ATA3742P3-TGSY Atmel, ATA3742P3-TGSY Datasheet - Page 16

• Manufacturer Part Number: ATA3742P3-TGSY
• Description: IC UHF ASK/FSK RECEIVER 20SOIC
• Manufacturer: Atmel

Specifications of ATA3742P3-TGSY

• Frequency: 310MHz ~ 440MHz
• Sensitivity: -108dBm
• Data Rate - Maximum: 10 kBaud
• Modulation Or Protocol: ASK, FSK
• Applications: RKE, TPM, Security Systems
• Current - Receiving: 7mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 20-SOIC (0.300", 7.50mm Width)
• Operating Frequency (max): 450000kHz
• Operating Temperature (min): -40C
• Operating Temperature (max): 105C
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Lead Free Status / Rohs Status: Compliant

Figure 5-4.
Figure 5-5.
Figure 5-6.
Figure 5-7.
16
ATA3742
(Lim_min = 14, Lim_max = 24)
Enable IC
Bit check
Bit check
Dem_out
counter
(Lim_min = 14, Lim_max = 24)
Enable IC
Bit check
(Lim_min = 14, Lim_max = 24)
Enable IC
Bit check
Bit check
Dem_out
counter
Timing Diagram for Complete Successful Bit Check
Timing Diagram During Bit Check
Timing Diagram for Failed Bit Check (Condition: CV_Lim < Lim_min)
Bit check
Dem_out
counter
Timing Diagram for Failed Bit Check (Condition: CV_Lim
(Number of checked Bits: 3)
Enable IC
Bit check
Dem_out
Data
Startup mode
Start up mode
Startup mode
T
Startup
0
0
0
1 2
1 2
1 2
3 4
3 4
3 4
T
5 6
XCLK
5 6
5 6
Bit check mode
7 8
1/2 Bit
1
7 1
2 3
1 2
2 3
4 5
1/2 Bit
3 4
1/2 Bit
4 5
6 7
5 6
Bit check mode
Bit check mode
6 7
8
1/2 Bit
7 8
Bit check failed (CV_Lim_ < Lim_min)
1/2 Bit
9 10
8
9 10
Bit check ok
9 10
1/2 Bit
11 12
1/2 Bit
11 12
11 12
13 14
13 14
1/2 Bit
15 16
Bit check ok
15 16
Lim_max)
17 18
17 18
Bit check failed (CV_Lim_
1/2 Bit
19 20
1 2
0
Sleep mode
21 22
3 4
23 24
5 6
1/2 Bit
Receiving mode
7 8
9 10
11 12
Sleep mode
Bit check ok
Lim_max)
0
13 14
15
1/2 Bit
1 2
3 4
4900B–RKE–11/07