7

Date: 4/18/05

SP691A/693A/800L/800M Low Power Microprocessor Supervisor with Battery Switch-Over © Copyright 2005 Sipex Corporation

Figure 11. Watchdog and Reset Timeout Period vs.

OSC

Figure 12. Chip-Enable Propagation Delay vs. CE

OUT

Load Capacitance

Figure 13. V

Operating Mode)

Figure 15. V

Figure 14. V

Backup Mode)

Threshold

0V

+5V

LOW

HI

LOW

HI

LOW

HI

LOWLINE

RESET

80µs

1.1µs

16µs

OSCIN Capacitor (pF)

10

100

1000

10000

1000

100

10

1

0.1

V

V

Long Watchdog Timeout Period

Reset Active Timeout Period

Short Watchdog Timeout Period

Cload (pF)

0

50

100

150

200

250

300

350

30

25

20

15

10

5

0

V

V

50Ω driver

I

1

10

100

1000

1000

100

10

1

V

V

Slope = 0.6Ω

I

1

10

100

1000

1000

100

10

1

V

V

Slope = 5Ω

TYPICAL PERFORMANCE CHARACTERISTICS