LRI2K-SBN18/3GE STMicroelectronics, LRI2K-SBN18/3GE Datasheet - Page 20
LRI2K-SBN18/3GE
Manufacturer Part Number
LRI2K-SBN18/3GE
Description
IC EEPROM 2048BIT 97PF SAWN WAFR
Manufacturer
STMicroelectronics
Datasheet
1.LRI2K-A1S1GE.pdf
(86 pages)
Specifications of LRI2K-SBN18/3GE
Rf Type
Read / Write
Frequency
13.56MHz
Features
ISO15693, ISO18000-3
Package / Case
Wafer
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Bit representation and coding
5
5.1
5.1.1
20/86
Bit representation and coding
Data bits are encoded using Manchester coding, according to the following schemes. For
the low data rate, the same subcarrier frequency or frequencies is/are used, in this case the
number of pulses is multiplied by 4 and all times are increased by this factor. For the Fast
commands using one subcarrier, all pulse numbers and times are divided by 2.
Bit coding using one subcarrier
High data rate
A logic 0 starts with 8 pulses at 423.75 kHz (f
18.88 µs as shown in
Figure 12. Logic 0, high data rate
For the Fast commands, a logic 0 starts with 4 pulses at 423.75 kHz (f
unmodulated time of 9.44 µs as shown in
Figure 13. Logic 0, high data rate x2
A logic 1 starts with an unmodulated time of 18.88 µs followed by 8 pulses at 423.75 kHz
(f
Figure 14. Logic 1, high data rate
For the Fast commands, a logic 1 starts with an unmodulated time of 9.44 µs followed by 4
pulses at 423.75 kHz (f
Figure 15. Logic 1, high data rate x2
C
/32) as shown in
Figure
Figure
C
/32) as shown in
14.
12.
37.76µs
37.76µs
Figure
Figure
18.88µs
18.88µs
C
/32) followed by an unmodulated time of
15.
13.
ai12066
ai12067
ai12077
ai12076
C
/32) followed by an
LRI2K
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