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HCS515 数据表(PDF) 25 Page - Microchip Technology

部件名 HCS515
功能描述  KEELOQ짰 Code Hopping Decoder stand-alone decoder
PDF  38 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

HCS515 数据表(HTML) 25 Page - Microchip Technology

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© 2011 Microchip Technology Inc.
DS40183E-page 25
HCS515
9.1
AC Electrical Characteristics
9.1.1
VALID TRANSMISSION NOTIFICATION
Standard Operating Conditions (unless otherwise specified)
Commercial (C):
0°C
≤TA ≤+70°C
Industrial (I):
-40°C
≤TA ≤+85°C
Symbol
Parameters
Min.
Typ.
Max.
Units
TDHI
Command request time
0.0050
—
500
ms
TCLA
Micro request acknowledge time
0.0050
—
1
ms
TACK
Decoder Acknowledge time
—
—
4
μs
TACT
Start Command mode to
first command bit
20
—
1200
μs
TCLKH
Clock high time
20
—
1000
μs
TCLKL
Clock low time
20
—
1000
μs
FCLK
Clock frequency
500
—
25000
Hz
TDS
Data hold time
14
—
1000
μs
Note:
These parameters are characterized but not tested.
9.1.2
COMMAND MODE ACTIVATION
Standard Operating Conditions (unless otherwise specified):
Commercial (C):
0°C
≤TA ≤+70°C
Industrial (I):
-40°C
≤TA ≤+85°C
Symbol
Parameters
Min.
Typ.
Max.
Units
TREQ
Command request time
0.0050
—
500
ms
TRESP
Microcontroller request
acknowledge time
——
1
ms
TACK
Decoder acknowledge time
—
—
4
μs
TSTART
Start Command mode to first
command bit
20
—
1000
μs
TCLKH
Clock high time
20
—
1000
μs
TCLKL
Clock low time
20
—
1000
μs
FCLK
Clock frequency
500
—
25000
Hz
TDS
Data hold time
14
—
—
μs
TCMD
Command validate time
—
—
10
μs
TADDR
Address validate time
—
—
10
μs
TDATA
Data validate time
—
—
10
μs
Note:
These parameters are characterized but not tested.
9.1.3
READ FROM USER EEPROM COMMAND
Standard Operating Conditions (unless otherwise specified):
Commercial (C):
0°C
≤TA ≤+70°C
Industrial (I):
-40°C
≤TA ≤+85°C
Symbol
Parameters
Min.
Typ.
Max.
Units
TRD
Decoder EEPROM read time
1000
—
2000
μs
Note:
These parameters are characterized but not tested.



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