DS1624S+T&R

更新时间： 2024-01-18 06:24:20

品牌	Logo	应用领域
美信 - MAXIM		存储
页数	文件大小	规格书
20页	667K
描述
Digital Thermometer and Memory

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DS1624S+T&R 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	SOP8,.3
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	6 weeks
风险等级：	1.37	Is Samacsys：	N
其他特性：	COMPLIANCE TO MIL-208	主体宽度：	5.285 mm
主体高度：	1.98 mm	主体长度或直径：	5.31 mm
外壳：	PLASTIC	JESD-609代码：	e3
安装特点：	SURFACE MOUNT	位数：	13
端子数量：	8	最大工作电流：	1 mA
最高工作温度：	125 °C	最低工作温度：	-55 °C
输出接口类型：	2-WIRE INTERFACE	封装主体材料：	PLASTIC/EPOXY
封装等效代码：	SOP8,.3	封装形状/形式：	RECTANGULAR
电源：	3/5 V	传感器/换能器类型：	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
子类别：	Other Sensors/Transducers	最大供电电压：	5.5 V
最小供电电压：	2.7 V	表面贴装：	YES
端子面层：	Matte Tin (Sn)	端接类型：	SOLDER
Base Number Matches：	1

DS1624

DS1624 FUNCTIONAL BLOCK DIAGRAM Figure 1

STATUS REGISTER &

V_DD

CONTROL LOGIC

SCL

SDA

TEMPERATURE SENSOR

ADDRESS

AND

I/O CONTROL

EEPROM MEMORY (256 BYTES)

GND

2-WIRE SERIAL DATA BUS

The DS1624 supports a bi–directional two–wire bus and data transmission protocol. A device that sends

data onto the bus is defined as a transmitter, and a device receiving data as a receiver. The device that

controls the message is called a “master”. The devices that are controlled by the master are “slaves”. The

bus must be controlled by a master device which generates the serial clock (SCL), controls the bus access,

and generates the START and STOP conditions. The DS1624 operates as a slave on the two–wire bus.

Connections to the bus are made via the open–drain I/O lines SDA and SCL. The following bus protocol

has been defined (See Figure 2):

• Data transfer may be initiated only when the bus is not busy.

• During data transfer, the data line must remain stable whenever the clock line is HIGH. Changes in

the data line while the clock line is high will be interpreted as control signals.

Accordingly, the following bus conditions have been defined:

Bus not busy: Both data and clock lines remain HIGH.

Start data transfer: A change in the state of the data line, from HIGH to LOW, while the clock is HIGH,

defines a START condition.

Stop data transfer: A change in the state of the data line, from LOW to HIGH, while the clock line is

HIGH, defines the STOP condition.

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