Data Sheet

MFRC522 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.9 — 27 April 2016
112139 76 of 95
NXP Semiconductors
MFRC522
Standard performance MIFARE and NTAG frontend
C
i
input capacitance V
DDA
= 2.8 V; DC = 0.65 V;
AC = 1 V (p-p)
-2- pF
Input/output characteristics
pins D1, D2, D3, D4, D5, D6 and D7
I
LI
input leakage current 1-+1 A
V
IH
HIGH-level input voltage 0.7V
DD(PVDD)
-- V
V
IL
LOW-level input voltage - - 0.3V
DD(PVDD)
V
V
OH
HIGH-level output voltage V
DD(PVDD)
=3V; I
O
=4mA V
DD(PVDD)

0.4
-V
DD(PVDD)
V
V
OL
LOW-level output voltage V
DD(PVDD)
=3V; I
O
=4mA V
SS(PVSS)
-V
SS(PVSS)
+
0.4
V
I
OH
HIGH-level output current V
DD(PVDD)
=3V - - 4 mA
I
OL
LOW-level output current V
DD(PVDD)
=3V - - 4 mA
Output characteristics
Pin MFOUT
V
OH
HIGH-level output voltage V
DD(SVDD)
=3V; I
O
=4mA V
DD(SVDD)

0.4
-V
DD(SVDD)
V
V
OL
LOW-level output voltage V
DD(SVDD)
=3V; I
O
=4mA V
SS(PVSS)
-V
SS(PVSS)
+
0.4
V
I
OL
LOW-level output current V
DD(SVDD)
=3V - - 4 mA
I
OH
HIGH-level output current V
DD(SVDD)
=3V - - 4 mA
Pin IRQ
V
OH
HIGH-level output voltage V
DD(PVDD)
=3V; I
O
=4mA V
DD(PVDD)

0.4
-V
DD(PVDD)
V
V
OL
LOW-level output voltage V
DD(PVDD)
=3V; I
O
=4mA V
SS(PVSS)
-V
SS(PVSS)
+
0.4
V
I
OL
LOW-level output current V
DD(PVDD)
=3V - - 4 mA
I
OH
HIGH-level output current V
DD(PVDD)
=3V - - 4 mA
Pins AUX1 and AUX2
V
OH
HIGH-level output voltage V
DDD
=3V; I
O
=4mA V
DDD
 0.4 - V
DDD
V
V
OL
LOW-level output voltage V
DDD
=3V; I
O
=4mA V
SS(PVSS)
-V
SS(PVSS)
+
0.4
V
I
OL
LOW-level output current V
DDD
=3V - - 4 mA
I
OH
HIGH-level output current V
DDD
=3V - - 4 mA
Pins TX1 and TX2
Table 153. Characteristics …continued
Symbol Parameter Conditions Min Typ Max Unit