MCP2155_13 datasheet(27/52 Pages) MICROCHIP

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Preliminary

DS21690B-page 27

MCP2155

4.1

DC Characteristics

Standard Operating Conditions (unless otherwise specified)

Operating Temperature:

–40

C  TA  +85C (industrial)

Param.

No.

Sym

Characteristic

Min

Typ(1)

Max

Units

Conditions

D001

VDD

Supply Voltage

3.0

—

5.5

See Figure 4-1

D002

VDR

RAM Data Retention

Voltage (2)

2.0

—

Device Oscillator/Clock stopped

D003

VPOR

VDD Start Voltage to

ensure Power-on Reset

—VSS

—V

D004

SVDD

VDD Rise Rate to

ensure Power-on Reset

0.05

—

V/ms

D010

IDD

Supply Current (3)

—

4.0

2.2

7.0

FOSC = 11.0592 MHz, VDD = 3.0V

FOSC = 11.0592 MHz, VDD = 5.5V

D020

IPD

Device Disabled

Current (3, 4)

—

2.2

µA

VDD = 3.0V

VDD = 5.5V

Note 1: Data in the Typical (“Typ”) column is based on characterization results at 25

C. This data is for design guid-

ance only and is not tested.

2: This is the limit to which VDD can be lowered without losing RAM data.

3: The supply current is mainly a function of the operating voltage and frequency. Pin loading, pin rate, and

temperature have an impact on the current consumption.

The test conditions for all IDD measurements are made when device is enabled (EN pin is high):

OSC1 = external square wave, from rail-to-rail; all input pins pulled to VSS, RXIR = VDD,

RESET = VDD;

When device is disabled (EN pin is low), the conditions for current measurements are the same.

4: When the device is disabled (EN pin is low), current is measured with all input pins tied to VDD or VSS and

the output pins driving a high or low level into infinite impedance.

21690B.book Page 27 Thursday, January 10, 2013 1:06 PM

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