5秒后页面跳转
AK5321024 PDF预览

AK5321024

更新时间: 2024-02-20 16:18:03
品牌 Logo 应用领域
ACCUTEK 存储
页数 文件大小 规格书
2页 69K
描述
262,144 Word by 32 Bit CMOS Dynamic Random Access Memory

AK5321024 数据手册

 浏览型号AK5321024的Datasheet PDF文件第2页 
Accutek  
Microcircuit  
Corporation  
AK532256W  
262,144 Word by 32 Bit CMOS  
Dynamic Random Access Memory  
DESCRIPTION  
The Accutek AK532256W high density memory module is a CMOS  
dynamic RAM organized in 256K x 32 bit words. The module con-  
sists of eight standard 256K x 4 DRAMs in plastic SOJ packages.  
The assembly has eight drams mounted on the front side of a  
printed circuit board in a 72 pad leadless SIM configuration.  
The operation of the AK532256W is identical to eight 256K x 4  
DRAMs. There are four CAS lines and two RAS lines. Independent  
byte control is accomplished by four CAS lines. Each seperate CAS  
line controls two 256K 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 DQ1 to DQ17, DQ2 to DQ18 and alter-  
nately strobing RAS0 with RAS2.  
+
+
+
· Available in Fast Page Mode, EDO and Static Column Mode  
versions  
FEATURES  
· Available in leadless SIM or leaded Zip versions  
· 262,144 x 32 bit organization  
· Upward compatible with AK532512, AK5321024, AK5322048,  
AK5324096 and AK5328192  
· 72 pin Single In-Line Module  
· Multiple CAS and RAS lines allow x16 or x32 bit widths  
· CAS-before-RAS Refresh, RAS-only Refresh or Hidden refresh  
· Operating free air temperature 0oC to 70oC  
· Single 5 Volt Power Supply  
ADDITIONAL OPTIONS AVAILABLE  
· 512K x 32 version, AK532512  
· 1 Meg x 32 version, AK5321024  
· 2 Meg x 32 version, AK5322048  
· 4 Meg x 32 version, AK5324096  
· 8 Meg x 32 version, AK5328192  
· 512 Refresh Cycles, 8mSEC  
· Power  
2.00 Watt Max Active (60nS)  
1.78 Watt Max Active (70 nS)  
1.562 Watt Max Active (80 nS)  
44 mW Max Standby  
PIN NOMENCLATURE  
PIN ASSIGNMENT  
A0 - A8  
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  
NC  
PIN #  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
SYMBOL  
DQ12  
DQ28  
DQ13  
DQ29  
Vcc  
DQ1 - DQ32  
CAS0 - CAS3  
RAS0, RAS2  
WE  
Data In/Data Out  
Column Address Strobe  
Row Address Strobe  
Write Enable  
2
D1  
DQ5  
DQ21  
DQ6  
DQ22  
DQ7  
DQ23  
DQ8  
DQ24  
A7  
NC  
3
DQ17  
DQ2  
DQ18  
DQ3  
DQ19  
DQ4  
DQ20  
Vcc  
Vss  
4
CAS0  
CAS2  
CAS3  
CAS1  
RAS0  
NC  
5
6
DQ30  
DQ14  
DQ31  
DQ15  
DQ32  
DQ16  
NC  
7
8
PD1 - PD4  
Vcc  
Presence Detect  
5v Supply  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
NC  
NC  
NC  
WE  
Vss  
Ground  
A0  
Vcc  
NC  
A1  
A8  
DQ9  
DQ25  
DQ10  
DQ26  
DQ11  
DQ27  
PD1  
NC  
No Connect  
A2  
NC  
PD2  
A3  
NC  
PD3  
A4  
RAS2  
NC  
PD4  
MODULE OPTIONS  
A5  
NC  
A6  
NC  
Vss  
Leadless SIM: AK532256W  
Leaded ZIP: AK532256WZ  
Presence Detect -  
-60  
-70  
-80  
PD1  
PD2  
PD3  
PD4  
Vss  
NC  
NC  
NC  
Vss  
NC  
Vss  
NC  
Vss  
NC  
NC  
Vss  

与AK5321024相关器件

型号 品牌 获取价格 描述 数据表
AK5321024AWK-60 ACCUTEK

获取价格

DRAM Module, 1MX32, 60ns, CMOS, SIMM-72
AK5321024AWK-70 ACCUTEK

获取价格

DRAM Module, 1MX32, 70ns, CMOS, SIMM-72
AK5321024AWK-80 ACCUTEK

获取价格

DRAM Module, 1MX32, 80ns, CMOS, SIMM-72
AK5321024AWP-60 ACCUTEK

获取价格

Fast Page DRAM Module, 1MX32, 60ns, CMOS, SIMM-72
AK5321024AWP-70 ACCUTEK

获取价格

Fast Page DRAM Module, 1MX32, 70ns, CMOS, SIMM-72
AK5321024AWP-80 ACCUTEK

获取价格

Fast Page DRAM Module, 1MX32, 80ns, CMOS, SIMM-72
AK5321024BW ACCUTEK

获取价格

1,048,576 Word by 32 Bit CMOS Dynamic Random Access Memory
AK5321024BW_09 ACCUTEK

获取价格

Dynamic Random Access Memory
AK5321024BWE-50 ACCUTEK

获取价格

DRAM
AK5321024BWE-60 ACCUTEK

获取价格

DRAM