AS1917Z-T datasheet(3/13 Pages) AMSCO

Part #	AS1917Z-T

Description	Microprocessor Supervisory Circuits with Manual Reset and Watchdog

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Manufacturer	AMSCO [ams AG]

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AS1916 - AS1918

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Data Sheet

5 Electrical Characteristics

VCC = +2.7 to +3.6V for AS19xx-T/S/R, VCC = +2.1 to +2.75V for AS19xx- Z/Y, VCC = +1.53 to +2.0V for AS19xx-W/V;

TAMB = -40 to +125ºC (unless otherwise specified). Typ values @ TAMB = +25°C.

Table 3. Electrical Characteristics

Symbol

Parameter

1

Conditions

Min

Typ

Max Units

VCC

Operating Voltage Range

TAMB = 0 to +85ºC

1.0

3.6

V

TAMB = -40 to +125ºC

1.2

3.6

ICC

VCC Supply Current

(MRN and WDI Not Connected)

VCC = +3.6V, No Load,

TAMB = -40ºC to +85ºC

5.5

12

µA

VCC = +3.6V, No Load,

TAMB = -40 to +125ºC

19

VTH

VCC Reset Threshold

(VCC Falling)

TAMB = -40 to +85ºC

AS19xx-T

2.994

3.08

3.154

V

TAMB = -40 to +125ºC

2.972

3.179

TAMB = -40 to +85ºC

AS19xx-S

2.848

2.93

3.000

TAMB = -40 to +125ºC

2.827

3.024

TAMB = -40 to +85ºC

AS19xx-R

2.556

2.63

2.693

TAMB = -40 to +125ºC

2.538

2.714

TAMB = -40 to +85ºC

AS19xx-Z

2.255

2.32

2.376

TAMB = -40 to +125ºC

2.239

2.394

TAMB = -40 to +85ºC

AS19xx-Y

2.129

2.19

2.243

TAMB = -40 to +125ºC

2.113

2.260

TAMB = -40 to +85ºC

AS19xx-W

1.623

1.67

1.710

TAMB = -40 to +125ºC

1.612

1.723

TAMB = -40 to +85ºC

AS19xx-V

1.536

1.58

1.618

TAMB = -40 to +125ºC

1.525

1.631

Reset Threshold

Temperature Coefficient

60

ppm/

ºC

Reset Threshold Hysteresis

8 x

VTH

mV

tRD

VCC to Reset

Output Delay

VCC = VTH to (VTH - 100mV)

55

µs

tRP

Reset Timeout Period

TAMB = -40 to +85ºC

140

215

280

ms

TAMB = -40 to +125ºC

100

320

VOL

RESETN Output Low

(Push/Pull or Open-Drain)

VCC

≥ 1.0V, ISINK = 50µA,

Reset Asserted, TAMB = 0 to +85ºC

0.3

V

VCC

≥ 1.2V, ISINK = 100µA, Reset

Asserted

0.3

VCC

≥ 2.55V, ISINK = 1.2mA,

Reset Asserted

0.3

VCC

≥ 3.3V, ISINK = 3.2mA,

Reset Asserted

0.4

VOH

RESETN Output High

(Push/Pull Only)

VCC

≥ 1.8V, ISOURCE = 200µA,

Reset Not Asserted

0.8 x

VCC

V

VCC

≥ 3.15V, ISOURCE = 500µA,

Reset Not Asserted

0.8 x

VCC

≥ 3.3V, ISOURCE = 800µA,

Reset Not Asserted

0.8 x

VCC

ILKG

Open-Drain RESETN Output

Leakage Current

RESETN Not Asserted

1.0

µA

TAMB = +25ºC

0.2

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