sri4k STMicroelectronics, sri4k Datasheet - Page 40

• Manufacturer Part Number: sri4k
• Description: 13.56 Mhz Short-range Contactless Memory Chip With 4096-bit Eeprom And Anticollision Functions
• Manufacturer: STMicroelectronics

DC and ac parameters
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Figure 51. SRI4K synchronous timing, transmit and receive
FRAME Transmission between the reader and the contactless device
Data jitter on FRAME Transmitted by the reader in ASK
ASK Modulated signal from the Reader to the Contactless device
FRAME Transmitted by the SRI4K
in BPSK
1
t
DR
0
DATA
t
MIN CD
START
1
t
RFSBL
t
DR
0
A
t
JIT
EOF
t
t
RFSBL
RFSBL
B
t
JIT
t
t
RFF
0
t
RFSBL
t
847KHz
JIT
t
1
t
RFSBL
t
JIT
t
RFR
SOF
FRAME Transmitted by the reader in ASK
t
RFSBL
t
1 1
JIT
0
t
DA
DATA
ƒ cc
1
0
t
DA
DATA
1 0
AI10893
SRI4K