TPS3705-30, TPS3705-33, TPS3705-50

TPS3707-25, TPS3707-30, TPS3707-33, TPS3707-50

PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL

SLVS184B – NOVEMBER 1998 – REVISED JANUARY 1999

1

POST OFFICE BOX 655303

features

Delay Time of 200 ms, no External

Capacitor Needed

3.3 V, and 5 V

through MAX708 Series

Low-Battery Warning

typical applications

Microprocessors

Figure 1. Typical MSP430 Application

MR

RESET

TPS3705–50

PFI

VDD

GND

100 nF

RESET/NMI

VDD

GND

5 V

12 V

910 k

Ω

120 k

Ω

MSP430P112

PFO

WDI

WDO

I/O

I/O

Copyright

© 1999, Texas Instruments Incorporated

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

1

2

3

4

8

7

6

5

MR

GND

PFI

WDO

RESET

WDI

PFO

TPS3705 ...D PACKAGE

(TOP VIEW)

1

2

3

4

8

7

6

5

RESET

RESET

NC

PFO

TPS3707 ...D PACKAGE

(TOP VIEW)

NC – No internal connection

MR

GND

PFI

1

2

3

4

8

7

6

5

RESET

WDO

MR

WDI

PFO

PFI

GND

TPS3705 . . . DGN PACKAGE

(TOP VIEW)

1

2

3

4

8

7

6

5

NC

PFO

PFI

GND

TPS3707 . . . DGN PACKAGE

(TOP VIEW)

NC – No internal connection

RESET

RESET

MR