參數(shù)資料
型號: MCP2120T-I/SL
廠商: Microchip Technology
文件頁數(shù): 9/36頁
文件大?。?/td> 0K
描述: IC ENCODR/DECODR 2.5V IR 14-SOIC
標準包裝: 2,600
類型: 紅外線編碼器/解碼器
電壓 - 電源,模擬: 2.5 V ~ 5.5 V
電壓 - 電源,數(shù)字: 2.5 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
供應商設(shè)備封裝: 14-SOIC
包裝: 帶卷 (TR)
配用: MCP212XDM-ND - BOARD DEVELOPMENT IRDA
其它名稱: MCP2120TI/SL
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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