Datasheet > DS28E04-100

DS28E04-100

更新时间： 2024-11-18 22:24:35

品牌	Logo	应用领域
达拉斯 - DALLAS		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
36页	346K
描述
4096-Bit Addressable 1-Wire EEPROM with PIO

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DS28E04-100 数据手册

DS28E04-100

4096-Bit Addressable 1-Wire EEPROM

with PIO

www.maxim-ic.com

GENERAL DESCRIPTION

FEATURES

Sꢀ 4096 bits of EEPROM Memory Partitioned into

16 Pages of 256 Bits

The DS28E04-100 is a 4096-bit, 1-Wire EEPROM

chip with seven address inputs. The address inputs

are directly mapped into the 1-Wire 64-bit Device ID

Number to easily enable the host system to identify

the physical location or functional association of the

DS28E04-100 in a multidevice 1-Wire network en-

vironment. The 4096-bit EEPROM array is configured

as 16 pages of 32 bytes with a 32 byte scratchpad to

perform write operations. EEPROM memory pages

can be individually write protected or put in EPROM-

emulation mode, where bits can only be changed

from a 1 to a 0 state. In addition to the memory, the

DS28E04-100 has two general-purpose I/O ports that

can be used for input or to generate level and/or

pulse outputs. Activity registers also capture port

activity for state change monitoring. The DS28E04-

100 communicates over the single-contact 1-Wire

bus. The communication follows the standard Dallas

Semiconductor 1-Wire protocol.

Sꢀ Seven Address Inputs for Physical Location

Configuration

Sꢀ Two General-Purpose PIO Pins with Pulse-

Generation Capability

Cꢀ Individual Memory Pages can be Permanently

Write-Protected or put in OTP EPROM-

Emulation Mode (“Write to 0”)

Cꢀ Communicates to Host with a Single Digital

Signal at 15.3kbps or 111kbps Using 1-Wire

Protocol

Cꢀ Parasitic or V_CCPowered

Cꢀ Conditional Search Based on PIO Status or PIO

Activity

Cꢀ Switchpoint Hysteresis and Filtering to Optimize

Performance in the Presence of Noise

Cꢀ Reads and Writes Over a Wide 2.8V to 5.25V

Voltage Range from -40°C to +85°C

Cꢀ 16-Pin, 150-mil SO Package

APPLICATIONS

Sꢀ Autoconfiguration of Modular Systems such as

Central-Office Switches, Cellular Base Stations,

Access Products, Optical Network Units, and

PBXs

ORDERING INFORMATION

PART

TEMP RANGE PIN-PACKAGE

-40°C to +85°C 16 SO (150 mils)

DS28E04S-100

DS28E04S-100/T&R -40°C to +85°C Tape-and-Reel

Sꢀ Accessory/PCB Identification

PIN CONFIGURATION

TYPICAL OPERATING CIRCUIT

V_CC

R_PUP

PX.Y

IO V_CC

POL

IO V_CC

POL

µC

GND

N.C.

V_CC

POL

GND

N.C.

LED

GND

DS28E04 #1

RST1 RST0 DS28E04 #7

SO (150 mils)

Commands, Registers, and Modes are capitalized for

clarity.

1-Wire is a registered trademark of Dallas Semiconductor Corp.

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.

1 of 36

REV: 102704

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与DS28E04-100相关器件

型号	品牌	获取价格	描述	数据表
DS28E04S-100	DALLAS	获取价格	4096-Bit Addressable 1-Wire EEPROM with PIO
DS28E04S-100/T	MAXIM	获取价格	EEPROM
DS28E04S-100/T&R	MAXIM	获取价格	EEPROM, 4KX1, Parallel/serial, CMOS, PDSO16, 0.150 INCH, SOP-16
DS28E05	MAXIM	获取价格	Single-Contact 1-Wire Interface
DS28E05	ADI	获取价格	1-Wire EEPROM
DS28E05GB+T	MAXIM	获取价格	EEPROM, 112X8, Serial, CMOS, SFN-2
DS28E05P+	MAXIM	获取价格	Single-Contact 1-Wire Interface
DS28E05P+T	MAXIM	获取价格	Single-Contact 1-Wire Interface
DS28E05R+T	MAXIM	获取价格	Single-Contact 1-Wire Interface
DS28E05X+T	MAXIM	获取价格	EEPROM, 112X8, Serial, CMOS, PBGA4, UCSP-4

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