IS93C46-3GR Integrated Silicon Solution, IS93C46-3GR Datasheet

IS93C46-3GR

Manufacturer Part Number

IS93C46-3GR

Description

Manufacturer

Integrated Silicon Solution

Datasheet

1.IS93C46-3.pdf (10 pages)

Specifications of IS93C46-3GR

Case

SOP3.9mm

Date_code

1995

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IS93C46-3

1,024-BIT SERIAL ELECTRICALLY

ERASABLE PROM

FEATURES

• State-of-the-art architecture

• Low voltage read operation

• Hardware and software write protection

• Advanced low voltage CMOS E

• Versatile, easy-to-use Interface

• Durable and reliable

FUNCTIONAL BLOCK DIAGRAM

ISSI reserves the right to make changes to its products at any time without notice in order to improve design and supply the best possible product. We assume no responsibility for any

Integrated Silicon Solution, Inc. — 1-800-379-4774

Rev. G

04/26/01

— Non-volatile data storage

— Low voltage operation:

— Full TTL compatible inputs and outputs

— Auto increment for efficient data dump

— Down to 2.7V

— Defaults to write-disabled state at power-up

— Software instructions for write-enable/disable

technology

— Self-timed programming cycle

— Automatic erase-before-write

— Programming status indicator

— Word and chip erasable

— Stop SK anytime for power savings

— 10-year data retention after 100K write cycles

— 100,000 write cycles

— Unlimited read cycles

3.0V (Vcc = 2.7V to 6.0V)

INSTRUCTION

(9 BITS)

INSTRUCTION

GENERATION

CONTROL,

DECODE,

CLOCK

AND

PROM

ADDRESS

(16 BITS)

ENABLE

WRITE

DATA

OVERVIEW

The IS93C46-3 is a low cost 1,024-bit, non-volatile, serial

non-volatile read/write memory arranged as 64 registers

of 16 bits each. Seven 9-bit instructions control the

operation of the device, which includes read, write, and

mode enable functions. The data out pin (D

the status of the device during in the self-timed non-

volatile programming cycle.

The self-timed write cycle includes an automatic erase-

before-write capability. To protect against inadvertent

writes, the WRITE instruction is accepted only while the

chip is in the write enabled state. Data is written in 16 bits

per write instruction into the selected register. If Chip

Select (CS) is brought HIGH after initiation of the write

cycle, the Data Output (D

BUSY status of the chip.

APPLICATIONS

The IS93C46-3 is ideal for high-volume applications

requiring low power and low density storage. This device

uses a low cost, space saving 8-pin package. Candidate

applications include robotics, alarm devices, electronic

locks, meters and instrumentation settings.

PROM. It is fabricated using

PROM technology. The IS93C46-3 provides efficient

DUMMY

AMPS

R/W

BIT

HIGH VOLTAGE

DECODER

GENERATOR

1 OF 64

OUT

) pin will indicate the READY/

ISSI

ISSI’s

MARCH 2001

advanced CMOS

OUT

EEPROM

(64 X 16)

ARRAY

) indicates

OUT

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