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參數(shù)資料
| 型號： | MCP2140 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | IrDA Standard Protocol Stack Controller With Fixed 9600 Baud Communication Rate(固定波特率,低成本,IrDA標(biāo)準(zhǔn)協(xié)議編譯碼器) |
| 中文描述： | 標(biāo)準(zhǔn)的IrDA協(xié)議?？刂破?，固定通信速率9600波特（固定波特率，低成本，紅外標(biāo)準(zhǔn)協(xié)議編譯碼器） |
| 文件頁數(shù)： | 27/58頁 |
| 文件大小： | 1001K |
| 代理商： | MCP2140 |
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2003 Microchip Technology Inc.
Preliminary
DS21790A-page 27
MCP2140
4.1
DC Characteristics
DC Specifications
Electrical Characteristics:
Standard Operating Conditions (unless otherwise specified)
Operating Temperature: -40
°
C
≤
T
A
≤
+85
°
C (industrial)
Param.
No.
Sym
Characteristic
Min
Typ
(1)
Max
Units
Conditions
D001
V
DD
Supply Voltage
3.0
—
5.5
V
See
Figure 4-1
D002
V
DR
RAM Data Retention
Voltage
(2)
2.0
—
—
V
Device Oscillator/Clock stopped
D003
V
POR
V
DD
Start Voltage to
ensure Power-on Reset
—
V
SS
—
V
D004
SV
DD
V
DD
Rise Rate to
ensure Power-on Reset
Supply Current
(3, 4)
0.05
—
—
V/ms
D010
D010A
Note 1:
Data in the Typical (“Typ”) column is based on characterization results at 25
°
C. This data is for design
guidance only and is not tested.
I
DD
—
—
—
25
2.2
60
mA
μA
V
DD
= 3.0V, PHACT = H
V
DD
= 3.0V, PHACT = L
2:
This is the limit to which V
DD
can be lowered without losing RAM data.
3:
When the device is in IR communication (PHACT pin is high), supply current is mainly a function of the
operating voltage and frequency. Pin loading, pin rate and temperature have an impact on the current con-
sumption.The test conditions for all I
DD
measurements are made when device is:
OSC1 = external square wave, from rail-to-rail; all input pins pulled to V
SS
, RXIR = V
DD
, RESET = V
DD
;
4:
When the device is in low power mode (PHACT pin is low), current is measured with all input pins tied to
V
DD
or V
SS
and the output pins driving a high or low level into infinite impedance.
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