MCP2140A-I/SO 查看數據表（PDF） - Microchip Technology

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MCP2140A-I/SO

IrDA® Standard Protocol Stack Controller With Fixed 9600 Baud Communication Rate

Microchip Technology 

MCP2140A

4.1 DC Characteristics (Continued)

DC Specifications

Electrical 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

“DC Characteristics”.

Param

No.

Sym

Characteristic

Min

Typ Max Units

Conditions

Input Low Voltage

VIL Input pins

D030

TX, RI, DTR, RTS, and CD

VSS

—

0.8V

V 4.5V ≤ VDD ≤ 5.5V

D030A

VSS

— 0.15 VDD V otherwise

D032

RESET

VSS

— 0.2 VDD V

D033

OSC1

VSS

—

0.6

V

Input High Voltage

VIH Input pins

—

D040

TX, RI, DTR, RTS, and CD

0.8 VDD —

VDD

V

D042

RESET

0.8 VDD —

VDD

V

D043

OSC1

1.3

—

VDD

V

Input Leakage Current

(Notes 1, 2)

D060 IIL TX, RI, DTR, RTS, and CD

—

—

±1

µA VSS ≤ VPIN ≤ VDD, pin at

high-impedance.

D061

RESET

—

—

±5

µA VSS ≤ VPIN ≤ VDD

D063

OSC1

—

—

±5

µA VSS ≤ VPIN ≤ VDD

Output Low Voltage

D080 VOL TXIR, RX, DSR, and CTS pins

—

—

0.6

V IOL = 8.5 mA, VDD = 4.5V

Output High Voltage (Note 2)

D090 VOH TXIR, RX, DSR, and CTS pins VDD - 0.7 —

—

V IOH = -3.0 mA, VDD = 4.5V

Capacitive Loading Specs

on Output Pins

D100 COSC2 OSC2 pin

—

—

15

pF When external clock is

used to drive OSC1.

D101 CIO All Input or Output pins

—

—

50

pF

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

levels represent normal operating conditions. Higher leakage current may be measured at different input

voltages.

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

DS22050A-page 32

© 2007 Microchip Technology Inc.

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