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EM4223V5SP3B Datasheet(PDF) 4 Page - EM Microelectronic - MARIN SA |
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EM4223V5SP3B Datasheet(HTML) 4 Page - EM Microelectronic - MARIN SA |
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4 / 29 page  R EM4223 Copyright © 2005, EM Microelectronic-Marin SA 4 www.emmicroelectronic.com Electrical Characteristics VDD= 2.0V, TA=+25°C, unless otherwise specified Parameter Symbol Conditions Min. Typ. Max. Unit Operating voltage VDD – VSS Vponf 3.5 V Current consumption IS VDD-VSS = 1.5 V 2.0 3.9 uA Power On Reset Rising Vponr 1.2 V Power On Reset Fall Vponf 1.0 V Electrostatic discharge HBM to MIL-STD- 883 method 3015 VDD and VSS pad A+ pad 1.5 0.5 KV KV Internal oscillator frequency Fosc Over full temperature range 192 320 448 KHz Input series Impedance @900MHz Rin Cin VDD – VSS < 1V 19 0.620 Ω pF Modulation depth decoding At typical pulse width 27 % 100 % % Table 3 Timing Characteristics Over full voltage and temperature range, unless otherwise specified Parameter Symbol Conditions Min. Typ. Max. Unit Forward Link (Reader to Transponder) average 33 kbps Pulse width Tpw 100% modulation depth 6 10 14 uS Pulse interval Data 0 Tpi0 100% modulation depth 12 20 28 uS Pulse interval Data 1 Tpi1 100% modulation depth 24 40 56 uS Return Link (Transponder to Reader) (note 1) nominal at 25°C as selected by factory programmed Personality Bit 40 or 160 kbps Bit rate accuracy short term (note 2) During a message transmission +/- 1 % Bit rate accuracy long term @1.5V of nominal 40kb/s +/- 15 % Reply to Receive turn-around time 2 Bit times Receive to Reply turn-around time Depends on Transponders chosen reply slot 150 uS Tag Command window Tcw Opens at the start of the 3 rd bit clock period after the end of the last bit transmitted by the Transponder to the reader. Closes in the middle of the 5 th bit clock period. Note 1: VDD= 2.0V, TA=+25°C Note 2: VDD = 2.0V Table 4 |
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