hcs500 Microchip Technology Inc., hcs500 Datasheet - Page 23

• Manufacturer Part Number: hcs500
• Description: Keeloq Code Hopping Decoder
• Manufacturer: Microchip Technology Inc.

HCS500
8.1.4
8.1.5
8.1.6
*
*
*
Symbol
2002 Microchip Technology Inc.
Symbol
Symbol
T
T
T
T
T
F
T
T
T
T
T
T
T
T
T
These parameters are characterized but not tested.
These parameters are characterized but not tested.
T
CLKH
These parameters are characterized but not tested.
RESP
ACK 2
CLKL
ACK
CLA
CLH
LRN
CLL
CLK
PP 1
PP 2
PP 3
DHI
CA
DS
ACTIVATE LEARN COMMAND IN MICRO MODE
ACTIVATE LEARN COMMAND IN STAND-ALONE MODE
LEARN STATUS STRING
Learn command activation time
Decoder acknowledge time
Microcontroller acknowledge
response time
Decoder data line low
Command request time
Microcontroller command
request time
Decoder request
acknowledge time
Clock high hold time
Clock low hold time
Clock high time
Clock low time
Clock frequency
Data hold time
Command request time
Learn command activation time
Erase-all command activation 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):
0.005
0.020
Min
500
Min
—
—
20
20
—
Min
—
—
—
20
20
—
—
0°C
-40°C
0°C
-40°C ð TA
-40°C
0°C
Typ
Typ
—
—
—
—
—
—
—
—
—
—
—
Typ
—
—
—
—
TA
TA
TA
TA
TA
+70 °C
+70°C
+70°C
+85°C
+85°C
+85°C
25000
1000
1000
Max
Max
500
500
100
1.2
1.2
1000
1000
10
Max
5
2
6
20
10
DS40153C-page 23
Units
Units
Units
ms
ms
ms
ms
Hz
ms
s
s
s
s
s
s
s
s
s
s