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AK5328192W_09 PDF预览

AK5328192W_09

更新时间： 2024-09-29 12:55:55
品牌 Logo 应用领域
ACCUTEK 存储
页数 文件大小 规格书
2页 75K
描述
Dynamic Random Access Memory

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AK5328192W_09 数据手册

 浏览型号AK5328192W_09的Datasheet PDF文件第2页 
AK5328192W  
8,388,608 by 32 Bit CMOS  
Dynamic Random Access Memory  
ACCUTEK  
MICROCIRCUIT CORPORATION  
DESCRIPTION  
The Accutek AK5328192W high density memory module is a  
CMOS dynamic RAM organized in 8192K x 32 bit words. The mod-  
ule consists of sixteen standard 4 Meg x 4 DRAMs in plastic SOJ  
packages. The assembly has eight drams mounted on each side of  
a printed circuit board in a 72 pad leadless SIM configuration.  
+
+
This configuration allows socket-mounting of large quantities of  
memory in applications where high density and ease of inserting ad-  
ditional memory are important.  
1
72  
The operation of the AK5328192W is identical to sixteen 4M x 4  
Drams. There are four CAS lines and four RAS lines. On each bank  
of 4M x 32, independent byte control is accomplished by four CAS  
lines. Each separate CAS line controls two 4M x 4 Drams to form an  
8 bit byte. Two banks of 32 bits are controlled by the two pairs of  
RAS lines. A sixteen bit data path can be produced by connecting  
DQ0 to DQ16, DQ1 to DQ17, etc. and alternately strobing RAS0 with  
RAS1 and RAS2 with RAS3.  
· Single 5 Volt Power Supply  
· 2048 Refresh Cycles, 32 mSEC  
· 4096 Refresh Cycles, 64 mSEC available for all module sizes  
· Available in Fast Page Mode and EDO  
FEATURES  
· 8,388,608 x 32 bit organization  
· Available in leadless (W) or leaded Zip (Z) versions  
· 72 pad Single In-Line Module  
· Downward compatible with AK5324096, AK5322048,  
AK5321024, AK532512 andAK532256  
· Multiple CAS and RAS lines allow x16 or x32 bit widths  
· CAS-before-RAS, RAS-only or hidden refresh  
EXAMPLES  
· Power  
AK5328192WP-60  
5.32 Watt Max Active (60nS)  
4.48 Watt Max Active (70 nS)  
88 mW Max Standby  
8 Meg x 32 CMOS DynamicRAM, SIM, Page Mode, Commercial 60  
nSEC Access Time  
· Operating free air temperature 0oC to 70oC  
PIN NOMENCLATURE  
PIN ASSIGNMENT  
A0 - A10  
DQ0 - DQ31  
CAS0 - CAS3  
RAS0 - RAS3  
WE  
Address Inputs  
PIN #  
1
SYMBOL  
Vss  
PIN #  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
SYMBOL  
A10  
PIN #  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
SYMBOL  
NC  
PIN #  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
SYMBOL  
DQ11  
DQ27  
DQ12  
DQ28  
Vcc  
Data In/Data Out  
Column Address Strobe  
Row Address Strobe  
Write Enable  
2
DQ0  
DQ16  
DQ1  
DQ17  
DQ2  
DQ18  
DQ3  
DQ19  
Vcc  
DQ4  
DQ20  
DQ5  
DQ21  
DQ6  
DQ22  
DQ7  
DQ23  
A7  
NC  
3
Vss  
4
CAS0  
CAS2  
CAS3  
CAS1  
RAS0  
RAS1  
NC  
5
6
DQ29  
DQ13  
DQ30  
DQ14  
DQ31  
DQ15  
NC  
7
8
OE  
Output Enable  
Presence Detect  
5v Supply  
9
PD1 - PD4  
Vcc  
10  
11  
12  
13  
14  
15  
16  
17  
18  
NC  
NC  
WE  
A0  
Vcc  
NC  
A1  
A8  
DQ8  
PD1  
Vss  
Ground  
A2  
A9  
DQ24  
DQ9  
PD2  
NC  
No Connect  
A3  
RAS3  
RAS2  
NC  
PD3  
A4  
DQ25  
DQ10  
DQ26  
PD4  
A5  
NC  
A6  
NC  
Vss  
MODULE OPTIONS  
Presence Detect -  
Leadless SIM: AK5328192W  
Leaded ZIP: AK5328192Z  
-60  
-70  
PD1  
PD2  
PD3  
PD4  
NC  
Vss  
NC  
NC  
NC  
Vss  
Vss  
NC  
12

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