RFHCS362GT-I/SO Microchip Technology, RFHCS362GT-I/SO Datasheet - Page 9

• Manufacturer Part Number: RFHCS362GT-I/SO
• Description: IC CODE HOPPNG ENCDR W/RF 18SOIC
• Manufacturer: Microchip Technology

Specifications of RFHCS362GT-I/SO

• Frequency: 310MHz ~ 440MHz
• Applications: Automotive, Building Access, Garage Openers
• Modulation Or Protocol: ASK, FSK
• Data Rate - Maximum: 3.3 kbps
• Power - Output: -12dBm ~ 2dBm
• Current - Transmitting: 11.5mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 18-SOIC (0.300", 7.50mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -

2.0
The block diagram in Figure 2-1 shows the internal
configuration with the top half representing the encoder
and the bottom half the UHF transmitter. Note that con-
nections between the encoder and transmitter are
made external to the device for more versability.
Typical application circuits are shown in Figure 1-5 and
Figure 1-6. The rfHCS362G/362F requires only the
addition of push button switches and few external com-
ponents for use as a transmitter in your security appli-
cation. See Table 2-1 for pinout description. Figure 2-2
shows the device I/O circuits.
2002 Microchip Technology Inc.
DEVICE DESCRIPTION
Preliminary
FIGURE 2-1:
PS/DATA
CLKOUT
RFEN
Note 1: rfHCS362F only.
V
V
V
V
DDRF
SSRF
SS
DD
IN
DATA
RFEN
ASK
LED
rfHCS362G/362F
RESET Circuit
Control
LED Driver
Divide
Mode
PLL Driver
Logic
Oscillator
by 4
EEPROM
rfHCS362 BLOCK DIAGRAM
SHIFT
Divide
Fixed
by 32
32-bit Shift Register
Button Input Port
Controller
S3 S2 S1 S0
FSK Switch
Charge Pump
ANT2
Oscillator
Controlled
Oscillator
Crystal
Detector
Amplifier
Voltage
Phase
(VCO)
Power
(PA)
and
Encoder
DS41189A-page 9
ANT1
Switching
Latching
Power
and
DATA
FSK
OUT
FSK
XTAL
LF
(1)
(1)