOS 4 M ×1 BIT Fast Page Mode DRAM(CMOS 4 M ×1位速頁面存取模式動態(tài)RAM)
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