Datasheet > TS825CX5B

TS825CX5B

更新时间： 2024-11-19 22:17:59

品牌	Logo	应用领域
TSC		微处理器监控
页数	文件大小	规格书
6页	115K
描述
Microprocessor Supervisory Circuit with Watchdog Timer & Manual Reset

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中文翻译

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TS825CX5B 数据手册

TS823/824/825

Microprocessor Supervisory Circuit with

Watchdog Timer & Manual Reset

7 Voltage Threshold Voltage Option

From 2.19V ~ 4.63V

General Description

The TS823/824/825 family allows the user to customize the CPU monitoring function without any external components.

The user has a large choice of reset voltage thresholds and output driver configurations, all of which are present ant

the factory. Each wafer is trimmed to the customer’s specifications.

These circuits will ignore fast negative going transients on Vdd. The state of the reset output is guaranteed to be

correct down to 1V. After Vdd crosses above a factory present threshold, the TS823/824/825 assert a reset signal.

After a predetermined time (the “reset” interval) the reset is deasserted. If Vdd ever drops below the threshold voltage

a reset is asserted immediately. In addition to a supply monitoring function the TS823/824/825 also monitor transitions

at the watchdog (WDI) input. If a logic transition does not occur at the WDI pin within a certain time interval (the

“watchdog” interval) then a reset is asserted. The reset deasserts after the reset interval, as explained earlier.

The TS823/824/825 can both assert a reset manually by pulling the MR input to ground, and the micro-power

quiescent current make this family a natural for portable battery powered equipment.

The TS823/824/825 is available in a 5-pin SOT-25 package.

Features

Ordering Information

Precision monitoring of +3V, +3.3V and +5V

Part No.

TS823CX5 x

TS824CX5 x

TS825CX5 x

Operating Temp.

Package

power supply voltage

- 40 ~ +85 ^oC

Tight voltage threshold tolerance +/-1.5%

Fully specified over temperature

210mS min. power-on reset pulse width

3uA(typ) supply current

SOT-25

Note: x is the threshold voltage type, option as

A: 4.63V

B: 4.38V

D: 3.08V

E: 2.93V

F: 2.63V

G: 2.32V

H: 2.19V

Guaranteed reset valid to Vdd = +1V

Power supply transient immunity

No external components

Applications

Pin Assignment

Computers and Controllers

Function

RESET (Active-Low)

Ground

TS823

TS824

TS825

Embedded Controllers

Intelligent instruments

Critical uP monitoring

Manual Reset

Portable / Battery powered equipment

Automotive Systems

(RESET) (Active-High)

Watchdog Input

Supply Voltage (Vdd)

TS823/824/825

1-6

2003/12 rev. A

12 3 4 5 6

中文翻译

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与TS825CX5B相关器件

型号	品牌	获取价格	描述	数据表
TS825CX5BRF	TSC	获取价格	Microprocessor Supervisory Circuit with Watchdog Timer & Manual Reset
TS825CX5D	TSC	获取价格	Microprocessor Supervisory Circuit with Watchdog Timer & Manual Reset
TS825CX5DRF	TSC	获取价格	Microprocessor Supervisory Circuit with Watchdog Timer & Manual Reset
TS825CX5E	TSC	获取价格	Microprocessor Supervisory Circuit with Watchdog Timer & Manual Reset
TS825CX5ERF	TSC	获取价格	Microprocessor Supervisory Circuit with Watchdog Timer & Manual Reset
TS825CX5F	TSC	获取价格	Microprocessor Supervisory Circuit with Watchdog Timer & Manual Reset
TS825CX5FRF	TSC	获取价格	Microprocessor Supervisory Circuit with Watchdog Timer & Manual Reset
TS825CX5G	TSC	获取价格	Microprocessor Supervisory Circuit with Watchdog Timer & Manual Reset
TS825CX5GRF	TSC	获取价格	Microprocessor Supervisory Circuit with Watchdog Timer & Manual Reset
TS825CX5H	TSC	获取价格	Microprocessor Supervisory Circuit with Watchdog Timer & Manual Reset

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