www.austriamicrosystems.com/Supervisors/AS1916

Revision 1.04

5 - 14

AS1916 - AS1918

Datasheet - Electrical Character i s t ics

VOH

RESET Output High

(Push/Pull Only)

VCC

≥ 1.0V, ISOURCE = 1µA,

Reset Asserted, TAMB = 0 to +85ºC

0.8 x

VCC

V

VCC

≥ 1.50V, ISOURCE = 100µA,

Reset Asserted

0.8 x

VCC

VCC

≥ 2.55V, ISOURCE = 500µA,

Reset Asserted

0.8 x

VCC

VCC

≥ 3.3V, ISOURCE = 800µA,

Reset Asserted

0.8 x

VCC

VOL

RESET Output Low

(Push/Pull Only)

VCC

≥ 1.8V, ISINK = 500µA,

Reset Asserted

0.3

V

VCC

≥ 3.15V, ISINK = 1.2mA,

Reset Asserted

0.3

VCC

≥ 3.3V, ISINK = 3.2mA,

Reset Asserted

0.4

Manual Reset Input

VIL

MRN Input voltage

0.3 x

VCC

V

VIH

0.7 x

VCC

MRN Minimum Input Pulse

1

µs

MRN Transient Rejection

90

ns

MRN to Reset Delay

130

ns

MRN Pullup Resistance

25

50

75

k

Ω

Watchdog Input

tWD

Watchdog Timeout Period

TAMB = -40 to +85ºC

1.12

1.5

2.4

s

TAMB = -40 to +125ºC

0.80

2.60

tWDI

WDI Pulse Width

2

20

ns

VIL

WDI Input Voltage

0.3 x

VCC

V

VIH

0.7 x

VCC

IWDI

WDI Input Current

WDI = VCC, Time Average

80

160

µA

WDI = 0, Time Average

-20

-11

1. Over-temperature limits are guaranteed by design and not production tested. Devices tested at +25ºC.

2. Guaranteed by design and not production tested.

Note:

All limits are guaranteed. The parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality

Control) methods.

Table 4. Electrical Characteristics

Symbol

Parameter

1

Conditions

Min

Typ

Max

Units