Linx Technologies TRM-xxx-TT - Manual (Page 5)

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TT Series Transceiver Specifications
Parameter Symbol Min. Typ. Max. Units Notes
Input
Logic Low V
I L
0.8 VDC 9
Logic Low V
I L
V
CC
*0.15 VDC 10
Logic High V
I H
2 5.5 9
Logic High V
I H
V
CC
*0.25+0.8 4.5 VDC 10
Output
Logic Low V
OL
0.6 VDC 11
Logic High V
OH
V
CC
–0.7 V
CC
VDC 12
Certifications
Modular Certifications FCC, Industry Canada
1. Measured at 3.3V V
CC
2. Measured at 25ºC
3. Guaranteed by design
4. Characterized but not tested
5. PER = 5%
6. Into a 50-ohm load
7. No RF interference
8. Response time is from end of
command to start of response
9. 4.5 ≤ V
CC
≤ 5.5
10. V
CC
≤ 4.5
11. I ≤ 8mA @ V
CC
≥ 5V; I ≤ 6mA @ V
CC
≥
3.3V; I ≤ 0.8mA @ V
CC
≥ 2.5V
12. I ≤ 3.5mA @ V
CC
≥ 5V; I ≤ 3mA @ V
CC
≥
3.3V; I ≤ 1mA @ V
CC
≥ 2.5V
13. Maximum 80ms if V
CC
< 2.6V
Figure 3: Electrical Specifications
Absolute Maximum Ratings
Supply Voltage V
cc
−0.3 to +5.5 VDC
Any Input or Output Pin −0.3 to V
CC
+ 0.3 VDC
RF Input 0 dBm
Operating Temperature −40 to +85 ºC
Storage Temperature −55 to +125 ºC
Exceeding any of the limits of this section may lead to permanent damage to the device.
Furthermore, extended operation at these maximum ratings may reduce the life of this
device.
Absolute Maximum Ratings
Figure 4: Absolute Maximum Ratings
TX Vcc
TX Sx
TX MODE_IND
RX Sx
A B C D E F G H
RX MODE_IND
AB – TX Power up Response – <80ms
BC – RX Initial Response – 8 to 50ms with no interference
CD – Data Settle – 4 to 8us
EF – Data Update Delay During Active Session – 5 to 25ms
EG – Shutdown Duration – 25 to 342ms
GH – RX MODE_IND Drop – 6 to 8ms
V
ON
TT Series Transceiver Timings
Item Description Minimum Maximum
AB
TX Response from V
CC
or POWER_DOWN 1,4 8ms
TX Response from Status line while IU in idle 2 12ms
TX Response from Status line while IU / RU idle in RX 3 1ms
BC RX Initial Response 4ms 50ms
CD Data Settle 4µs 8µs
EF Data Update Delay During Active Session 5ms 25ms
EG Shutdown Duration 25ms 342ms
GH RX MODE_IND Drop 6ms 8ms
1. From module off to V
CC
applied
2. The module is set as an IU only and is in idle pending status line activation
3. The module is set as an IU and RU and is idling in receive mode pending status line
activation or receipt of a valid packet.
4. Maximum 80ms if V
CC
< 2.6V
Figure 5: TT Series Transceiver Timings
Transceiver Timings
Warning: This product incorporates numerous static-sensitive
components. Always wear an ESD wrist strap and observe proper ESD
handling procedures when working with this device. Failure to observe
this precaution may result in module damage or failure.