XRA00 datasheet(9/40 Pages) STMICROELECTRONICS

Part #	XRA00

Description	UHF, EPCglobal, Contactless Memory IC 96 bit ePC with Inventory and Kill Function

PDF	40 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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9 / 40 page

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XRA00

Table 2. Request Modulation Pulse Parameters for North American Operation (

−20 to 55°C)

Symbol

Description

Min

Max

Units

UHF Carrier Frequency

900

930

MHz

Master Clock Time Period for a single bit sent to the XRA00

12.5

16.6

µs

T0Tol

Master Clock Time Period Tolerance

-1

1/t0

Request Frame Data Rate (1/t0)

Kbps

Tfwhm0

Pulse Modulation Width of Binary Data 0 at 50% Level

1/8 * T0

µs

Tfwhm1

Pulse Modulation Width of Binary Data 1 at 50% Level

3/8 * T0

µs

TfwhmBin

Pulse Modulation Width of Bin Pulse at 50% Level

3/8 * T0

µs

Ttrangap

Pulse Modulation Width of Transaction Gap at 50% Level

10/8 * T0

µs

TfwhmBinRW

Bin Response Window at 50% Level

4*T0

8*T0

µs

Ttransetup

Delay between Transaction Gap and Data Modulation Windows

µs

Ttranhold

Delay before the next Transaction Gap

2.5*T0

2000

µs

Pulse Modulation Fall Time (90% to 10% level)

300

Pulse Modulation Rise Time (10% to 90% level)

300

Ripple

MOD

Pulse Modulation Depth

100

tCoast

Delay between Request EOF and the next Transaction Gap

tReset

RF Off time to Power down a XRA00

200

µs

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