Highly Integrated ISO14443A Reader IC, MF RC500

ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
 

SYMBOL PARAMETER MIN MAX UNIT
Tamb,abs Ambient or Storage Temperature Range -40 +150 °C
DVDD AVDD TVDD DC Supply Voltages -0.5 6 V
Vin,abs Absolute voltage on any digital pin to DVSS -0.5 DVDD + 0.5 V
VRX,abs Absolute voltage on RX pin to AVSS -0.5 AVDD + 0.5 V

Table 20-1: Absolute Maximum Ratings

Operating Condition Range

SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT
Tamb  Ambient Temperature - -25 +25 +85 °C
DVDD Digital Supply Voltage   4.5 5.0 5.5 V
AVDD Analog Supply Voltage DVSS = AVSS = TVSS = 0V 4.5 5.0 5.5 V
TVDD Transmitter Supply Voltage   3.0 5.0 5.5 V

Table 20-2: Operating Condition Range

Current Consumption

SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT
    Idle Command   8 11 mA
IDVDD  Digital Supply Current Stand By Mode   3 5 mA
Soft Power Down Mode   800 1000 µA
    Hard Power Down Mode   1 10 µA
    Idle Command, Receiver On   25 40 mA
    Idle Command, Receiver Off   12 15 mA
IAVDD  Analog Supply Current Stand By Mode   10 13 mA
    Soft Power Down Mode   1 10 µA
    Hard Power Down Mode   1 10 µA
    Continuous Wave     150 mA
ITVDD Transmitter Supply Current TX1 and TX2 unconnected TX1RFEn, TX2RFEn = 1    5.5 7 mA
TX1 and TX2 unconnected TX1RFEn, TX2RFEn = 0    65 130 µA

Table 20-3: Current Consumption

Pin Characteristics
INPUT PIN CHARACTERISTICS

Pins D0 to D7, A0, and A1 have TTL input characteristics and behave as defined in the following table.

SYMBOL PARAMETER CONDITIONS MIN MAX UNIT
ILeak Input Leakage Current   -1.0 +1.0 µA
VT  Threshold   0.8 2.0 V

Table 20-4: Standard Input Pin Characteristics

The digital input pins NCS, NWR, NRD, ALE, A2, and MFIN have Schmitt-Trigger characteristics, and behave as defined in the following table.

SYMBOL PARAMETER CONDITIONS MIN MAX UNIT
ILeak Input Leakage Current   -1.0 +1.0 µA
VT+  Positive-Going Threshold   1.4 2.0 V

Table 20-5: Schmitt-Trigger Input Pin Characteristics

Pin RSTPD has Schmitt-Trigger CMOS characteristics. In addition, it is internally filtered with an RC-lowpass filter, which causes a relevant propagation delay for the reset signal:

SYMBOL PARAMETER CONDITIONS MIN MAX UNIT
ILeak Input Leakage Current   -1.0 +1.0 µA
VT+ Positive-Going Threshold   0.65 DVDD 0.75 DVDD V
VT­ Negative-Going Threshold   0.25 DVDD 0.4 DVDD V
tRSTPD,p  Propagation Delay     20 µs

Table 20-6: RSTPD Input Pin Characteristics

The analog input pin RX has the following input capacitance:

SYMBOL PARAMETER CONDITIONS MIN MAX UNIT
CRX  Input Capacitance     15 pF

Table 20-7: RX Input Capacitance

The analog input pin RX has the following input voltage range:

SYMBOL PARAMETER CONDITIONS MIN MAX UNIT
VIN,RX Dynamical Voltage input  range AVDD=5V, T=25°C 1.1V 4.4 V

Table 20-8: RX Input voltage range

DIGITAL OUTPUT PIN CHARACTERISTICS
Pins D0 to D7, MFOUT and IRQ have CMOS output characteristics and behave as defined in the following table.

SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT
VOH Output Voltage HIGH DVDD = 5 V, IOH= -1 mA 2.4 4.9   V
DVDD = 5 V, IOH= -10 mA 2.4 4.2   V
VOL Output Voltage LOW DVDD = 5 V, IOL= 1 mA   25 400 mV
DVDD = 5 V, IOL= 10 mA   250 400 mV
IO Output Current source or sink DVDD = 5 V     10 mA

Table 20-8:Digital Output Pin Characteristics
Note: IRQ pin may also be configured as open collector. In that case the values for VOH do not apply.