HCS320-I/SN Microchip Technology, HCS320-I/SN Datasheet - Page 22

• Manufacturer Part Number: HCS320-I/SN
• Description: IC CODE HOPP ENCODR 16FUNC 8SOIC
• Manufacturer: Microchip Technology
• Type: Code Hopping Encoderr

Specifications of HCS320-I/SN

• Applications: Remote Secure Access, Keyless Entry
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Ic Function: Encoder IC
• Supply Voltage Range: 3.5V To 13V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: SOIC
• No. Of Pins: 8
• Peak Reflow Compatible (260 C): Yes
• Termination Type: SMD
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Leaded Process Compatible: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

HCS320
FIGURE 8-5:
FIGURE 8-6:
TABLE 8-3:
DS41097C-page 22
Symbol
Header
T
Note:
T
T
Commercial(C):Tamb = 0°C to +70°C
T
T
HOP
T
T
—
—
FIX
Industrial(I):Tamb = -40°C to +85°C
BP
E
P
H
G
Hopping code duration
The timing parameters are not tested but derived from the oscillator clock.
PWM bit pulse width
LSB
Bit 0 Bit 1
Basic pulse element
Fixed code duration
Total Transmit Time
V
Preamble duration
Header duration
DD
Characteristic
PWM data rate
Encrypted Portion
Guard Time
= +3.5 to 13.0
CODE WORD TRANSMISSION TIMING REQUIREMENTS
P1
CODE WORD FORMAT: PREAMBLE/HEADER PORTION
CODE WORD FORMAT: DATA PORTION
Bit 30 Bit 31 Bit 32 Bit 33 Bit 58 Bit 59
23 T
MSB
E
Number
50% Duty Cycle Preamble
of T
102
199
430
23
10
96
—
1
3
LSB
E
120.3 172.0 266.7
1190
Min.
28.6
55.6
26.9
280
840
Serial Number
6.4
2.8
1200
Typ.
38.4
40.8
79.6
400
833
9.2
4.0
All
123.5
Max.
1860
14.3
59.5
63.2
620
538
6.2
MSB
Fixed Portion
P12
Code Words Transmitted
Bit 60 Bit 61 Bit 62 Bit 63 Bit 64 Bit 65
2381 1667 1075 4762 3333 2151
Min.
13.4
14.3
28.1
60.4
140
420
S3
3.2
1.4
10 T
1 out of 2
Button Code
S0
Typ.
19.2
20.4
39.8
86.0 133.3 29.9
200
600
4.6
2.0
E
Header
S1
Max.
29.8
31.6
61.7
310
930
7.1
3.1
S2
2001 Microchip Technology Inc.
Min.
13.8
210
1.6
0.7
6.7
7.1
70
Bit 0 Bit 1
V
Data Bits
1 out of 4
LOW
Status
Typ.
10.2
19.9
43.0
100
300
2.3
1.0
9.6
RPT
Max. Units
14.9
15.8
30.6
66.5
155
465
3.6
1.6
Guard
Time
bps
ms
ms
ms
ms
ms
ms
s
s