HCS201-I/SN Microchip Technology, HCS201-I/SN Datasheet - Page 19

• Manufacturer Part Number: HCS201-I/SN
• Description: IC CODE HOPP ENCODER 7FUNC 8SOIC
• Manufacturer: Microchip Technology
• Type: Code Hopping Encoderr

Specifications of HCS201-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

FIGURE 8-1:
TABLE 8-3:
FIGURE 8-2:
Standard Operating Conditions (unless otherwise specified):
Commercial(C): Tamb = 0°C to +70°C
Industrial(I): Tamb = -40°C to +85°C
2001 Microchip Technology Inc.
Symbol
Note 1: T
Button
T
T
T
T
Input
Output
Ts
Sn
DATA
DB
TO
BP
TD
2: Typical values - not tested in production.
Button Press
Detect
(the intention was to press the combination of buttons).
Time to second button press
Transmit delay from button detect
Debounce Delay
Auto-shutoff time-out period
START Pulse Delay
BP
T
50% Duty Cycle
S
is the time in which a second button can be pressed without completion of the first code word
POWER-UP AND TRANSMIT TIMING
Preamble
T
E
Bit Period
POWER-UP AND TRANSMIT TIMING
CODE WORD FORMAT
T
P
T
T
T
E
BP
DB
T
Parameter
E
T
TD
LOGIC ‘0’
LOGIC ‘1’
T
BP
Header
T
H
Encrypted Portion
of Transmission
Code
Word
1
10 + Code
T
HOP
Word
T
Min.
12
TO
(2)
6
Multiple Code Word Transmission
Code
Word
2
Typ.
4.5
27
Code
Word
Fixed Portion of
Transmission
3
26 + Code
T
FIX
Word
Max.
26
20
Code
Word
4
Unit
ms
ms
ms
ms
Guard
HCS201
s
Time
T
Code
Word
G
DS41098C-page 19
n
Conditions
(Note 1)