xra00 STMicroelectronics, xra00 Datasheet - Page 9

• Manufacturer Part Number: xra00
• Description: Uhf, Epcglobal Class 1b, Contactless Memory Chip 96 Bit Epc With Inventory And Kill Function
• Manufacturer: STMicroelectronics

Table 2. Request Modulation Pulse Parameters for North American Operation ( 20 to 55°C)
F
t
T
1/t
T
T
T
T
T
T
T
t
t
Ripple
MOD
t
t
0
f
r
Coast
Reset
C
0Tol
fwhm0
fwhm1
fwhmBin
trangap
fwhmBinRW
transetup
tranhold
Symbol
0
UHF Carrier Frequency
Master Clock Time Period for a single bit sent to the XRA00
Master Clock Time Period Tolerance
Request Frame Data Rate (1/t
Pulse Modulation Width of Binary Data 0 at 50% Level
Pulse Modulation Width of Binary Data 1 at 50% Level
Pulse Modulation Width of Bin Pulse at 50% Level
Pulse Modulation Width of Transaction Gap at 50% Level
Bin Response Window at 50% Level
Delay between Transaction Gap and Data Modulation Windows
Delay before the next Transaction Gap
Pulse Modulation Fall Time (90% to 10% level)
Pulse Modulation Rise Time (10% to 90% level)
Ripple
Pulse Modulation Depth
Delay between Request EOF and the next Transaction Gap
RF Off time to Power down a XRA00
Description
0
)
2.5*T
4*T
12.5
Min
900
200
80
60
64
-1
10/8 * T
1/8 * T
3/8 * T
3/8 * T
0
0
2000
0
0
0
8*T
Max
16.6
930
300
300
100
0
+1
80
10
20
0
XRA00
Units
Kbps
MHz
ms
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
µs
%
%
%
9/40