MCP6544 datasheet(5/46 Pages) MICROCHIP

5 / 46 page

 2011 Microchip Technology Inc.

DS21696G-page 5

MCP6541/1R/1U/2/3/4

FIGURE 1-1:

Timing Diagram for the CS

Pin on the MCP6543.

FIGURE 1-2:

Propagation Delay Timing

Diagram.

MCP6543 CHIP SELECT (CS) CHARACTERISTICS

Electrical Specifications: Unless otherwise indicated, VDD = +1.6V to +5.5V, VSS = GND, TA = +25°C, VIN+ = VDD/2, VIN– = VSS,

and CL= 36 pF (Refer to Figures 1-1 and 1-3).

Parameters

Sym

Min

Typ

Max

Units

Conditions

CS Low Specifications

CS Logic Threshold, Low

VIL

VSS

—0.2 V

CS Input Current, Low

ICSL

—5.0

—

CS = V

CS High Specifications

CS Logic Threshold, High

VIH

0.8 VDD

—VDD

CS Input Current, High

ICSH

—1—

CS = VDD

CS Input High, VDD Current

IDD

—18

—

CS = VDD

CS Input High, GND Current

ISS

—

–20

—

CS = VDD

Comparator Output Leakage

IO(LEAK)

—1—

VOUT = VDD, CS = VDD

CS Dynamic Specifications

CS Low to Comparator Output Low

Turn-on Time

tON

—2

CS = 0.2 VDD to VOUT = VDD/2,

VIN– = VDD

CS High to Comparator Output

High Z Turn-off Time

tOFF

—10

—

µs

CS = 0.8 VDD to VOUT = VDD/2,

VIN– = VDD

CS Hysteresis

VCS_HYST

—0.6

—

VDD = 5V

VIL

Hi-Z

tON

VIH

tOFF

VOUT

-20 pA (typ.)

Hi-Z

ISS

ICS

1pA (typ.)

-20 pA (typ.)

-0.6 µA (typ.)

VOL

tPLH

VOUT

VIN–

100 mV

tPHL

VOL

VIN+ = VDD/2

VOH

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