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| 型號： | IBM0116400M |
| 廠商： | IBM Microeletronics |
| 英文描述： | 4M x 4 12/10 DRAM(16M位 動態(tài)RAM（帶22條地址線，其中12條為行地址選通，10條為列地址選通）) |
| 中文描述： | 4米× 4 12月10日的DRAM（1,600位動態(tài)隨機存儲器（帶22條地址線，其中12條為行地址選通，10條為列地址選通）） |
| 文件頁數(shù)： | 7/28頁 |
| 文件大小： | 512K |
| 代理商： | IBM0116400M |
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IBM0116400
IBM0116400B IBM0116400P
4M x 4 12/10 DRAM
IBM0116400M
43G9396
SA14-4203-06
Revised 4/97
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 7 of 28
AC Characteristics
(T
A
= 0 to +70C, V
CC
= 3.3V
±
0.3V or V
CC
= 5.0V
±
0.5V
)
1. An initial pause of 200
μ
s is required after power-up followed by 8 RAS only refresh cycles before proper device operation is
achieved. In case of using the internal refresh counter, a minimum of 8 CAS before RAS refresh cycles instead of 8 RAS only
refresh cycles is required.
2. AC measurements assume t
T
=5ns.
3. V
IH
(min.) and V
IL
(max.) are reference levels for measuring timing of input signals. Also, transition times are measured between V
IH
and V
IL
.
4. Valid column addresses are A0 through A9.
Read, Write, Read-Modify-Write and Refresh Cycles
(Common Parameters)
Symbol
Parameter
-50
-60
Units
Notes
Min.
Max.
Min.
Max.
t
RC
Random Read or Write Cycle Time
95
—
110
—
ns
t
RP
RAS Precharge Time
30
—
40
—
ns
t
CP
CAS Precharge Time
10
—
10
—
ns
t
RAS
RAS Pulse Width
50
10K
60
10K
ns
t
CAS
CAS Pulse Width
13
10K
15
10K
ns
t
ASR
Row Address Setup Time
0
—
0
—
ns
t
RAH
Row Address Hold Time
10
—
10
—
ns
t
ASC
Column Address Setup Time
0
—
0
—
ns
t
CAH
Column Address Hold Time
10
—
10
—
ns
t
RCD
RAS to CAS Delay Time
20
37
20
45
ns
1
t
RAD
RAS to Column Address Delay Time
15
25
15
30
ns
2
t
RSH
RAS Hold Time
13
—
15
—
ns
t
CSH
CAS Hold Time
50
—
60
—
ns
t
CRP
CAS to RAS Precharge Time
5
—
5
—
ns
t
DZO
OE Delay Time from D
IN
0
—
0
—
ns
3
t
DZC
CAS Delay Time from D
IN
0
—
0
—
ns
3
t
T
Transition Time (Rise and Fall)
3
50
3
50
ns
4
1. Operation within the t
RCD
(max.) limit ensures that t
RAC
(max.) can be met. t
RCD
(max.) is specified as a reference point only. If t
RCD
is greater than the specified t
RCD
(max.) limit, then access time is controlled by t
CAC
.
2. Operation within the t
RAD
(max.) limit ensures that t
RAC
(max.) can be met. t
RAD
(max.) is specified as a reference point only. If t
RAD
is
greater than the specified t
RAD
(max.) limit, then access time is controlled by t
AA
.
3. Either t
DZC
or t
DZO
must be satisfied.
4. AC measurements assume t
T
=5ns.
Discontinued (9/98 - last order; 3/99 last ship)
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