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參數(shù)資料
| 型號： | AK68512D1C |
| 廠商： | Accutek Microcircuit Corporation |
| 英文描述： | 524,288 x 8 Bit CMOS Static Random Access Memory |
| 中文描述： | 524288 × 8位CMOS靜態(tài)隨機存取存儲器 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 133K |
| 代理商： | AK68512D1C |
DESCRIPTION
ACCUTEK
The Accutek AK68512D1C high density memory module is a static
random access memory organized in 512K x 8 bit words. The as-
sembly consists of one medium speed 512K x 8 SRAM in a TSOP
Type 2 package. The module is supplied in a 600 mil wide, 32 pin
DIP(DualIn-LinePackage)configuration. Thispinoutiscompletely
compatible with industry standard monolithic designs. These mod-
ules are intended for use in applications where limited board space
dictates compact module designs.
The operation of the AK68512D1C is identical to standard mono-
lithic 8 bit word wide SRAMs.
The AK68512D1C offers the features of low power and medium
speed by using CMOS devices and makes high density mounting
possible with no surface mount technology.
FEATURES
524,288 x 8 bit organization
Fast access time: 55 - 70 nSEC
Completely static RAM, no clock or timing strobe required
Inputs and outputs TTL compatible
Conventional 600 mil wide SIP package with industry
compatible pinout
Single 5 volt power supply - AK68512D1C
Single 3.3 volt power supply - AK68512D1C/3.3
Operating free air temperature 0
0
to 70
0
C
ELECTRICAL SPECIFICATIONS
Timing diagrams and basic electrical characteristics are those of
the standard 512K x 8 SRAMs used to construct these modules.
Accutek’s module design allows the flexibility of selecting indus-
try-compatible 512K x 8 SRAMs from any of a number of semicon-
ductor manufacturers.
MICROCIRCUIT CORPORATION
AK68512D1C
524,288 x 8 Bit CMOS
Static Random Access Memory
PIN NOMENCLATURE
DQ
1
- DQ
8
Data In/Data Out
A
0
- A
18
Adress Inputs
CE
Chip Enable
WE
Write Enable
Vcc
5v Supply
Vss
Ground
OE
Output Enable
TIMING OPTIONS
55 nSEC Access Time
70 nSEC Access Time
PIN ASSIGNMENT
FUNCTIONAL DIAGRAM
A
A
A
A
A
A
A
A
A
A
A
A
DQ
DQ
DQ
V
18
16
14
12
7
6
5
4
3
2
1
0
1
2
3
SS
V
A
A
WE
A
A
A
A
OE
A
CE
DQ
DQ
DQ
DQ
DQ
CC
15
17
13
8
9
11
10
8
7
6
5
4
Top View
1
3
A18
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ1
DQ2
DQ3
Vss
Vcc
A15
A17
WE
A13
A8
A9
A11
OE
A10
CE
DQ8
DQ7
DQ6
DQ5
DQ4
0.22uF CAPACITOR
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