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IS24C16A Dataheets PDF



Part Number IS24C16A
Manufacturers Integrated Silicon Solution
Logo Integrated Silicon Solution
Description 1K-bit/2K-bit/4K-bit/8K-bit/16K-bit 2-WIRE SERIAL CMOS EEPROM
Datasheet IS24C16A DatasheetIS24C16A Datasheet (PDF)

IS24C02A IS24C04A IS24C08A IS24C16A 1K-bit/2K-bit/4K-bit/8K-bit/16K-bit 2-WIRE SERIAL CMOS EEPROM FEATURES • Two-Wire Serial Interface, I2CTM Compatible –Bi-directional data transfer protocol • Wide Voltage Operation –Vcc = 1.8V to 5.5V • 400 KHz (2.5V) and 1 MHz (5.0V) Compatible • Low Power CMOS Technology –Standby Current less than 6 µA (5.0V) –Read Current less than 2 mA (5.0V) –Write Current less than 3 mA (5.0V) • Hardware Data Protection –Write Protect Pin • Sequential Read Feature • Filt.

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IS24C02A IS24C04A IS24C08A IS24C16A 1K-bit/2K-bit/4K-bit/8K-bit/16K-bit 2-WIRE SERIAL CMOS EEPROM FEATURES • Two-Wire Serial Interface, I2CTM Compatible –Bi-directional data transfer protocol • Wide Voltage Operation –Vcc = 1.8V to 5.5V • 400 KHz (2.5V) and 1 MHz (5.0V) Compatible • Low Power CMOS Technology –Standby Current less than 6 µA (5.0V) –Read Current less than 2 mA (5.0V) –Write Current less than 3 mA (5.0V) • Hardware Data Protection –Write Protect Pin • Sequential Read Feature • Filtered Inputs for Noise Suppression • Self time write cycle with auto clear 5 ms max @ 2.5V • Organization: –IS24C02A, 256x8 (one block of 256 bytes) –IS24C04A, 512x8 (two blocks of 256 bytes) –IS24C08A, 1024x8 (four blocks of 256 bytes) –IS24C16A, 2048x8 (eight blocks of 256 bytes) • 16 Byte Page Write Buffer • High Reliability –Endurance: 1,000,000 Cycles –Data Retention: 100 Years • Commercial, Industrial and Automotive temperature ranges • 8-pin PDIP, 8-pin SOIC, 8-pad DFN, 8-pin TSSOP, and 8-pin MSOP packages • Lead-free available www.DataSheet4U.com ISSI JANUARY 2006 ® DESCRIPTION The IS24C02A, IS24C04A, IS24C08A, and IS24C16A are electrically erasable PROM devices that use the standard 2-wire interface for communications. The IS24C02A, IS24C04A, IS24C08A, and IS24C16A contain a memory array of 2K-bits (256 x 8), 4K-bits (512 x 8), 8K-bits (1,024 x 8), and 16K-bits (2,048 x 8), respectively. Each device is organized into 16 byte pages for page write mode. This EEPROM operates in a wide voltage range of 1.8V to 5.5V to be compatible with most application voltages. ISSI designed this device family to be a practical, low-power 2-wire EEPROM solution. The devices are available in 8-pin PDIP, 8-pin SOIC, 8pad DFN, 8-pin MSOP, and 8-pin TSSOP packages. The IS24C02A/04A/08A/16A maintains compatibility with the popular 2-wire bus protocol, so it is easy to use in applications implementing this bus type. The simple bus consists of the Serial Clock wire (SCL) and the Serial Data wire (SDA). Using the bus, a Master device such as a microcontroller is usually connected to one or more Slave devices such as this device. The bit stream over the SDA line includes a series of bytes, which identifies a particular Slave device, an instruction, an address within that Slave device, and a series of data, if appropriate. The IS24C02A/04A/08A/16A has a Write Protect pin (WP) to allow blocking of any write instruction transmitted over the bus. 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. — www.issi.com — 1-800-379-4774 Rev. F 01/09/06 1 IS24C02A IS24C04A IS24C08A IS24C16A ISSI ® www.DataSheet4U.com FUNCTIONAL BLOCK DIAGRAM Vcc 8 HIGH VOLTAGE GENERATOR, TIMING & CONTROL SDA 5 WP 7 SLAVE ADDRESS REGISTER & COMPARATOR A0 1 A1 2 A2 3 WORD ADDRESS COUNTER X DECODER SCL 6 CONTROL LOGIC EEPROM ARRAY Y DECODER GND 4 nMOS ACK Clock DI/O > DATA REGISTER 2 Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774 Rev. F 01/09/06 IS24C02A IS24C04A IS24C08A IS24C16A PIN CONFIGURATION 8-pad DFN ISSI www.DataSheet4U.com ® PIN CONFIGURATION 8-Pin DIP, SOIC, DFN, TSSOP, MSOP A0 A1 A2 GND 1 2 3 4 8 7 6 5 VCC WP SCL SDA A0 1 A1 2 A2 3 GND 4 8 VCC 7 WP 6 SCL 5 SDA (Top View) PIN DESCRIPTIONS A0-A2 SDA SCL WP Vcc GND Address Inputs Serial Address/Data I/O Serial Clock Input Write Protect Input Power Supply Ground The IS24C04A uses A1 and A2 pins for hardwire addressing and a total of four devices may be addressed on a single bus system. The A0 pin is a no connect in the IS24C04A. When the A1 or A2 input is left floating, the input internally defaults to zero. The IS24C08A only uses the A2 input for hardwire addressing and a total of two devices may be addressed on a single bus system. The A0 and A1 pins are no connects in the IS24C08A. When the A2 input is left floating, the input internally defaults to zero. These pins are not used by IS24C16A . The A0, A1, and A2 pins are no connects in the IS24C16A. WP WP is the Write Protect pin. If the WP pin is tied to VCC on the IS24C02A, IS24C04A, IS24C08A and IS24C016A, the entire array becomes Write Protected (Read only). When WP is tied to GND or left floating normal read/write operations are allowed to the device. SCL This input clock pin is used to synchronize the data transfer to and from the device. SDA The SDA is a Bi-directional pin used to transfer addresses and data into and out of the device. The SDA pin is an open drain output and can be wire-Or'ed with other open drain or open collector outputs. The SDA b.


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