1,048,576-Word x 16-Bit or 2,097,152-Word x 8-Bit MASKROM

DESCRIPTION

The OKI MSM531632F is a high-speed CMOS Mask ROM that can electrically switch

between 1,048,576-word x 16-bit or 2,097,152-word x 8-bit configurations. The MSM531622E
operates on a single 5.0V power supply and is TTL compatible. The chip's asynchronous I/O
requires no external clock assuring easy operation.A power-down mode provides low power
dissipation when the chip is not selected. The CE and OE pins are provided as control
signals that permit three-stated output allowing easy memory expansion on a system bus.The
MSM531622F is suited for use as large capacity fixed memory for microcomputers and data
terminals.

FEATURES

3.0V or 3.3V single power supply
1,048,576-word x 16-bit / 2,097,152-word x 8-bit
Access Time

Current Consumption

150ns

20mA (When power supply is 3.0V±0.3V)

120ns

30mA (When power supply is 3.3V±0.3V)

Tri-state output configurations
Internal powerdown function
Package:
42-PIN PLASTIC DIP
44-PIN PLASTIC SOP
48-PIN PLASTIC TSOP
16MEPROM (42-PIN) pin compatible

(MSM531632E-xxRS)
(MSM531632E-xxGS-K)
(MSM531632E-xxTS-K)

(DIP42-P-600)
(SOP44-P-600-K)
(TSOP48-P-550-K)

Semiconductor

MSM531632F

MSM531632F

PIN CONFIGURATION

Pin Name

Function

D15/A-1

Data output / address input

A0 to A19

Address input

D0 to D15

Data output

Output enable

BYTE

Mode switch

, V

Power supply

Chip enable

No Connect

A18

42 PIN DIP

A11

A12

A13

A14

A15

A16

BYTE

D15/A-1

D14

D13

D12

A10

A19

A17

D10

D11

A18

48 PIN TSOP

A11

A12

A13

A14

A15

A16

BYTE

D15/A-1

D14

D13

D12

A10

A19

A17

D10

D11

A18

44 PIN SOP

A11

A12

A13

A14

A15

A16

BYTE

D15/A-1

D14

D13

D12

A10

A19

A17

D10

D11

NC 1

MSM531632Fl

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19

BLOCK DIAGRAM

Control

Address

Buffer

Memory Cell

Matrix

1,048,576-Word x 16 or 2,097,152 x 8

Multiplexer

Output Buffer

D10

D11

D12

D13

D14

D15

A-1

BYTE

Decoder

Output Switching Between 8 and 16 bits

FUNCTION TABLE

MSB

BYTE

Input Inhibited (D15)

D8 to D15

LSB

DOUT Mode

D8 to D15

D0 to D7

A-1/D15

D0 to D7

Hi-Z

D8 to D15

Hi-Z

16 bit

8 bit

A-1

A19

MSM531632F

Recommended Operating Conditions (VCC=3.0V)

ELECTRICAL CHARACTERISTICS

Absolute Maximum Ratings

Operating Temperature

Storage Temperature

Power Supply Voltage

Input Voltage

Output Voltage

Power Dissipation

Parameter

Symbol

Unit

Conditions

Power Supply Voltage

"H" Input Voltage

"L" Input Voltage

Parameter

Symbol

Unit

3.3

Typ.

2.7

Conditions

to V

Min.

Max.

3.0

0.0

2.0

3.0

0.8

0.0

Operating Temperature

Limits

Recommended Operating Conditions (VCC=3.3V)

Per Package T

opr

= 25°C

0 to 70

55 to 150

0.3 to 7

0.3 to V

+ 0.5

0.3 to V

+ 0.5

1.0

Limits

°C

opr

stg

0.3

opr

Power Supply Voltage

"H" Input Voltage

"L" Input Voltage

Parameter

Symbol

Unit

3.6

Typ.

3.0

Conditions

Min.

Max.

3.3

0.0

2.0

3.3

0.6

0.0

Operating Temperature

Limits

6.0

0.3

opr

°C

6.0

MSM531632F

DC CHARACTERISTICS (VCC=3.0V±0.3V)

"H" Output Voltage

"L" Output Voltage

Parameter

Symbol

OH1

Unit

Typ.

Conditions

(Ta = 0 to 70°C)

Min.

Max.

