HCS301-IP Microchip Technology, HCS301-IP Datasheet - Page 17

• Manufacturer Part Number: HCS301-IP
• Description: KEELOQ CODE HOPPING ENCODER
• Manufacturer: Microchip Technology

FIGURE 8-5:
TABLE 8-4:
FIGURE 8-6:
V
Commercial (C): Tamb = 0 C to +70 C
Industrial
Note:
Symbol
Header
1996 Microchip Technology Inc.
DD
T
T
T
T
T
T
T
HOP
—
—
FIX
BP
E
P
H
G
= +3.5 to 13.0
The timing parameters are not tested but derived from the oscillator clock.
Basic pulse element
PWM bit pulse width
Preamble duration
Header duration
Hopping code duration
Fixed code duration
Guard Time
Total Transmit Time
PWM data rate
LSB
Bit 0 Bit 1
(I): Tamb = -40 C to +85 C
Hopping Code Word
Characteristic
DATA WORD FORMAT
CODE WORD TRANSMISSION TIMING REQUIREMENTS
HCS301 TE VS. TEMP (BY CHARACTERIZATION ONLY)
Bit 30 Bit 31 Bit 32 Bit 33 Bit 58 Bit 59
TE
MSB
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
Number
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
of T
102
270
23
10
96
39
—
1
3
LSB
E
Serial Number
1190
Min.
26.9
28.6
10.9
75.6 108.0 167.4 37.8
280
840
6.4
2.8
Preliminary
1200 1860
Typ.
38.4
40.8
15.6
TEMPERATURE
400
833
All
9.2
4.0
V
DD
V
V
V
Typical
T
DD
T
DD
DD
T
E
= 5.0V
E
E
Max.
Min.
24.2
14.3
59.5
63.2
Max.
MSB
620
538
6.2
Max.
= 3.5V
5.0V
5.0V
Fixed Code Word
Bit 60 Bit 61 Bit 62 Bit 63 Bit 64 Bit 65
2381 1667 1075 4762 3333 2151
Min.
Code Words Transmitted
13.4
14.3
140
420
S3
3.2
1.4
5.5
1 out of 2
Button Code
S0
Typ.
19.2
20.4
54.0
200
600
4.6
2.0
7.8
S1
Max.
12.1
29.8
31.6
83.7
310
930
7.1
3.1
S2
Min.
18.9
210
1.6
0.7
7.1
2.7
6.7
70
VLOW RPT
1 out of 4
HCS301
Status
Typ.
10.2
27.0
100
300
2.3
1.0
9.6
3.9
DS21143A-page 17
Max. Units
14.9
15.8
41.9
155
465
1.6
3.6
6.0
Guard
Time
bps
ms
ms
ms
ms
ms
ms
s
s