hcs515 Microchip Technology Inc., hcs515 Datasheet - Page 21

• Manufacturer Part Number: hcs515
• Description: Keeloq Code Hopping Decoder Keeloq Code Hopping Decoder
• Manufacturer: Microchip Technology Inc.

8.1
8.1.1
8.1.2
8.1.3
Note:
Note:
Note:
2002 Microchip Technology Inc.
Symbol
Symbol
Symbol
T
T
T
T
T
T
T
T
T
T
T
F
T
START
F
T
T
T
T
ADDR
T
CLKH
T
RESP
CLKH
DATA
CLKL
CLKL
CMD
REQ
ACK
CLA
ACK
ACT
CLK
CLK
DHI
RD
DS
DS
AC Electrical Characteristics
These parameters are characterized but not tested.
These parameters are characterized but not tested.
These parameters are characterized but not tested.
VALID TRANSMISSION NOTIFICATION
COMMAND MODE ACTIVATION
READ FROM USER EEPROM COMMAND
Decoder EEPROM read time
Command request time
Microcontroller request
acknowledge time
Decoder acknowledge time
Start Command mode to first
command bit
Clock high time
Clock low time
Clock frequency
Data hold time
Command validate time
Address validate time
Data validate time
Command request time
Micro request acknowledge time
Decoder Acknowledge time
Start Command mode to
first command bit
Clock high time
Clock low time
Clock frequency
Data hold time
Parameters
Parameters
Parameters
Standard Operating Conditions (unless otherwise specified):
Commercial (C):
Industrial (I):
Standard Operating Conditions (unless otherwise specified):
Commercial (C):
Industrial (I):
Standard Operating Conditions (unless otherwise specified)
Commercial (C):
Industrial (I):
0.0050
0.0050
0.0050
1000
Min.
Min.
Min.
500
500
20
20
20
14
20
20
20
14
—
—
—
—
—
—
0°C
-40°C
0°C
-40°C
0°C TA
-40°C
Typ.
Typ.
Typ.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
TA
TA
TA
TA
TA
+70°C
+70°C
+70°C
+85°C
+85°C
+85°C
25000
25000
1000
Max.
1000
1000
1000
Max.
1200
1000
1000
Max.
2000
500
500
10
10
10
—
1
4
1
4
HCS515
DS40183D-page 21
Units
Units
Units
ms
ms
ms
ms
Hz
Hz
s
s
s
s
s
s
s
s
s
s
s
s
s
s