HA16117F Series

2

Ordering Information

The HA16117F Series includes three ICs with different low threshold levels (V

Type No.

Low Threshold Voltage (V

HA16117FPA/FPAJ

4.4 V Typ

HA16117FPB/FPBJ

4.2 V Typ

HA16117FPC/FPCJ

4.0 V Typ

Pin Arrangement

8

7

6

5

P-RUN

1

2

3

4

Tadj

ACC

GND

(Top view)

RES

Pin Description

Pin No.

Symbol

Function

1V

CC

Power supply voltage input

2

P-RUN

Watchdog timer (WDT) input

3C

F

Connected capacitor C

(normal frequency range)

4C

R

Connected capacitor C

and t

5

RES

Reset signal output from WDT and voltage supervision circuits

6

GND

Ground

7

ACC

WDT on/off control input (on when ACC is low)

8

Tadj *

For adjusting t

Note:

The low-voltage threshold cannot be modified by changing the external resistors connected to the

Tadj pin.