參數(shù)資料
型號(hào)： MCP2140T-I/SS
廠商： Microchip Technology
文件頁(yè)數(shù)： 24/58頁(yè)
文件大?。?/td> 0K
描述： IC IRDA CONTROLLR DTE/DCE 20SSOP
標(biāo)準(zhǔn)包裝： 1,600
控制器類型： IRDA 標(biāo)準(zhǔn)協(xié)議?？刂破?br>
接口： UART
電源電壓： 3 V ~ 5.5 V
電流 - 電源： 2.2mA
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 20-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 20-SSOP
包裝： 帶卷 (TR)
配用： MCP2140DM-TMPSNS-ND - BOARD DEMO FOR MCP2140
MCP2140
DS21790A-page 30
Preliminary
2003 Microchip Technology Inc.
4.3
Timing Diagrams and Specifications
FIGURE 4-3:
EXTERNAL CLOCK TIMING
TABLE 4-3:
EXTERNAL CLOCK TIMING REQUIREMENTS
AC Specifications
Electrical Characteristics:
Standard Operating Conditions (unless otherwise specified):
Operating Temperature: -40
°C ≤ TA ≤ +85°C (industrial)
Operating Voltage VDD range is described in Section 4.1
Param.
No.
Sym
Characteristic
Min
Typ(1)
Max
Units
Conditions
1
TOSC External CLKIN Period (2, 3)
90.422
—
90.422
—
ns
Device Operation
Low Power mode
(PHACT drive Low)
Oscillator Period (2)
90.422
—
90.422
ns
1A
FOSC External CLKIN
Frequency (2, 3)
7.3728
MHz
Oscillator Frequency (2)
7.3728
—
7.3728
MHz
1B
FERR Error in Frequency
—
± 0.01
%
1C
ECLK External Clock Error
—
± 0.01
%
4
TosR,
TosF
Clock in (OSC1)
Rise or Fall Time
—
15
ns
Note 1: Data in the Typical (“Typ”) column is at 5V, 25
°C unless otherwise stated. These parameters are for design
guidance only and are not tested.
2: All specified values are based on oscillator characterization data under standard operating conditions.
Exceeding these specified limits may result in unstable oscillator operation and/or higher than expected
current consumption. When an external clock input is used, the “max” cycle time limit is “DC” (no clock) for
all devices.
3: A duty cycle of no more than 60% (High time/Low time or Low time/High time) is recommended for external
clock inputs.
OSC1
Q4
Q1
Q2
Q3
Q4
Q1
1
33
44
2
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