参数资料
型号: MCP2140A-I/SO
厂商: Microchip Technology
文件页数: 28/66页
文件大小: 0K
描述: IC IRDA CONTROLLR DTE/DCE 18SOIC
标准包装: 42
控制器类型: IRDA 标准协议栈控制器
接口: UART
电源电压: 3 V ~ 5.5 V
电流 - 电源: 2.2mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 18-SOIC(0.295",7.50mm 宽)
供应商设备封装: 18-SOIC
包装: 管件
产品目录页面: 685 (CN2011-ZH PDF)
配用: MCP2140DM-TMPSNS-ND - BOARD DEMO FOR MCP2140
MCP2140A
DS22050B-page 34
2007-2011 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 +85C (industrial)
Operating Voltage VDD range is described in Section 4.1 “DC
Param.
No.
Sym
Characteristic
Min
Typ(1)
Max
Units
Conditions
1TOSC External CLKIN Period (3, 4)
271.3
271.3
ns
Device Operation
Low Power mode
(PHACT drives Low)
Oscillator Period (3)
271.3
271.3
ns
1A
FOSC External CLKIN
Frequency (3, 4)
3.6864
MHz
Oscillator Frequency (3)
3.6864
3.6864
MHz
1B
FERR Error in Frequency
± 0.01
%
1C
ECLK External Clock Error
± 0.01
%
3TosH,
TosL
Clock in (OSC1 or CLKI)
High or Low Time
100 (2)
——
ns
4TosR,
TosF
External Clock in (OSC1 or
CLKI) Rise or Fall Time
——
85 (2)
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:
These parameters are for design guidance only and are not tested.
3:
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.
4:
A duty cycle of no more than 60% (High time/Low time or Low time/High time) is recommended for external
clock inputs.
OSC1 or
Q4
Q1
Q2
Q3
Q4
Q1
1
33
44
2
CLKI
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