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PDF MSM27C3255CZ Data sheet ( Hoja de datos )
| Número de pieza | MSM27C3255CZ | |
| Descripción | Page Mode One Time PROM | |
| Fabricantes | OKI electronic componets | |
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¡ Semiconductor
1A
MSM27C3255CZ
1,048,576-Double Word x 32-Bit or 2,097,152-Word x 16-Bit
4-Double Word x 32-Bit or 8-Word x 16-Bit Page Mode One Time PROM
DESCRIPTION
The MSM27C3255CZ is a 32Mbit electrically Programmable Read-Only Memory with page mode.
Its configuration can be electrically switched between 1,048,576 double word x 32bit and 2,097,152
word x 16bit. The MSM27C3255CZ operates on a single +5V power supply and is TTL compatible.
The MSM27C3255CZ provides Page mode which can greatly reduce the read access time. Since
the MSM27C3255CZ operates asynchronously , external clocks are not required , making this device
easy-to-use. The MSM27C3255CZ is suitable as large-capacity fixed memory for microcomputers
and data terminals. It is manufactured using a CMOS double silicon gate technology and is offered in
70-pin SSOP package.
FEATURES
• 1,048,576 double word x 32bit / 2,097,152 word x 16bit electrically switchable configuration
• Single +5V power supply
• Access time 100ns
Page mode access time 30ns
• Input / Output TTL compatible
• Three-state output
www.DataSheet4U.com• Packages
70-pin plastic SSOP (SSOP70-P-500-0.80-K)
1
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MSM27C3255CZ
ELECTRICAL CHARACTERISTICS (Read operation)
DC Characteristics
Parameter
Input leakage current
Output leakage current
VCC power supply current
(Standby)
VCC power supply current
(Read)
VPP power supply current
Input "H" level
Input "L" level
Output "H" level
Output "L" level
Voltage is relative to Vss
Symbol
ILI
ILO
ICS1
ICS2
ICCA
IPP
VIH
VIL
VOH
VOL
Condition
VI=0 to Vcc
VO=0 to Vcc
CE=VCC
CE=VIH
CE=VIL , OE=VIH
tc=100ns
VPP=VCC
-
-
IOH=-400µA
IOL=2.1mA
(VCC=5V±0.5V, Ta=0 to 70°C)
Min. Typ. Max. Unit
- - 10 µA
- - 10 µA
- - 50 µA
- - 1 mA
- - 120 mA
- - 10 µA
2.2 - VCC+0.5 V
-0.5 - 0.8 V
2.4 - - V
- 0.45 V
AC Characteristics
(VCC=5V±0.5V, Ta=0 to 70°C)
Parameter
Symbol
Condition
Min. Max. Unit
Address access cycle time
www.DataSheet4U.comAddress access time
TC
TACC
-
CE=OE=VIL
100 -
- 100
Page set up time
TPSET
NOTE(1)
120 -
Page access cycle time
TPC
-
30 -
Page access time
TPAC
-
- 30
CE access time
TCE OE=VIL
- 100
OE access time
TOE CE=VIL
- 30
Output disable time
TCHZ
TOHZ
OE=VIL
CE=VIL
0 30
0 25
Output hold time
TOH CE=OE=VIL
0-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTE(1) TPSET is defined as the end of either CE trailing edge or address transition in random access
term until the first page address transition.
Measurement conditions
Input signal level
Input timing reference level
Output load
Output timing reference level
0V/3V
0.8V/2.0V
1TTL gate + 100pF
0.8V/2.0V
1.7V
Output
400
100pF (including jig capacitance)
5
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Semiconductor
NOTICE
The information contained herein can change without notice owing to product and/or technical im-
provements. Before using the product, please make sure that the information being referred to is up-to-
date.
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.
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.
Oki assumes no responsibility or liability whatsoever for any failure or unusual or unexpected opera-
tion resulting from misuse, neglect, improper installation, repair, alteration or accident, improper han-
dling, or unusual physical or electrical stress including, but not limited to, exposure to parameters be-
yond the specified maximum ratings or operation outside the specified operating range.
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
www.DataSheet4U.comfrom the use thereof.
The products listed in this document are intended for use in general electronics equipment for commer-
cial applications (e.g., office automation, communication equipment, measurement equipment, consumer
electronics, etc.). These products are not authorized for use in any system orapplication 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 de-
vices, aerospace equipment, nuclear power control, medical equipment, and life-support systems.
Certain products in this document may need government approval before they can be exported to par-
ticular 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.
No part of the contents cotained herein may be reprinted or reproduced without our prior permission.
All brand, company and product names are the trademarks or registered trademarks of their respective
owners.
Copyright 1998 Oki Electric Industry Co., Ltd.
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