MAX32664 datasheet(4/10 Pages) MAXIM

4 / 10 page

(Limits are 100% tested at TA = +25°C and TA = +105°C. Limits over the operating temperature range and relevant supply voltage

range are guaranteed by design and characterization. Specifications marked GBD are guaranteed by design and not production tested.

Specifications to the minimum operating temperature are guaranteed by design and are not production tested.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

POWER SUPPLIES

Supply Voltage

VDD

1.71

1.8

3.63

Power-Fail Reset Voltage

VRST

Monitors VDD

1.63

1.71

Power-On Reset Voltage

VPOR

Monitors VDD

1.4

DIGITAL I/O

Input Low Voltage for

RSTN, SLAVE_SCL

VIL_RSTN

0.3 ×

VDD

Input High Voltage for All

GPIO, RSTN

VIH_RSTN

0.7 ×

VDD

Output Low Voltage for

SENSOR_SDA,

SENSOR_SCL,

SLAVE_SDA

VOL_I2C

VDD = 1.71V, IOL = 2mA

0.2

0.4

Output High Voltage for

SENSOR_SDA,

SENSOR_SCL,

SLAVE_SDA

VOH_I2C

VDD = 1.71V, IOH = 2mA,

VDD - 0.4

Input Hysteresis (Schmitt)

VIHYS

300

Input/Output Pin

Capacitance for All Pins

CIO

Input Leakage Current Low

IIL

VIN = 0V, internal pullup disabled

-500

+500

Input Leakage Current High

IIH

VIN = 3.6V, internal pulldown disabled

-500

+500

Input Pullup Resistor to

RSTN

RPU_VDD

Pullup to VDD = 3.63V

10.5

kΩ

CLOCKS

System Clock Frequency

fSYS_CLK

MHz

RTC Input Frequency

f32KIN

32.768kHz watch crystal, CL = 6pF,

ESR < 90kΩ, C0 < 2pF

32.768

kHz

RTC Operating Current

IRTC

All power modes, RTC enabled

0.57

μA

RTC Power-Up Time

tRTC_ ON

250

Electrical Characteristics

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MAX32664

Ultra-Low Power

Biometric Sensor Hub

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