IS25C04 查看數據表（PDF） - Integrated Silicon Solution

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IS25C04

2K-BIT/4K-BIT SPI SERIAL ELECTRICALLY ERASABLE PROM

Integrated Silicon Solution 

IS25C02

IS25C04

2K-BIT/4K-BIT SPI SERIAL

ELECTRICALLY ERASABLE PROM

ISSI®

Preliminary Information

January 2006

FEATURES

• Serial Peripheral Interface (SPI) Compatible

— Supports SPI Modes 0 (0,0) and 3 (1,1)

• Low-voltage Operation

— Vcc = 1.8V to 5.5V

• Low power CMOS

— Active current less than 3.0 mA (2.5V)

— Standby current less than 1 µA (2.5V)

• Block Write Protection

— Protect 1/4, 1/2, or Entire Array

• 16 byte page write mode

— Partial page writes allowed

• 10 MHz Clock Rate (5V)

• Self timed write cycles

— 5 ms max. @ 2.5V

• High-reliability

— Endurance: 1 million cycles per byte

— Data retention: 100 years

• 8-pin PDIP, 8-pin SOIC, and 8-pin TSSOP packages

are available

• Lead-free available

DESCRIPTION

The IS25C02 and IS25C04 are electrically erasable

PROM devices that use the Serial Peripheral Interface

(SPI) for communications. The IS25C02 is 2Kbit

(256x 8) and the IS25C04 is 4Kbit (512x 8). The

IS25C02/04 EEPROMs are offered in a wide operating

voltage range of 1.8V to 5.5V to be compatible with

most application voltages. ISSI designed the IS25C02/

04 to be an efficient SPI EEPROM solution. The

devices are packaged in 8-pin PDIP, 8-pin SOIC, and 8-

pin TSSOP.

The functional features of the IS25C02/04 allow them to

be among the most advanced serial non-volatile memo-

ries available. Each device has a Chip-Select (CS) pin,

and a 3-wire interface of Serial Data In (SI), Serial Data

Out (SO), and Serial Clock (SCK). While the 3-wire

interface of the IS25C02/04 provides for high-speed

access, a HOLD pin allows the memories to ignore the

interface in a suspended state; later the HOLD pin re-

activates communication without re-initializing the serial

sequence. A Status Register facilitates a flexible write

protection mechanism, and a device-ready bit (RDY).

Copyright © 2006 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time

without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to

obtain the latest version of this device specification before relying on any published information and before placing orders for products.

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

1

Preliminary Information Rev. 00F

12/22/05

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