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參數(shù)資料
| 型號(hào)： | HCS473-PQTP |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Code Hopping Encoder and Transponder |
| 中文描述： | 跳碼編碼器和轉(zhuǎn)發(fā)器 |
| 文件頁(yè)數(shù)： | 57/68頁(yè) |
| 文件大?。?/td> | 1629K |
| 代理商： | HCS473-PQTP |
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2002 Microchip Technology Inc.
Preliminary
DS40035C-page 55
HCS473
Analog delays
T
FILTR
T
FILTF
T
ANTR
T
ANTF
Note 1:
Fosc = 4 MHz. F
OSC
= 4 MHz may be centered at the designer’s choice of supply voltage (V
DD
) and tempera-
ture.
2:
LF
TE
is based on the HCS473’s timing, not the timing of the transponder reader. Therefore LF
TE
is subject to
HCS473 oscillator variation.
3:
Response timing accounts for
T
FILTR
but not for
T
ANTR
or
T
ANTF
, as they are design dependent. The system
designer must compensate communication accordingly for
T
ANTR
and
T
ANTF
.
4:
Min and Max values modified for F
OSC
= 4 MHz + 10%, -20%. Timing parameters are characterized but not
tested. Very Important: Refer to Section 3.2.7 for communication requirements when using an Industrial tem-
perature device at 3.5V < V
DD
< 5.5V.
—
—
15
μ
s
70
μ
s
—
—
HCS473 analog LF filter charge time
HCS473 analog LF filter discharge time
Cumulative LF antenna delay when field is turned on
Cumulative LF antenna delay when field is turned off
Hardware design dependent
Hardware design dependent
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| HCS473-PSQTP | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder and Transponder |
| HCS473SLQTP | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Code Hopping Encoder and Transponder |
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