MCP2155_13 datasheet(28/52 Pages) MICROCHIP

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MCP2155

DS21690B-page 28

Preliminary

 2001-2013 Microchip Technology Inc.

DC Characteristics (Continued)

DC CHARACTERISTICS

Standard Operating Conditions (unless otherwise specified)

Operating temperature:

–40°C

 TA  +85°C (industrial)

Operating voltage VDD range as described in DC spec Section 4.1.

Param

No.

Sym

Characteristic

Min

Typ

Max

Units

Conditions

Input Low Voltage

VIL

Input pins

D030

with TTL buffer

(TX, RI, DTR, RTS, CD,

and EN)

VSS

—0.8V

4.5

 VDD 5.5V

D030A

VSS

—

0.15VDD

Votherwise

D031

with Schmitt Trigger buffer

(BAUD1, BAUD0, and RXIR)

VSS

—0.2VDD

D032

RESET

VSS

—0.2VDD

D033

OSC1

VSS

—0.3VDD

Input High Voltage

VIH

Input pins

—

D040

with TTL buffer

(TX, RI, DTR, RTS, CD,

and EN)

2.0

—

VDD

V4.5

 VDD 5.5V

D040A

0.25VDD

+ 0.8

—VDD

otherwise

D041

with Schmitt Trigger buffer

(BAUD1, BAUD0, and RXIR)

0.8VDD

—VDD

D042

RESET

0.8VDD

—VDD

D043

OSC1

0.7VDD

—VDD

Input Leakage Current

(Notes 1, 2)

D060

IIL

Input pins

—

±1

µA

VSS

VPIN VDD, Pin at

hi-impedance

D061

RESET

——

±5

µA

VSS

VPIN VDD

D063

OSC1

—

±5

µA

VSS

VPIN VDD

Note 1: The leakage current on the RESET pin is strongly dependent on the applied voltage level. The specified lev-

els represent normal operating conditions. Higher leakage current may be measured at different input volt-

ages.

2: Negative current is defined as coming out of the pin.

21690B.book Page 28 Thursday, January 10, 2013 1:06 PM

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