47L16 datasheet(1/40 Pages) MICROCHIP

tên linh kiện	47L16

Giải thích chi tiết về linh kiện	4K/16K I2C Serial EERAM

PDF	40 Pages

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nhà sản xuất	MICROCHIP [Microchip Technology]

Trang chủ	http://www.microchip.com

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 2015-2016 Microchip Technology Inc.

DS20005371C-page 1

47L04/47C04/47L16/47C16

Device Selection Table

Features

• 4 Kbit/16 Kbit SRAM with EEPROM Backup:

- Internally organized as 512 x 8 bits (47X04)

or 2,048 x 8 bits (47X16)

- Automatic Store to EEPROM array upon

power-down (using optional external

capacitor)

- Automatic Recall to SRAM array upon

power-up

- Hardware Store pin for manual Store

operations

- Software commands for initiating Store and

Recall operations

- Store time 8 ms maximum (47X04) or

25 ms maximum (47X16)

• Nonvolatile External Event Detect Flag

• High Reliability:

- Infinite read and write cycles to SRAM

- More than one million store cycles to

EEPROM

- Data retention: >200 years

- ESD protection: >4,000V

• High-Speed I2C Interface:

- Industry standard 100 kHz, 400 kHz and

1MHz

- Zero cycle delay reads and writes

- Schmitt Trigger inputs for noise suppression

- Cascadable up to four devices

• Write Protection:

- Software write protection from 1/64 of SRAM

array to whole array

• Low-Power CMOS Technology:

- 200 µA active current typical

- 40 µA standby current (maximum)

• 8-Lead PDIP, SOIC, and TSSOP Packages

• Available Temperature Ranges:

Description

The

Microchip

Technology

Inc.

47L04/47C04/47L16/47C16 (47XXX) is a 4/16 Kbit

SRAM with EEPROM backup. The device is organized

as 512 x 8 bits or 2,048 x 8 bits of memory, and

utilizes the I2C serial interface. The 47XXX provides

infinite read and write cycles to the SRAM while

EEPROM cells provide high-endurance nonvolatile

storage of data. With an external capacitor, SRAM

data is automatically transferred to the EEPROM upon

loss of power. Data can also be transferred manually

by using either the Hardware Store pin or software

control. Upon power-up, the EEPROM data is

automatically recalled to the SRAM. Recall can also

be initiated through software control.

The 47XXX is available in the 8-lead PDIP, SOIC, and

TSSOP packages.

Block Diagram

Part Number

Density (bits)

VCC

Range

Max. Clock

Frequency

Temperature

Ranges

Packages

47L04

4K

2.7-3.6V

1 MHz

I, E

P, SN, ST

47C04

4K

4.5-5.5V

1 MHz

I, E

P, SN, ST

47L16

16K

2.7-3.6V

1 MHz

I, E

P, SN, ST

47C16

16K

4.5-5.5V

1 MHz

I, E

P, SN, ST

- Industrial (I):

-40°C to

+85°C

- Automotive (E):

-40°C to +125°C

Power

I2C Control Logic

Memory Address

and Data Control

Logic

Slave Address

VCC

Control

Block

VCAP

Decoder

EEPROM

512 x 8

RECALL

STORE

SDA

SCL

A2, A1

HS

2K x 8

SRAM

512 x 8

Status Register

2K x 8

4K/16K I2C Serial EERAM

Số phần tương tự - 47L16

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
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