参数资料
型号: MCP2120-I/P
厂商: Microchip Technology
文件页数: 9/36页
文件大小: 0K
描述: IC ENCODER/DECODR INFRARED 14DIP
标准包装: 30
类型: 红外线编码器/解码器
电压 - 电源,模拟: 2.5 V ~ 5.5 V
电压 - 电源,数字: 2.5 V ~ 5.5 V
安装类型: 通孔
封装/外壳: 14-DIP(0.300",7.62mm)
供应商设备封装: 14-PDIP
包装: 管件
产品目录页面: 684 (CN2011-ZH PDF)
配用: MCP212XDM-ND - BOARD DEVELOPMENT IRDA
2007 Microchip Technology Inc.
DS21618B-page 17
MCP2120
4.3
Timing Diagrams and Specifications
FIGURE 4-3:
External Clock Timing
TABLE 4-3:
EXTERNAL CLOCK TIMING REQUIREMENTS
AC 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 “DC
Param.
No.
Sym
Characteristic
Min
Typ(1)
Max
Units
Conditions
1TOSC
External CLKIN Period (2,3)
50
ns
Oscillator Period (2)
50
500
ns
1A
FOSC
External CLKIN
Frequency (2,3)
DC
20
MHz
Oscillator Frequency (2)
2—
20
MHz
1C
ECLK
Clock Error
0.01
%
3TosL,
TosH
Clock in (OSC1)
Low or High Time
10
ns
4TosR,
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 characterization data for that particular oscillator type under standard
operating conditions with the device executing code. Exceeding these specified limits may result in an
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 60/40 (High Time / Low Time or Low Time / High Time) is recommended for
external clock inputs.
OSC1
Q4
Q1
Q2
Q3
Q4
Q1
13
3
44
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