參數(shù)資料
型號(hào)： MFRC53101T
廠商： NXP Semiconductors N.V.
元件分類： 通信及網(wǎng)絡(luò)
英文描述： ISO-IEC 14443 reader IC
封裝： MFRC53101T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<1<week 51, 2004,;MFRC53101T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<
文件頁數(shù)： 92/116頁
文件大?。?/td> 862K
代理商： MFRC53101T
MFRC531_34
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.4 — 26 January 2010
056634
92 of 116
NXP Semiconductors
MFRC531
ISO/IEC 14443 reader IC
Pin RSTPD has Schmitt trigger CMOS characteristics. In addition, it is internally filtered by
a RC low-pass filter which causes a propagation delay on the reset signal.
Table 154. RSTPD input pin characteristics
Symbol Parameter
I
LI
input leakage current
V
th
threshold voltage
The analog input pin RX has the input capacitance and input voltage range shown in
Table 155
.
Table 155. RX input capacitance and input voltage range
Symbol
Parameter
C
i
input capacitance
V
i(dyn)
dynamic input voltage
13.3.2
Digital output pin characteristics
Pins D0 to D7, MFOUT and IRQ have CMOS output characteristics and behave as
defined in
Table 156
.
Table 156. Digital output pin characteristics
Symbol
Parameter
V
OH
HIGH-level output
voltage
Remark:
Pin IRQ can be configured as open collector which causes the V
OH
values to be
no longer applicable.
13.3.3
Antenna driver output pin characteristics
The source conductance of the antenna driver pins TX1 and TX2 for driving the
HIGH-level can be configured using the CwConductance register’s GsCfgCW[5:0] bits,
while their source conductance for driving the LOW-level is constant.
The antenna driver default configuration output characteristics are specified in
Table 157
.
Conditions
Min
1.0
0.65V
DDD
Typ Max
-
-
Unit
μ
A
V
+1.0
0.75V
DDD
positive-going threshold;
CMOS = V
DDD
< 3.6 V
negative-going threshold;
CMOS = V
DDD
< 3.6 V
0.25V
DDD
-
0.4V
DDD
V
t
PD
propagation delay
-
-
20
μ
s
Conditions
Min
-
1.1
Typ
-
-
Max
15
4.4
Unit
pF
V
V
DDA
= 5 V; T
amb
= 25
°
C
Conditions
V
DDD
= 5 V; I
OH
=
1 mA
V
DDD
= 5 V; I
OH
=
10 mA
V
DDD
= 5 V; I
OL
= 1 mA
V
DDD
= 5 V; I
OL
= 10 mA
source or sink; V
DDD
= 5 V
Min
2.4
2.4
-
-
-
Typ
4.9
4.2
25
250
-
Max
-
-
400
400
10
Unit
V
V
mV
mV
mA
V
OL
LOW-level output
voltage
I
O
output current
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