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AK62464Z/3.3-12 PDF预览

AK62464Z/3.3-12

更新时间: 2024-11-21 20:52:19
品牌 Logo 应用领域
ACCUTEK 静态存储器
页数 文件大小 规格书
2页 179K
描述
SRAM

AK62464Z/3.3-12 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

AK62464Z/3.3-12 数据手册

 浏览型号AK62464Z/3.3-12的Datasheet PDF文件第2页 
Accutek  
Microcircuit  
Corporation  
AK62464Z  
65,536 x 24 Bit CMOS/BiCMOS  
Static Random Access Memory  
DESCRIPTION  
64-Pin ZIP  
The Accutek AK62464 SRAM Module consists of fast high perfor-  
mance SRAMs mounted on a low profile, 64 pin ZIP Board. The  
module utilizes six 28 pin 64K x 4 SRAMs in 300 mil SOJ packages  
and three decoupling capacitors mounted on the top side and two  
28 pin 64K x 4 SRAMs in 300 mil SOJ packages and three decoup-  
ling capacitors mounted on the bottom side of a printed circuit  
board.  
Front View  
1
32  
33  
64  
Rear View  
The SRAMs used have common I/O functions and single output en-  
able functions. Also, three separate chip select (CE) connections  
are used to independently enable the three bytes. The modules can  
be supplied in a variety of access time values from 8nSEC to  
20nSEC in CMOS or BiCMOS technology.  
64  
33  
32  
1
The Accutek module is designed to have a maximum seated height  
of 0.500 inch to provide for the lowest height off the board. The  
modules conform to JEDEC - standard sizes and pin-out configura-  
tions. Using two pins for module memory density identification, PD0  
and PD1, minimizes interchangeability and design considerations  
when changing from one module size to the other in customer appli-  
cations.  
· Presence Detect, PD0 and PD1 for identifying module density  
· Fast Access Times range from 8 nSEC BiCMOS to 20 nSEC  
CMOS  
· TTL-compatible inputs and outputs  
· Single 5 volt power supply - AK62464Z  
· Single 3.3 volt power supply - AK62464Z/3.3  
· Operating temperature range in free air, 00C to 700C  
FEATURES  
· 65,536 x 24 bit organization  
· JEDEC Standard 64 pin ZIP format  
· Power  
900 mA Max Active (12 nS)  
840 mA Max Active (15 nS)  
780 mA Max Active (20 nS)  
240 mA Max Standby (Cycling)  
12 mA Max Standby (f=0MHZ)  
· Common I/O, single OE functions with four separate chip  
selects (CE)  
· Low height 0.500 inch maximum  
· Upward compatible with  
PIN NOMENCLATURE  
PIN ASSIGNMENT  
FUNCTIONAL DIAGRAM  
PIN #  
1
SYMBOL  
Vss  
PD0  
PD1  
DQ1  
NC  
PIN #  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
SYMBOL  
A2  
PIN #  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
SYMBOL  
NC  
PIN #  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
SYMBOL  
A4  
A0 - A15  
CE1 - CE3  
DQ1 - DQ24  
OE  
Address Inputs  
Chip Enable  
Data In/Data Out  
Output Enable  
Presence Detect  
Power Supply  
Ground  
2
A9  
CE3  
NC  
A11  
A5  
3
DQ9  
DQ5  
DQ10  
DQ6  
DQ11  
DQ7  
DQ12  
DQ8  
Vss  
4
NC  
A12  
Vcc  
A13  
5
OE  
PD0 - PD1  
Vcc  
6
DQ2  
NC  
Vss  
7
DQ13  
DQ17  
DQ14  
DQ18  
DQ15  
DQ19  
DQ16  
DQ20  
A3  
A6  
8
DQ3  
NC  
DQ21  
NC  
Vss  
9
WE  
Write Enable  
No Connect  
10  
11  
12  
13  
14  
15  
16  
DQ4  
NC  
DQ22  
NC  
NC  
Vcc  
A0  
WE  
DQ23  
NC  
A15  
MODULE OPTIONS  
A7  
A14  
DQ24  
NC  
A1  
CE2  
CE1  
Leadless ZIP:  
AK62464Z  
A8  
A10  
Vss  
PD0 = Open  
PD1 = Vss  

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