AS1925 查看數據表（PDF） - austriamicrosystems AG

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AS1925

Ultra-Low Voltage Microprocessor Supervisory Circuit with Manual Reset

austriamicrosystems AG 

AS1925/AS1926

Data Sheet - Electrical Characteristics

6 Electrical Characteristics

VCC = +0.55 to +1.8V, TAMB = -40 to +85ºC (unless otherwise specified). Typ values @ TAMB = +25ºC.

Table 4. Electrical Characteristics

Symbol

Parameter 1

Conditions

Min Typ Max

VCC Supply Voltage Range 2

0.75

1.80

VCC = 0.9V, No Load, Reset Not Asserted

3.5

12

ICC

Supply Current

VCC = 1.5V, No Load, Reset Not Asserted

4.5

12

VCC = 1.8V, No Load, Reset Not Asserted

5

12

Suffix 14

1.350 1.388 1.425

Suffix 13

1.275 1.313 1.350

VTH

Reset Threshold

(VCC Falling)

Suffix 11

Suffix 10

1.080 1.110 1.140

1.020 1.050 1.080

Suffix 08

0.810 0.833 0.855

Suffix 07, TAMB = 0 to +85ºC

0.765 0.788 0.810

VHYS

Reset Threshold

Hysteresis

0.75

VCC to Reset Delay

VCC Falling, Step Signal from (VTH + 10%)

to (VTH - 10%) within 1µs

120

Suffix B

1

1.5

2

tRP

Reset Active Timeout

Period

Suffix C

Suffix D

20

30

40

140 210 280

Suffix E

1120 1680 2240

VIL

MRN Input Voltage 3

VIH

0.7 ×

VCC

0.3 ×

VCC

MRN Minimum Input

Pulse Width

MRN driven from VCC to 0V 3

1

MRN Glitch Rejection

MRN driven from VCC to 0V 3

150

MRN to Reset Delay

MRN driven from VCC to 0V 3

500

MRN Pullup Resistance

to VCC

10

20

26

VCC = 0.55V, ISINK = 10µA, Reset Asserted

VOL

RESETN Open-Drain

Output Voltage

VCC = 0.83V, ISINK = 80µA, Reset Asserted

0.2 ×

VCC

0.2 ×

VCC

ILEAK

RESETN Open-Drain

Output Leakage Current

VCC > VTH, Reset Not Asserted

1

VCC = 0.55V, ISINK = 10µA, Reset Asserted

VOL

RESETN Push/Pull

Output Voltage

VCC = 0.83V, ISINK = 80µA, Reset Asserted

0.2 ×

VCC

0.2 ×

VCC

VOH

VCC = 0.83V, ISOURCE = 40µA,

Reset Not Asserted

0.8 ×

VCC

Units

V

µA

V

%VTH

µs

ms

V

µs

ns

ns

kΩ

V

µA

V

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