Microprocessor and Non-Volatile

Memory Supervisory Circuits

6

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____________________________Typical Operating Characteristics (continued)

100k

10

1n

1m

WATCHDOG TIMEOUT PERIOD

vs. SWT LOAD CAPACITANCE

1k

10k

10n

100n

100

20

0

0

25

125

250

CHIP-ENABLE PROPAGATION DELAY

vs. CE OUT LOAD CAPACITANCE

5

15

75

200

10

50

100

150 175

225

DRIVER SOURCE

IMPEDANCE = 50

Ω

1.25

0

120

REF OUT VOLTAGE

vs. TEMPERATURE

TEMPERATURE (°C)

1.26

1.27

1.28

1.29

1.30

1.31

1.32

1.33

150

90

60

30

-30

-60

RESET IN / INT = 0V

160

20

0

60

120

CHIP-ENABLE ON-RESISTANCE

vs. TEMPERATURE

40

120

TEMPERATURE (°C)

80

180

200

60

100

140

90

150

30

-30

-60

0

0.900

0

60

150

INTERNAL-MODE RESET THRESHOLD

vs. TEMPERATURE (NORMALIZED)

TEMPERATURE (°C)

120

90

30

-30

-60

0.925

0.950

1.000

1.025

1.050

1.075

1.100

1.125

0.975

THE RESET THRESHOLD IS SHOWN

NORMALIZED TO 1, REPRESENTING

ALL AVAILABLE MAX792/MAX820