OH2

CCSC

CCST

µA

Input Leakage Current

Output Leakage Current

µA

DC CHARACTERISTICS (VCC=3.3V±0.3V)

Limits

OL1

0.1

OL2

0.4

CE = V

IL,

OE = V

IH,

= 120ns

CE = V

0.2V

CE = V

IH MIN

= 100µA

= 0 to V

CE = V

IH MIN

= 100µA

= 1.0mA

0.1

0.4

Power Supply Current
(Operating)

Power Supply Current
(Standby)

"H" Output Voltage

"L" Output Voltage

Parameter

Symbol

OH1

Unit

Typ.

Conditions

(Ta = 0 to 70°C)

Min.

Max.

OH2

CCSC

CCST

Input Leakage Current

Output Leakage Current

Limits

OL1

0.1

OL2

0.4

CE = V

OE = V

IH,

= 150ns

CE = V

0.2V

CE = V

IH MIN

= 100uA

= 0 to V

CE = V

IH MIN

= 400uA

= 100uA

= 1.0mA

0.1

0.4

Power Supply Current
(Operating)

Power Supply Current
(Standby)

= 400µA

MSM531632F

AC CHARACTERISTICS

Timing conditions

Cycle time

Parameter

Symbol

Unit

Typ.

150

Conditions

(Ta = 0 to 70°C)

Min.

Max.

150

Parameter

Conditions

Input Signal Level

Transtion Time

Timing Reference Level

Load Condition

VIH=3.0V, VIL=0.0V
tr=tf=5ns
Input Voltage=1.5V
Output Voltage=0.8V&2.0V

CL=50pF

Read Cycle (Vcc=3.0V±0.3V)

Address Access time

CE Access time

OE Access time

CE Output Disable time

OE Output Disable time

Output Hold time

ACC

CHZ

OHZ

Rated Value

Cycle time

Parameter

Symbol

Unit

Typ.

120

Conditions

(Ta = 0 to 70°C)

Min.

Max.

120

Read Cycle (Vcc=3.3V±0.3V)

Address Access time

CE Access time

OE Access time

CE Output Disable time

OE Output Disable time

Output Hold time

ACC

CHZ

OHZ

Value

MSM531632F

Read Cycle (Note 1)

Address

OUT

ACC

OHZ

(Note 3)

Read Cycle (Note 2)

OUT

CHZ

(Note 3)

Note )

1. CE is low level.
2. Address is fixed before or at the same time when CE level falls.
3. t

CHZ

& t

OHZ

indicate the time until floating. They are not determined by the output level.

I/O CAPACITANCE

Input Capacitance

Output Capacitance

Parameter

Symbol

Unit

Typ.

Conditions

Min.

Max.

=0V

Rated Value

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
from 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.

ADDRESSES & SEMICONDUCTOR WEB SITES

OKI Electric Industry Co., Ltd.

OKI Electric Industry Co., Ltd.,
Device Business Group,
10-3, Shibaura, 4-chome,
Minato-ku, Tokyo 108, Japan,
Tel.: +81-(0)3-5445-6327,
Fax.: +81-(0)3-5445-6328,

http://www.oki.co.jp/OKI/DBG/english/index.htm

(NOTE: URL is case sensitive)

OKI Semiconductor Group

OKI Semiconductor Group,
785 North Mary Avenue,
Sunnyvale, CA 94086, U.S.A.,
Tel.: +1-408-720-1900,
Fax.: +1-408-720-1918,

http://www.okisemi.com/

OKI Electric Europe GmbH

OKI Electric Europe GmbH,
Head Office Europe,
Hellersbergstrasse 2,
D-41460 Neuss, Germany,
Tel: +49-2131-15960,
Fax: +49-2131-103539,

http://www.oki-europe.de/

OKI Electronics (Hong Kong) Ltd.

OKI Electronics (Hong Kong) Ltd.,
Suite 1901-1&19, Tower 3,
China Hong Kong City,
33 Canton Road, Tsimshatsui,
Kowloon, Hong Kong,
Tel.: +852-2-736-2336,
Fax.: +852-2-736-2395

OKI Semiconductor (Asia) Pte. Ltd.

OKI Semiconductor (Asia) Pte. Ltd.,
78 Shenton Way 09-01,
Singapore 0207,
Tel.: +65-221-3722,
Fax.: +65-323-5376

OKI Semiconductor (Asia) Pte. Ltd.

OKI Semiconductor (Asia) Pte. Ltd.,
Taipei Branch,
7th Fl. No.260, Tun Hwa North Road,
Taipei, Taiwan, R.O.C.,
Sumitomo-Flysun Building,
Tel.: +886-2-2719-2561,
Fax.: +886-2-2715-2892

http://www.oki.net.tw/

For further information, please contact:

People To People Technology

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