STM708 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

STM708

5 V supervisor

STMicroelectronics 

STM705, STM706, STM707, STM708, STM813L

1

Description

Description

The STM705/706/707/708/813L supervisors are self-contained devices which provide

microprocessor supervisory functions. A precision voltage reference and comparator

monitors the VCC input for an out-of-tolerance condition. When an invalid VCC condition

occurs, the reset output (RST) is forced low (or high in the case of RST).

These devices also offer a watchdog timer (except for STM707/708) as well as a power-fail

comparator to provide the system with an early warning of impending power failure.

These devices are available in a standard 8-pin SOIC package or a space-saving 8-pin

TSSOP package.

Figure 1. Logic diagram (STM705/706/813L)

VCC

WDO

WDI

STM705/706;

RST(1)

MR

STM813L

RST(2)

PFI

PFO

VSS

1. For STM705/706 only.

2. For STM813L only.

Figure 2. Logic diagram (STM707/708)

VCC

AI08825

RST

MR

STM707/708

RST

PFI

PFO

VSS

AI08826

Doc ID 10520 Rev 9

5/33

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