Datasheet > X1241V8I-2.7

X1241V8I-2.7

更新时间： 2024-02-11 20:50:34

品牌	Logo	应用领域
瑞萨 - RENESAS		时钟光电二极管外围集成电路
页数	文件大小	规格书
22页	195K
描述
0 TIMER(S), REAL TIME CLOCK, PDSO8, PLASTIC, TSSOP-8

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技术参数
数据手册

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X1241V8I-2.7 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	PLASTIC, TSSOP-8	Reach Compliance Code：	unknown
风险等级：	5.75	最大时钟频率：	0.032 MHz
信息访问方法：	I2C	中断能力：	N
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e0
长度：	4.4 mm	端子数量：	8
计时器数量：		最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP	封装等效代码：	TSSOP8,.25
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源：	3/3.3 V	认证状态：	Not Qualified
座面最大高度：	1.2 mm	子类别：	Timer or RTC
最大供电电压：	3.6 V	最小供电电压：	2.7 V
标称供电电压：	3 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
最短时间：	SECONDS	易失性：	YES
宽度：	3 mm	uPs/uCs/外围集成电路类型：	TIMER, REAL TIME CLOCK
Base Number Matches：	1

X1241V8I-2.7 数据手册

Preliminary Information

16K

2-Wire^™RTC

X1241

Real Time Clock/Calendar/CPU Supervisor with EEPROM

FEATURES

DESCRIPTION

• Programmable low voltage reset

• Selectable watchdog timer (1.75s, 750ms,

250ms, off)

The X1241 is a Real Time Clock with clock/calendar

circuits and a selectable watchdog timer. The dual port

clock register allows the clock to operate, without loss

of accuracy, even during read and write operations.

• 2-wire interface interoperable with I²C

—400kHz data transfer rate

The clock/calendar provides functionality that is con-

trollable and readable through a set of registers. The

clock, using a low cost 32.768kHz crystal input, accu-

rately tracks the time in seconds, minutes, hours, date,

day, month and years. It has leap year correction,

automatic adjustment for the year 2000 and months

with less than 31 days.

• Secondary power supply input with internal

switch-over circuitry

• 2Kbytes of EEPROM

—64-byte page write mode

—3-bit block lock

• Low power CMOS

—<1µA operating current

—<3mA active current during program

—<400µA active current during data read

• Single byte write capability

• Typical nonvolatile write cycle time: 5ms

• High reliability

The device offers a backup power input pin. This

pin allows the device to be backed up by a non-

BACK

rechargeable battery. The RTC is fully operational from

1.8 to 5.5 volts.

The X1241 provides a 2Kbyte EEPROM array, giving a

safe, secure memory for critical user and conﬁguration

data. This memory is unaffected by complete failure of

the main and backup supplies.

• Small package options

—8-lead SOIC package, 8-lead TSSOP package

BLOCK DIAGRAM

Timer

Calendar

Logic

Frequency

Divider

1Hz

32.768kHz

Oscillator

Time

Keeping

Registers

(SRAM)

Control

Registers

(EEPROM)

Control

Decode

Logic

Status

(SRAM)

SCL

SDA

Serial

Interface

Decoder

16Kbit

EEPROM

Array

Watchdog

Timer

Low Voltage

Reset

RESET

Characteristics subject to change without notice. 1 of 22

REV 1.1.3 2/13/01

www.xicor.com

12 3 4 5 6 7...22

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与X1241V8I-2.7相关器件

型号	品牌	描述	获取价格	数据表
X1241V8I-2.7A	RENESAS	Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO8, PLASTIC, TSSOP-8	获取价格
X1241V8I-4.5A	RENESAS	0 TIMER(S), REAL TIME CLOCK, PDSO8, PLASTIC, TSSOP-8	获取价格
X1242S8	RENESAS	0 TIMER(S), REAL TIME CLOCK, PDSO8, PLASTIC, SOIC-8	获取价格
X1242S8-2.7	RENESAS	0 TIMER(S), REAL TIME CLOCK, PDSO8, PLASTIC, SOIC-8	获取价格
X1242S8-2.7A	RENESAS	0 TIMER(S), REAL TIME CLOCK, PDSO8, PLASTIC, SOIC-8	获取价格
X1242S8-4.5A	RENESAS	0 TIMER(S), REAL TIME CLOCK, PDSO8, PLASTIC, SOIC-8	获取价格

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