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AK5328192BWP-50 PDF预览

AK5328192BWP-50

更新时间: 2024-02-14 21:18:04
品牌 Logo 应用领域
ACCUTEK 动态存储器
页数 文件大小 规格书
2页 78K
描述
DRAM

AK5328192BWP-50 数据手册

 浏览型号AK5328192BWP-50的Datasheet PDF文件第2页 
Accutek  
Microcircuit  
Corporation  
AK5328192BW  
8,388,608 Word by 32 Bit CMOS  
Dynamic Random Access Memory  
DESCRIPTION  
The Accutek AK5328192BW high density memory module is a  
CMOS dynamic RAM organized in 8,192K x 32 bit words. The mod-  
ule consists of four standard 4 Meg x 16 bits DRAMs in plastic  
TSOP packages. The assembly has two 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 AK5328192BW is identical to sixteen 4 Meg x 4  
DRAMs. There are four CAS lines and four RAS lines. On each  
bank of 4 Meg x 32, independent byte control is accomplished by  
four CAS lines. Each seperate CAS line controls one byte of the  
4 Meg x 16 Dram.  
FEATURES  
· Power:  
1.342 Watt Max Active (50nS)  
1.232 Watt Max Active (60 nS)  
44 mW Max Standby  
· 8,388,608 x 32 bit organization  
· 72 pad Single In-Line Module  
· CAS-before-RAS, RAS-only or hidden refresh  
· Operating free air temperature 0oC to 70oC  
· Single 3.3 Volt Power Supply  
· 4096 Refresh Cycles, 32 mSEC  
· Available in Fast Page Mode  
· Upward compatible with AK53216384W  
· Downward compatible with AK5324096W, AK5322048W,  
AK5321024W, AK532512W and AK532256W  
ADDITIONAL OPTIONS AVAILABLE  
· Available in EDO  
4 Meg x 32 version, AK5324096BW  
PIN NOMENCLATURE  
PIN ASSIGNMENT  
A0 - A9  
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  
NC  
PIN #  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
SYMBOL  
DQ17  
DQ35  
Vss  
PIN #  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
SYMBOL  
DQ12  
DQ30  
DQ13  
DQ31  
Vcc  
DQ0 - DQ35  
WE  
Data In/Data Out  
Write Enable  
2
DQ0  
DQ18  
DQ1  
DQ19  
DQ2  
DQ20  
DQ3  
DQ21  
Vcc  
DQ4  
DQ22  
DQ5  
DQ23  
DQ6  
DQ24  
DQ7  
DQ25  
A7  
3
4
CAS0  
CAS2  
CAS3  
CAS1  
RAS0  
RAS1  
NC  
RAS0 - RAS3  
CAS0 - CAS3  
PD1 - PD4  
Vss  
Row Address Strobe  
Column Address Strobe  
Presence Detect  
Ground  
5
6
DQ32  
DQ14  
DQ33  
DQ15  
DQ34  
DQ16  
NC  
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
NC  
NC  
WE  
Vcc  
3.3v Supply  
A0  
Vcc  
NC  
A1  
A8  
DQ9  
PD1  
NC  
No Connect  
A2  
A9  
DQ27  
DQ10  
DQ28  
DQ11  
DQ29  
PD1  
A3  
RAS3  
RAS2  
DQ26  
DQ8  
PD3  
A4  
PD4  
MODULE OPTIONS  
A5  
NC  
A6  
Vss  
Leadless SIM: AK5328192BW  
Leaded ZIP: AK5328192BZ  
Presence Detect  
Input Capacitance  
C Address  
35 pF  
-50  
-60  
PD1  
PD2  
PD3  
PD4  
NC  
Vss  
Vss  
Vss  
NC  
Vss  
NC  
NC  
C WE  
43 pF  
C RAS0 - RAS3  
C CAS0 - CAS3  
C DQ0 - DQ35  
27 pF  
27 pF  
27 pF  

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