AS1916 查看數據表（PDF） - austriamicrosystems AG

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AS1916

Microprocessor Supervisory Circuits with Manual Reset and Watchdog

austriamicrosystems AG 

AS1916 - AS1918

Datasheet - Electrical Characteristics

Table 4. Electrical Characteristics

Symbol

Parameter1

Conditions

Min Typ Max Units

VCC ≥ 1.0V, ISOURCE = 1µA,

0.8 x

Reset Asserted, TAMB = 0 to +85ºC

VCC

VCC ≥ 1.50V, ISOURCE = 100µA,

0.8 x

VOH

RESET Output High

(Push/Pull Only)

alid VOL

RESET Output Low

(Push/Pull Only)

ill v Manual Reset Input

VIL

MRN Input voltage

t VIH

s AG nt s Watchdog Input

MRN Minimum Input Pulse

MRN Transient Rejection

MRN to Reset Delay

MRN Pullup Resistance

e tWD

Watchdog Timeout Period

am nt tWDI

WDI Pulse Width 2

VIL

o WDI Input Voltage

VIH

l c IWDI

WDI Input Current

Reset Asserted

VCC ≥ 2.55V, ISOURCE = 500µA,

Reset Asserted

VCC ≥ 3.3V, ISOURCE = 800µA,

Reset Asserted

VCC ≥ 1.8V, ISINK = 500µA,

Reset Asserted

VCC ≥ 3.15V, ISINK = 1.2mA,

Reset Asserted

VCC ≥ 3.3V, ISINK = 3.2mA,

Reset Asserted

TAMB = -40 to +85ºC

TAMB = -40 to +125ºC

WDI = VCC, Time Average

WDI = 0, Time Average

VCC

V

0.8 x

VCC

0.8 x

VCC

0.3

0.3 V

0.4

0.3 x

VCC

V

0.7 x

VCC

1

µs

90

ns

130

ns

25

50

75 kΩ

1.12 1.5 2.4

s

0.80

2.60

20

ns

0.3 x

VCC

V

0.7 x

VCC

80 160

µA

-20 -11

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

ic 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

Techn Control) methods.

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