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AK5916384SP-70 PDF预览

AK5916384SP-70

更新时间: 2024-01-05 12:16:11
品牌 Logo 应用领域
ACCUTEK 存储
页数 文件大小 规格书
2页 88K
描述
16,777,216 Word by 9 Bit CMOS Dynamic Random Access Memory

AK5916384SP-70 技术参数

生命周期:Contact Manufacturer零件包装代码:SIMM
包装说明:SIMM,针数:30
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.32.00.24风险等级:5.84
访问模式:PAGE其他特性:RAS ONLY/CAS BEFORE RAS REFRESH; WD-MAX
JESD-30 代码:R-XSMA-N30长度:88.905 mm
内存密度:150994944 bit内存集成电路类型:DRAM MODULE
内存宽度:9功能数量:1
端口数量:1端子数量:30
字数:16777216 words字数代码:16000000
工作模式:ASYNCHRONOUS最高工作温度:70 °C
最低工作温度:组织:16MX9
封装主体材料:UNSPECIFIED封装代码:SIMM
封装形状:RECTANGULAR封装形式:MICROELECTRONIC ASSEMBLY
认证状态:Not Qualified座面最大高度:20.7 mm
标称供电电压 (Vsup):5 V表面贴装:NO
技术:CMOS温度等级:COMMERCIAL
端子形式:NO LEAD端子节距:2.54 mm
端子位置:SINGLE宽度:5.08 mm

AK5916384SP-70 数据手册

 浏览型号AK5916384SP-70的Datasheet PDF文件第2页 
Accutek  
Microcircuit  
Corporation  
AK5916384S / AK5916384G  
16,777,216 Word by 9 Bit CMOS  
Dynamic Random Access Memory  
DESCRIPTION  
Front View  
30-Pin SIM  
The Accutek AK5916384S high density memory module is a CMOS  
random access memory organized in 16 Meg x 9 bit words. The as-  
sembly consists of nine 16 Meg x 1 DRAMs in plastic SOJ packages  
mounted on the front side of a printed circuit board in 30 pad SIM  
(leadless) or 30 pin SIP (leaded) configuration. The module is only  
0.8 inch high (same height as standard 1 Meg modules), making it  
ideally suited for applications with low height restrictions.  
1
30  
30-Pin SIP  
The operation of the AK5916384 is identical to nine 16 Meg x 1  
dynamic RAMs. For the lower eight bits data input is tied to data  
output and brought out separately for each device, with common  
RAS, CAS and WE control. This common I/O feature dictates the  
use of early-write cycles to prevent contention of D and Q. Since  
the Write-Enable (WE) signal must always go low before CAS in a  
write cycle, Read-Write and Read-Modify-Write operation is not  
possible. For the ninth bit, the data input (D9) and the data output  
(Q9) pins are brought out separately and controlled by a separate  
PCAS for that bit. Bit nine is generally used for parity.  
1
· Downward compatible with AK594096, AK591024, and  
AK59256  
· TTL-Compatible Inputs and Outputs  
· RAS-Only Refresh  
FEATURES  
· 4096 Cycle Refresh every 64mSEC  
· 16,777,216 x 9 bit organization  
· Power:  
· Optional 30 Pad leadless SIM (Single In-Line Module) or 30  
Pin leaded SIP (Single In-Line Package)  
4.45 Watt Max Active (60 nS)  
3.96 Watt Max Active (70 nS)  
49.5 mWatt Max Standby  
· JEDEC standard pinout  
· Operating free air temperature 0oC to 70oC  
· Common CAS and RAS control for the lower eight bits  
· Separate PCAS control for D9 and Q9  
· CAS-before-RAS refresh  
· Fast Page Mode  
· 8 Bit version (without parity bit) also available  
PIN NOMENCLATURE  
PIN ASSIGNMENT  
FUNCTIONAL DIAGRAM  
PIN #  
1
SYMBOL  
Vcc  
CAS  
DQ1  
A0  
PIN #  
SYMBOL  
DQ5  
A8  
DQ1 - DQ8  
D9  
Data In/Data Out  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
Data In  
2
Q9  
Data Out  
3
A9  
4
A10  
DQ6  
WE  
A0 - A11  
CAS, PCAS  
RAS  
Address Inputs  
Column Address Strobe  
Row Address Strobe  
Write Enable  
5v Supply  
5
A1  
6
DQ2  
A2  
7
Vss  
8
A3  
DQ7  
A11  
DQ8  
Q9  
WE  
9
Vss  
DQ3  
A4  
Vcc  
10  
11  
12  
13  
14  
15  
Vss  
Ground  
A5  
RAS  
PCAS  
D9  
NC  
No Connect  
DQ4  
A6  
MODULE OPTIONS  
A7  
Vcc  
Leadless SIM: AK5916384S  
Leaded SIP: AK5916384G  

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