MIC2774 datasheet(4/18 Pages) MICROCHIP

4 / 18 page

MIC2774

DS20006527A-page 4



2022 Microchip Technology Inc.

FIGURE 1-1:

Timing Diagram.

Note 1: Propagation delays not shown for clarity.

2: The MIC2774 ignores very brief transients. See the Application Information section for details.

RST or /RST Output Voltage

High (H and L versions)

VOH

0.8 ×

VDD

—

ISOURCE = 500 µA; VDD ≥ 1.5V

0.8 ×

VDD

—

ISOURCE = 10 µA; VDD ≥ 1.2V;

Note 3

/MR Inputs

Input High Voltage

VIH

0.7 ×

VDD

—

Note 2

Input Low Voltage

VIL

—

0.3 ×

VDD

Note 2

Propagation Delay

tPROP

—

µs

V/MR < (VIL – 100 mV) Note 2

Minimum Input Pulse Width

tMIN

—

Reset occurs, V/MR < VIL

Internal Pull-Up Current

IPU

—

100

250

—

Input Current, /MR

IIN

—

100

250

V/MR < VIL

TEMPERATURE SPECIFICATIONS

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

Temperature Ranges

Operating Ambient Temperature Range

–40

—

+85

°C

Note 1

Storage Temperature Range

–65

—

+150

°C

—

Package Thermal Resistance

Thermal Resistance, SOT-23 5-Ld

θJA

—

256

—

°C/W —

Note 1: The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable

junction temperature and the thermal resistance from junction to air (i.e., TA, TJ, JA). Exceeding the

maximum allowable power dissipation will cause the device operating junction temperature to exceed the

maximum +85°C rating. Sustained junction temperatures above +85°C can impact the device reliability.

ELECTRICAL CHARACTERISTICS (CONTINUED)

Electrical Characteristics: TA = +25°C, bold values valid for –40°C ≤ TA ≤ +85°C, unless noted. Note 1, Note 2

Parameter

Sym.

Min.

Typ.

Max.

Units

Conditions

Note 1: Specification for packaged product only.

2: VDD equals nominal “Typical Application (VDD)” as shown in Table 5-1.

3: VDD operating range is 1.5V to 5.5V. Output is guaranteed to be asserted down to VDD = 1.2V.

V/MR

VIH

VIL

VIN

VTH

VDD

V/RST

(ACTIVE LOW)

VOH

VOL

VRST

(ACTIVE HIGH)

VOH

VOL

tRST

> tMIN

tRST

VHYST

VREF

VHYST

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