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PDF MSM66V84B Data sheet ( Hoja de datos )
| Número de pieza | MSM66V84B | |
| Descripción | 4194304-word x 1-bit Serial Register | |
| Fabricantes | OKI electronic componets | |
| Logotipo |  |
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E2D0036-39-21
¡¡SemicondSucetormiconductor
MSM66V84B
4,194,304-word x 1-bit Serial Register
This versionM: SFMeb6. 61V99894B
Previous version: May. 1997
GENERAL DESCRIPTION
MSM66V84B is a serial register organized as 4,194,304 words x one bit, characterized by medium-
speed, low power consumption operation.
This device has a built-in internal address generation circuit allowing continuous serial read/write
operation by external clock input.
Read/write operation causes the internal address to be incremented automatically by +1.
External address input enables addressing in units of 1024 words. Furthermore, a refresh timer and
a refresh address counter are installed, which makes an external refresh circuit unnecessary. In
addition, this configuration allows lower power consumption.
The device is packaged in 26/20-pin SOJ or 26/20 TSOP having a width of 300 mil.
It is well adapted for storing much data by means of a battery backup. Its combination with our
recording and playback LSI enables the easy implementation of a solid recording and playback
system.
FEATURES
• Configuration
4,194,304 x 1 bit
• Serial access operation
Serial access time
: 1.5 ms
Serial read/write time : 2.5 ms
• Low current drain
100 mA max. (VCC = 3.6 V with data stored and under standard conditions)
• Refresh operation
A self-refresh function is supported.
• Wide operation voltage range
Single 2.7 to 3.6 V
• Addressing
Units of 1024 words
• Process
0.45 mm double well CMOS process
• Package options :
26/20-pin plastic SOJ (SOJ26/20-P-300-1.27) (Product name : MSM66V84BJS)
26/20-pin plastic TSOP (TSOPII26/20-P-300-1.27-K) (Product name : MSM66V84BTS-K)
1/10
1 page  
¡ Semiconductor
AC Characteristics
Parameter
Read/Write Cycle Time
Access Time
Output Turn-off Delay Time
I/O Signal Rise Time
RWCK Pre-charge Time
RWCK Pulse Time
SAS Cycle Time
SAS Pre-charge Time
SAS Pulse Width
Address Setup Time
Adress Hold Time
TAS Setup Time
TAS . RWCK Setup Time
TAS Pulse Width
Read Instruction Setup Time
Read Instruction Hold Time
Write Instruction Setup Time
Write Instruction Hold Time
Write Instruction Pulse Width
WE. RWCK Read Time
Data Setup Time
Data Hold Time
RWCK. WE Delay Time
Symbol
tRWC
tACC
tOFF
tT
tRWP
tRW
tSSC
tSAP
tSAS
tAS
tAH
tATS
tTRS
tTAS
tRRS
tRRH
tWRS
tWRH
tWP
tRWL
tDS
tDH
tRWD
Min.
2,500
—
0
3
1,000
1,500
100
50
50
0
50
50
50
50
0
250
0
50
50
50
0
50
50
MSM66V84B
(VCC = 2.7 V to 3.6 V, Ta = 0 to 70°C)
Max.
Units
— ns
1,500
ns
50 ns
50 ns
— ns
10,000
ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
— ns
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5 Page 
E2Y0002-29-11
NOTICE
1. The information contained herein can change without notice owing to product and/or
technical improvements. Before using the product, please make sure that the information
being referred to is up-to-date.
2. The outline of action and examples for application circuits described herein have been
chosen as an explanation for the standard action and performance of the product. When
planning to use the product, please ensure that the external conditions are reflected in the
actual circuit, assembly, and program designs.
3. When designing your product, please use our product below the specified maximum
ratings and within the specified operating ranges including, but not limited to, operating
voltage, power dissipation, and operating temperature.
4. Oki assumes no responsibility or liability whatsoever for any failure or unusual or
unexpected operation resulting from misuse, neglect, improper installation, repair, alteration
or accident, improper handling, or unusual physical or electrical stress including, but not
limited to, exposure to parameters beyond the specified maximum ratings or operation
outside the specified operating range.
5. Neither indemnity against nor license of a third party’s industrial and intellectual property
right, etc. is granted by us in connection with the use of the product and/or the information
and drawings contained herein. No responsibility is assumed by us for any infringement
of a third party’s right which may result from the use thereof.
6. The products listed in this document are intended for use in general electronics equipment
for commercial applications (e.g., office automation, communication equipment,
measurement equipment, consumer electronics, etc.). These products are not authorized
for use in any system or application that requires special or enhanced quality and reliability
characteristics nor in any system or application where the failure of such system or
application may result in the loss or damage of property, or death or injury to humans.
Such applications include, but are not limited to, traffic and automotive equipment, safety
devices, aerospace equipment, nuclear power control, medical equipment, and life-support
systems.
7. Certain products in this document may need government approval before they can be
exported to particular countries. The purchaser assumes the responsibility of determining
the legality of export of these products and will take appropriate and necessary steps at their
own expense for these.
8. No part of the contents cotained herein may be reprinted or reproduced without our prior
permission.
9. MS-DOS is a registered trademark of Microsoft Corporation.
Copyright 1999 Oki Electric Industry Co., Ltd.
Printed in Japan
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet MSM66V84B.PDF ] | |
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