HCS515(2002) Ver la hoja de datos (PDF) - Microchip Technology
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HCS515 Datasheet PDF : 32 Pages
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HCS515
8.1 AC Electrical Characteristics
8.1.1 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.
TDHI Command request time
0.0050
TCLA Micro request acknowledge time
0.0050
TACK Decoder Acknowledge time
—
TACT
Start Command mode to
first command bit
20
TCLKH Clock high time
20
TCLKL Clock low time
20
FCLK Clock frequency
500
TDS Data hold time
14
Note: These parameters are characterized but not tested.
Typ.
—
—
—
—
—
—
—
—
Max.
500
1
4
1200
1000
1000
25000
1000
Units
ms
ms
µs
µs
µs
µs
Hz
µs
8.1.2 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.
8.1.3 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.
© 2002 Microchip Technology Inc.
DS40183D-page 21
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