參數(shù)資料
型號(hào)： IBM0116400B
廠商： IBM Microeletronics
英文描述： 4M x 4 12/10 DRAM(16M位 動(dòng)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(dòng)態(tài)隨機(jī)存儲(chǔ)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)： 10/28頁
文件大小： 512K
代理商： IBM0116400B
IBM0116400
IBM0116400B
4M x 4 12/10 DRAM
IBM0116400M
IBM0116400P
IBM Corporation. All rights reserved.
Use is further subject to the provisions at the end of this document.
Page 10 of 28
43G9396
SA14-4203-06
Revised 4/97
Read-Modify-Write Cycle
Symbol
Parameter
-50
-60
Units
Notes
Min.
Max.
Min.
Max.
t
RWC
Read-Modify-Write Cycle Time
128
—
150
—
ns
t
RWD
RAS to WE Delay Time
68
—
80
—
ns
1
t
CWD
CAS to WE Delay Time
31
—
35
—
ns
1
t
AWD
Column Address to WE Delay Time
43
—
50
—
ns
1
t
OEH
OE Command Hold Time
13
—
15
—
ns
1. t
WCS
, t
RWD
, t
CWD
, t
AWD
and t
CPW
are not restrictive operating parameters. They are included in the data sheet as electrical charac-
teristics only. If t
WCS
≥
t
WCS
(min), the cycle is an early write cycle and the data pin will remain open circuit (high impedance)
through the entire cycle. If t
RWD
≥
t
RWD
(min), t
CWD
≥
t
CWD
(min), t
AWD
≥
t
AWD
(min), and t
CPW
≥
t
CPW
(min)(Fast Page Mode), the
cycle is a Read-Modify-Write cycle and the data out will contain data read from the selected cell. If neither of the above sets of con-
ditions are satisfied, the condition of the data out (at access time) is indeterminate.
Fast Page Mode Cycle
Symbol
Parameter
-50
-60
Units
Notes
Min.
Max.
Min.
Max.
t
PC
Fast Page Mode Cycle Time
35
—
40
—
ns
t
RASP
Fast Page Mode RAS Pulse Width
50
200K
60
200K
ns
t
CPA
Access Time from CAS Precharge
—
28
—
35
ns
1
t
CPRH
RAS Hold Time from CAS Precharge
30
—
35
—
ns
1. Measured with the specified current load and 100pF.
Fast Page Mode Read-Modify-Write Cycle
Symbol
Parameter
-50
-60
Units
Notes
Min.
Max.
Min.
Max.
t
PRWC
Fast Page Mode Read-Modify-Write
Cycle Time
71
—
80
—
ns
t
CPW
WE Delay Time from CAS Precharge
48
—
55
—
ns
1
1. t
WCS
, t
RWD
, t
CWD
, t
AWD
and t
CPW
are not restrictive operating parameters. They are included in the data sheet as electrical charac-
teristics only. If t
WCS
≥
t
WCS
(min), the cycle is an early write cycle and the data pin will remain open circuit (high impedance)
through the entire cycle. If t
RWD
≥
t
RWD
(min), t
CWD
≥
t
CWD
(min), t
AWD
≥
t
AWD
(min), and t
CPW
≥
t
CPW
(min)(Fast Page Mode), the
cycle is a Read-Modify-Write cycle and the data out will contain data read from the selected cell. If neither of the above sets of con-
ditions are satisfied, the condition of the data out (at access time) is indeterminate.
Discontinued (9/98 - last order; 3/99 last ship)
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