SP705EP-L/TR データシートの表示（PDF） - Exar Corporation

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SP705EP-L/TR

Low Power Microprocessor Supervisory Circuits

Exar Corporation 

Dallas DS1232LP/LPS

Sipex Alternative Part Number

Function

Pin

Number

DIP or

SOIC

Pin

Description

Sipex Part

Number

Pin Number

DIP or

SOIC

µSOIC

Pin Description

Manual Reset

1

PBRST

SP705-708/

813L/813M

1

3

MR

WDI Time Delay Set

2

TD

SP705-708/

813L/813M

N/A

N/A 1.6sec by design

VCC Trip 4.6V

3

TOL=GND

SP705/707/

813L

N/A

N/A

4.6V by design

VCC Trip 4.4V

3

TOL=VCC

SP706/708/

813M

N/A

N/A

4.4V by design

Ground

4

GND

SP705-708/

813L/813M

3

5

GND

Reset Active HIGH

5

RST

SP707/708

8

2

RESET

Reset Active HIGH

5

RST

SP813L/813M

7

1

RESET

Reset Active LOW

6

RST

SP705-708

7

1

RESET

Watchdog Input

7

ST (H to L)

SP705/706/

813L/813M

6

8

WDI (any trans.)

Voltage Input

8

VCC

SP705-708/

813L/813M

2

4

VCC

Power Fail Input

N/A

N/A

SP705-708/

813L/813M

4

6

PFI

Power Fail Output

N/A

N/A

SP705-708/

813L/813M

5

7

PFO

Watchdog Output

N/A

N/A

SP705/706/

813L/813M

8

2

WDO

Table 2. Device Overview on Dallas Semiconductor

June 2008 Rev C

SP705 Low Power Microprocessor Supervisory Circuits

14

© 2008 Exar Corporation

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