mfrc522 NXP Semiconductors, mfrc522 Datasheet - Page 84

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

NXP Semiconductors
23. Characteristics
112132
Product data sheet
23.1.1 Input Pin characteristics for pins EA, I2C and NRESET
23.1.2 Input Pin characteristics for pin MFIN
23.1.3 Input/Output Pin characteristics for pins D1, D2, D3, D4, D5, D6 and D7
23.1.4 Input Pin characteristics for pin SDA
23.1 Input Pin Characteristics
Table 158: Input Pin characteristics for pins EA, I2C and NRESET
Table 159: Input Pin characteristics for MFIN
Table 160: Input/Output Pin characteristics for pins D1, D2, D3, D4, D5, D6 and D7
Table 161: Input Pin characteristics for pin SDA
Symbol
I
V
V
Symbol
I
V
V
Symbol Parameter
I
V
V
V
V
I
I
Symbol Parameter
I
V
V
Leak
Leak
Leak
OH
OL
Leak
IH
IL
IH
IL
IH
IL
OH
OL
IH
IL
Input Leakage
current
Input voltage High
Input voltage Low
Output voltage HIGH PV
Output voltage LOW PV
Output current drive
HIGH
Output current drive
LOW
Input Leakage
current
Input voltage High
Input voltage Low
Parameter
Input Leakage current
Input voltage High
Input voltage Low
Parameter
Input Leakage current
Input voltage High
Input voltage Low
Rev. 3.2 — 22 May 2007
Conditions
I
I
PV
PV
Conditions
O
O
= 4 mA
= 4 mA
Conditions
Conditions
DD
DD
DD
DD
= 3 V,
= 3 V,
= 3 V
= 3 V
Min
-1
0.7 PV
-
PV
PV
-
-
Min
-1
0.7 PV
-
DD
SS
-400 mV -
DD
DD
Min
-1
-
Min
-1
-
0.7 PV
0.7 SV
-
-
Typ
-
-
-
-
-
Typ
-
-
DD
DD
Contactless Reader IC
Typ
-
-
-
Typ
-
-
-
Max
1
-
0.3 PV
PV
PV
4
4
Max
1
-
0.3 PV
MFRC522
© NXP B.V. 2007. All rights reserved.
DD
SS
Max
1
-
0.3 PV
Max
1
-
0.3 SV
+400 mV V
DD
DD
DD
DD
84 of 109
Unit
μA
V
V
Unit
μA
V
V
Unit
μA
V
V
V
mA
mA
Unit
μA
V
V