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AK5324096W4K PDF预览

AK5324096W4K

更新时间: 2024-02-29 10:32:43
品牌 Logo 应用领域
ACCUTEK 存储
页数 文件大小 规格书
2页 74K
描述
4,194,304 Word by 32 Bit CMOS Dynamic Random Access Memory

AK5324096W4K 数据手册

 浏览型号AK5324096W4K的Datasheet PDF文件第2页 
Accutek  
Microcircuit  
Corporation  
AK5324096W  
4,194,304 Word by 32 Bit CMOS  
Dynamic Random Access Memory  
DESCRIPTION  
The Accutek AK5324096W high density memory module is a  
CMOS Dynamic RAM organized in 4096K x 32 bit words. The mod-  
ule consists of eight standard 4 Meg x 4 DRAMs in plastic SOJ pack-  
ages mounted on the front surface of a printed circuit board with a  
low profile height of only 0.875" in a 72 pin leadless SIM configura-  
tion. This configuration allows socket-mounting of large quantities  
of memory in applications where high density and ease of inserting  
additional memory are important.  
+
+
1
72  
The operation of the AK5324096W is identical to eight 4 Meg x 4  
drams. There are four CAS lines and two RAS lines. Independent  
byte control is accomplished by four CAS lines. Each separate CAS  
line controls two of the 4 Meg x 4 DRAMs to form an 8 bit byte. The  
bank of 32 bits is controlled by the two RAS lines. A sixteen bit data  
path can be produced by connecting DQ0 to DQ16, DQ1 to DQ17  
etc. and alternately strobing RAS0 with RAS2.  
,
· 2048 Refresh Cycles, 32 mSEC  
· Available in Fast Page Mode and EDO  
· Available in leadless SIM or leaded ZIP versions  
FEATURES  
· 4,194,304 x 32 bit organization  
· Downward compatible with AK5322048W, AK5321024W,  
AK532512W and AK536256W  
· Low profile board height of 0.875 inch  
· 72 pad Single In-Line Module  
· Upward compatible with AK5328192W, AK53216384 and  
AK53232768  
· Multiple CAS and RAS lines allow x16 or x32 bit widths  
· Operating free air temperature 00C to 700C  
· Power  
5.28 Watt Max Active (60nS)  
4.40 Watt Max Active (70 nS)  
44 mW Max Standby  
ADDITIONAL OPTIONS AVAILABLE  
4 Meg x 32 version, using 4K Refresh Drams, AK5324096W4K  
· CAS-before-RAS, RAS-only or hidden refresh  
· Single 5 Volt Power Supply  
PIN NOMENCLATURE  
PIN ASSIGNMENT  
A0 - A10  
DQ0 - DQ31  
CAS0 - CAS3  
RAS0, RAS2  
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 Our  
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  
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  
NC  
WE  
A0  
Vcc  
NC  
A1  
A8  
DQ8  
DQ24  
DQ9  
DQ25  
DQ10  
DQ26  
PD1  
Vss  
Ground  
A2  
A9  
PD2  
NC  
No Connect  
A3  
NC  
PD3  
A4  
RAS2  
NC  
PD4  
A5  
NC  
A6  
NC  
Vss  
MODULE OPTIONS  
Presence Detect -  
Leadless SIM: AK5324096W  
Leaded ZIP: AK5324096Z  
-60  
-70  
PD1  
PD2  
PD3  
PD4  
Vss  
NC  
NC  
NC  
Vss  
NC  
Vss  
NC  

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