XRAG2_08 Datasheet, PDF (22/33 Pages) STMicroelectronics – 432-bit UHF, EPCglobal Class1 Generation2 and ISO 18000-6C, contactless memory chip with user memory

Tag-to-reader communication timings
7
Tag-to-reader communication timings
XRAG2
The tag complies with the reader-to-tag and tag-to-reader link timing requirements of the
EPCglobal Class 1 generation 2 RFID UHF specification, revision 1.0.9.
Table 8. Tag-to-Reader link frequency and tolerance⁽¹⁾
Divide ratio DR
TRcal (µs ±1%)
Link frequency LF (kHz)
33.3
33.3 < TRcal < 66.7
66.7
66.7 < TRcal < 83.3
64/3
83.3
83.3 < TRcal ≤133.3
133.3 < TRcal ≤200
200 < TRcal ≤225
17.2 ≤TRcal < 25
25
25 < TRcal < 31.25
31.25
8
31.25 < TRcal < 50
50
50 < TRcal ≤75
75 < TRcal ≤200
640
320 < LF < 640
320
256 < LF < 320
256
160 ≤LF < 256
107 ≤LF < 160
95 ≤LF < 107
320 < LF ≤465
320
256 < LF < 320
256
160< LF < 256
160
107 ≤LF < 160
40 ≤LF < 160
1. Characterized only.
Table 9. Tag-to-Reader data rates⁽¹⁾
Number of subcarrier cycles
per symbol (M)
Modulation type
Data rate (kbps)
1
FM0 baseband
LF
2
Miller subcarrier
LF/2
4
Miller subcarrier
LF/4
8
Miller subcarrier
LF/8
1. Characterized only.
22/33