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AK63264W72G-30 PDF预览

AK63264W72G-30

更新时间: 2024-09-17 15:27:47
品牌 Logo 应用领域
ACCUTEK 静态存储器
页数 文件大小 规格书
2页 270K
描述
SRAM

AK63264W72G-30 技术参数

生命周期:Contact Manufacturer包装说明:,
Reach Compliance Code:compliant风险等级:5.8
Base Number Matches:1

AK63264W72G-30 数据手册

 浏览型号AK63264W72G-30的Datasheet PDF文件第2页 
AK63264W-72  
65,536 x 32 Bit CMOS/BiCMOS  
72 Pin Format  
ACCUTEK  
MICROCIRCUIT CORPORATION  
Static Random Access Memory  
DESCRIPTION  
The Accutek AK63264W-72 SRAM Module consists of fast high  
performance SRAMs mounted on a low profile, 72 pin SIM Board.  
The module utilizes eight 28 pin 64K x 4 SRAMs in SOJ packages  
and four decoupling capacitors mounted on each side of a printed  
circuit board.  
The SRAMs used have common I/O functions and single output en-  
able functions. Also, four separate chip select (CE) connections are  
used to independently enable the four bytes. The modules can be  
supplied in a variety of access time values from 12 nSEC to  
45 nSEC in CMOS or BiCMOS technology.  
The Accutek module is designed to have a maximum seated height  
of 0.600 inch to provide for the lowest height off the board. By off-  
set-mounting the back surface SRAMs the module can be mounted  
in either angled or straight-up SIM sockets. The module conforms  
to JEDEC standard sizes and pin-out configurations. Using twopins  
for module memory density identification, PD0 and PD1, minimizes  
interchangeability and design considerations when changing from  
one module size to another in customer applications.  
· Downward compatible with 128K x 32 (AK632128) and  
32K x 32 (AK63232)  
· Presence Detect PD0 and PD1 for identifying module density  
· Fast access times range from 12 nSEC BiCMOS to 45 nSEC  
CMOS  
· Single 5 volt power supply - AK63264W-72  
· Single 3.3 volt power supply - AK63264W-72/3.3  
· Operating temperature range in free air, 00C to 700C  
· Available with solder or gold leads  
FEATURES  
· 65,536 x 32 bit organization  
· JEDEC Standardized 72 pin SIM or ZIP pinout  
· Common I/O, single OE functions with four separate chip  
ELECTRICAL SPECIFICATIONS  
selects (CE)  
Timing diagrams and basic electrical characteristics are those of the  
standard 64K x 4 SRAMs used to construct these modules. Accutek’s  
module design allows the flexibility of selecting industry-compatible  
64K x 4 SRAMs from several semiconductor manufacturers.  
· Low height, 0.600 inch maximum  
· Upward compatible with 256K x 32 (AK632256) 512K x 32  
(AK632512) and 1 Meg x 32 (AK6321024)  
· TTL-compatible inputs and outputs  
PIN NOMENCLATURE  
PIN ASSIGNMENT  
FUNCTIONAL DIAGRAM  
PIN #  
1
SYMBOL  
NC  
PIN #  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
SYMBOL  
A1  
PIN #  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
SYMBOL  
CE4  
CE3  
NC  
PIN #  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
SYMBOL  
A5  
A0 - A15  
CE1 - CE4  
DQ1 - DQ32  
OE  
Address Inputs  
Chip Enable  
Data In/Data Out  
Output Enable  
Presence Detect  
Power Supply  
Ground  
2
NC  
A8  
A12  
3
NC  
A2  
Vcc  
4
NC  
A9  
NC  
A13  
5
Vss  
DQ13  
DQ5  
DQ14  
DQ6  
DQ15  
DQ7  
DQ16  
DQ8  
Vss  
OE  
A6  
PD0 - PD3  
Vcc  
6
PD0  
PD1  
DQ1  
DQ9  
DQ2  
DQ10  
DQ3  
DQ11  
DQ4  
DQ12  
Vcc  
Vss  
DQ21  
DQ29  
DQ22  
DQ38  
DQ23  
DQ31  
DQ24  
DQ32  
Vss  
7
DQ25  
DQ17  
DQ26  
DQ18  
DQ27  
DQ19  
DQ28  
DQ20  
A3  
8
Vss  
9
WE  
Write Enable  
No Connect  
10  
11  
12  
13  
14  
15  
16  
17  
18  
NC  
MODULE OPTIONS  
WE  
A15  
A14  
CE2  
CE1  
NC  
Leadless SIM: AK63264W-72  
A10  
NC  
A0  
A4  
NC  
A7  
A11  
NC  
PD0 = Open  
PD1 = Vss  

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