hcs362 Microchip Technology Inc., hcs362 Datasheet - Page 26

• Manufacturer Part Number: hcs362
• Description: Keeloq Code Hopping Encoder
• Manufacturer: Microchip Technology Inc.

HCS362
FIGURE 7-1:
TABLE 7-3:
DS40189D-page 26
V
Industrial
Transmit delay from button detect
Debounce delay
Auto-shutoff time-out period (TIMO=10)
RFEN after key press
LED on after key press
Time to terminate code word from previous
button press
Note 1: Transmit delay maximum value if the previous transmission was successfully transmitted.
DD
RFEN
DATA
S
= +2.0 to 6.3V
LED
N
2: The Auto-shutoff time-out period is not tested.
3: These values are characterized but not tested
(I): T
T
Parameter
Button Press
Detect
POWER-UP AND TRANSMIT TIMING
TP
POWER-UP AND TRANSMIT TIMING REQUIREMENTS
AMB
T
T
T
= -40 C to +85 C
RFON
LED
DB
Code Word from previous button press
T
TD
Symbol
T
T
T
T
T
RFON
T
LED
TD
DB
TO
TP
Preliminary
Code Word
1
T
TO
Min.
23.4
26
18
22
25
—
Code Word
2
Typical
25.6
30
20
26
—
—
Code Word
3
10 ms
28.16
Max.
(3)
40
22
36
45
Code Word
2002 Microchip Technology Inc.
Unit
ms
ms
ms
ms
n
—
s
Remarks
(Note 1)
(Note 2)
1 T
—
—
—
—
E