mfrc522 NXP Semiconductors, mfrc522 Datasheet - Page 86

• Manufacturer Part Number: mfrc522
• Description: Contactless Reader Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
112132
Product data sheet
23.1.10 Output Pin characteristics for Pins TX1 and TX2
23.1.9 Output Pin characteristics for Pins AUX1 and AUX2
Table 165: Input Pin characteristics for OSCIN
Table 166: Output Pin characteristics for Pins AUX1 and AUX2
Table 167: Output Pin characteristics for Pins TX1 and TX2
Symbol
V
V
C
Symbol Parameter
V
V
I
I
Symbol
V
V
V
V
V
V
V
V
OL
OH
IH
IL
OH
OL
OH,C32,3V
OH,C80,3V
OH,C32,2V5
OH,C80,2V5
OL,C32,3V
OL,C80,3V
OL,C32,2V5
OL,C80,2V5
OSCIN
Output voltage HIGH DV
Output voltage LOW
Output current drive
LOW
Output current drive
HIGH
Parameter
Input voltage High
Input voltage Low
Input capacitance
Parameter
Output voltage
HIGH
Output voltage
LOW
Rev. 3.2 — 22 May 2007
Conditions
TV
I
CWGsP = 3Fh
TV
I
CWGsP = 3Fh
TV
I
CWGsP = 3Fh
TV
I
CWGsP = 3Fh
TV
I
CWGsP = 0Fh
TV
I
CWGsP = 0Fh
TV
I
CWGsP = 0Fh
TV
I
CWGsP = 0Fh
TX
TX
TX
TX
TX
TX
TX
TX
Conditions
I
DV
I
DV
DV
O
O
DD
DD
DD
DD
DD
DD
DD
DD
= 32 mA,
= 80 mA,
= 32 mA,
= 80 mA,
= 32 mA,
= 80 mA,
= 32 mA,
= 80 mA,
Conditions
AV
V
V
= 4 mA
= 4 mA
DD
DD
DD
DD
= 3 V and
= 3 V and
= 2.5 V and
= 2.5 V and
= 3 V and
= 3 V and
= 2.5 V and
= 2.5 V and
DC
AC
DD
= 3 V
= 3 V
= 3 V,
= 3 V,
= 1 V
= 0.65 V,
= 2.8 V,
PP
Min
DV
DV
-
-
Min
TV
TV
TV
TV
-
-
-
-
DD
SS
DD
DD
DD
DD
-400 mV -
Min
-
-
0.7 AV
-150 mV
-400 mV
-240 mV
-640 mV
DD
Typ
-
-
-
Contactless Reader IC
Typ
-
-
2
Typ
-
-
-
-
-
-
-
-
MFRC522
Max
DV
DV
4
4
© NXP B.V. 2007. All rights reserved.
DD
SS
Max
-
-
-
-
150
400
240
640
Max
-
0.3 AV
-
+400 mV V
DD
86 of 109
Unit
V
V
pF
Unit
V
mA
mA
Unit
mV
mV
mV
mV
mV
mV
mV
mV