MAX7313 datasheet(4/27 Pages) MAXIM

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16-Port I/O Expander with LED Intensity

Control, Interrupt, and Hot-Insertion Protection

_______________________________________________________________________________________

TIMING CHARACTERISTICS (continued)

(Typical Operating Circuit, V+ = 2V to 3.6V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at V+ = 3.3V, TA = +25°C.)

(Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Interrupt Valid

tIV

Figure 10

6.5

µs

Interrupt Reset

tIR

Figure 10

µs

Output Data Valid

tDV

Figure 10

µs

Input Data Setup Time

tDS

Figure 10

100

Input Data Hold Time

tDH

Figure 10

µs

Note 1: All parameters tested at TA = +25°C. Specifications over temperature are guaranteed by design.

Note 2: A master device must provide a hold time of at least 300ns for the SDA signal (referred to VIL of the SCL signal) to bridge

the undefined region of SCL’s falling edge.

Note 3: Guaranteed by design.

Note 4: Cb = total capacitance of one bus line in pF. tR and tF measured between 0.3 x VDD and 0.7 x VDD.

Note 5: ISINK

≤ 6mA. Cb = total capacitance of one bus line in pF. tR and tF measured between 0.3 x VDD and 0.7 x VDD.

Note 6: Input filters on the SDA and SCL inputs suppress noise spikes less than 50ns.

STANDBY CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

110

65 80

-10 5

20 35 50

-25

-40

125

V+ = 3.6V

PWM ENABLED

V+ = 2.7V

PWM ENABLED

V+ = 2V

PWM DISABLED

V+ = 2.7V

PWM DISABLED

V+ = 3.6V

PWM

DISABLED

V+ = 2V

PWM ENABLED

SUPPLY CURRENT vs. TEMPERATURE

(PWM DISABLED; fSCL = 400kHz)

TEMPERATURE (

°C)

110

65 80

-10 5

20 35 50

-25

-40

125

V+ = 3.6V

V+ = 2.7V

V+ = 2V

SUPPLY CURRENT vs. TEMPERATURE

(PWM ENABLED; fSCL = 400kHz)

TEMPERATURE (

°C)

110

65 80

-10 5

20 35 50

-25

-40

125

V+ = 3.6V

V+ = 2.7V

V+ = 2V

__________________________________________Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)

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