Datasheet > X25643S14I-1.8

X25643S14I-1.8

更新时间： 2024-02-16 03:42:15

品牌	Logo	应用领域
XICOR		监控可编程只读存储器
页数	文件大小	规格书
16页	79K
描述
Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM

阅读下载

获取价格

技术参数
数据手册

如果您发现信息不准确，欢迎纠错

X25643S14I-1.8 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	PLASTIC, SOIC-14	Reach Compliance Code：	unknown
风险等级：	5.92	可调阈值：	NO
模拟集成电路 - 其他类型：	POWER SUPPLY MANAGEMENT CIRCUIT	JESD-30 代码：	R-PDSO-G14
JESD-609代码：	e0	长度：	8.65 mm
信道数量：	1	功能数量：	1
端子数量：	14	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：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	座面最大高度：	1.75 mm
最大供电电压 (Vsup)：	3.6 V	最小供电电压 (Vsup)：	1.8 V
标称供电电压 (Vsup)：	2 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	3.9 mm

X25643S14I-1.8 数据手册

8K x 8 Bit

4K x 8 Bit

2K x 8 Bit

64K

32K

16K

X25643/45

X25323/25

X25163/65

Programmable Watchdog Timer & V

Supervisory Circuit w/Serial E²PROM

FEATURES

DESCRIPTION

• Programmable Watchdog Timer

These devices combine three popular functions, Watch-

dog Timer, Supply Voltage Supervision, and Serial

E²PROM Memory in one package.This combination low-

ers system cost, reduces board space requirements, and

increases reliability.

• Low Vcc Detection and Reset Assertion

—Reset Signal Valid to Vcc=1V

• Save Critical Data With Block Lock^TMProtection

—Block Lock^TMProtect 0, 1/4, 1/2 or all of

Serial E²PROM Memory Array

The Watchdog Timer provides an independent protection

mechanism for microcontrollers. During a system failure,

the device will respond with a RESET/RESET signal

after a selectable time-out interval. The user selects the

interval from three preset values. Once selected, the

interval does not change, even after cycling the power.

• In Circuit Programmable ROM Mode

• Long Battery Life With Low Power Consumption

—<50µA Max Standby Current, Watchdog On

—<1µA Max Standby Current, Watchdog Off

—<5mA Max Active Current during Write

—<400µA Max Active Current during Read

• 1.8V to 3.6V, 2.7V to 5.5V and 4.5V to 5.5V Power

Supply Operation

• 2MHz Clock Rate

• Minimize Programming Time

—32 Byte Page Write Mode

The user’s system is protected from low voltage condi-

tions by the device’s low Vcc detection circuitry. When

Vcc falls below the minimum Vcc trip point, the system is

reset. RESET/RESET is asserted until Vcc returns to

proper operating levels and stabilizes.

—Self-Timed Write Cycle

The memory portion of the device is a CMOS Serial

E²PROM array with Xicor’s Block Lock^TMProtection. The

array is internally organized as x 8.The device features a

Serial Peripheral Interface (SPI) and software protocol

allowing operation on a simple four-wire bus.

—5ms Write Cycle Time (Typical)

• SPI Modes (0,0 & 1,1)

• Built-in Inadvertent Write Protection

—Power-Up/Power-Down Protection Circuitry

—Write Enable Latch

—Write Protect Pin

• High Reliability

• Available Packages

—14-Lead SOIC (X2564x)

The device utilizes Xicor’s proprietary Direct Write^TMcell,

providing a minimum endurance of 100,000 cycles per

sector and a minimum data retention of 100 years.

—14-Lead TSSOP (X2532x, X2516x)

—8-Lead SOIC (X2532x, X2516x)

BLOCK DIAGRAM

DATA

PAGE DECODE LOGIC

COMMAND

DECODE &

CONTROL

LOGIC

X - DECODE

LOGIC

SCK

SERIAL

E²PROM

ARRAY

STATUS

RESET

CONTROL

RESET/RESET

LOW

VOLTAGE

SENSE

WATCHDOG

TIMER

HIGH

VOLTAGE

CONTROL

PROGRAMMING,

BLOCK LOCK &

ICP ROM CONTROL

7036 FRM 01

Xicor, Inc. 1994, 1995, 1996 Patents Pending

7049 -1.0 6/20/97 T0/C0/D0 SH

Characteristics subject to change without notice

12 3 4 5 6 7...16

下载PDF

与X25643S14I-1.8相关器件

型号	品牌	描述	获取价格	数据表
X25643S14I-2.7	XICOR	Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM	获取价格
X25643S8	XICOR	Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM	获取价格
X25643S8-1.8	XICOR	Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM	获取价格
X25643S8-2.7	XICOR	Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM	获取价格
X25643S8I	XICOR	Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM	获取价格
X25643S8I-1.8	XICOR	Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM	获取价格

与X25643S14I-1.8相关文章

STM32H743技术深度剖析与应用案例探索
2024-05-30

15
LM321中文资料解析：引脚功能介绍、技术特点、技术特性分析
2024-05-30

15
74HC14芯片资料介绍：性能特性分析、引脚介绍
2024-05-30

13
LM1875芯片手册：功放参数分析、引脚说明、电路设计要点
2024-05-30

10

产品中心

服务支持

精选活动

关于我们

帮助中心

X25643S14I-1.8

X25643S14I-1.8 技术参数

X25643S14I-1.8 数据手册

与X25643S14I-1.8相关器件

与X25643S14I-1.8相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

X25643S14I-1.8

X25643S14I-1.8 技术参数

X25643S14I-1.8 数据手册

与X25643S14I-1.8相关器件

与X25643S14I-1.8相关文章

您还可以找

您在本页遇到什么问题？