參數(shù)資料
型號: 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): 91/116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
91 of 116
NXP Semiconductors
MFRC531
ISO/IEC 14443 reader IC
13.2 Current consumption
13.3 Pin characteristics
13.3.1
Input pin characteristics
Pins D0 to D7, A0, and A1 have TTL input characteristics and behave as defined in
Table 152
.
The digital input pins NCS, NWR, NRD, ALE, A2, and MFIN have Schmitt trigger
characteristics, and behave as defined in
Table 153
.
Table 151. Current consumption
Symbol
Parameter
I
DDD
digital supply current
Conditions
Idle command
Standby mode
Soft power-down mode
Hard power-down mode
Idle command; receiver on
Idle command; receiver off
Standby mode
Soft power-down mode
Hard power-down mode
continuous wave
pins TX1 and TX2 unconnected;
TX1RFEn and TX2RFEn = logic 1
pins TX1 and TX2 unconnected;
TX1RFEn and TX2RFEn = logic 0
Min
-
-
-
-
-
-
-
-
-
-
-
Typ
8
3
800
1
25
12
10
1
1
-
5.5
Max
11
5
1000
10
40
15
13
10
10
150
7
Unit
mA
mA
μ
A
μ
A
mA
mA
mA
μ
A
μ
A
mA
mA
I
DDA
analog supply current
I
DD(TVDD)
TVDD supply current
-
65
130
μ
A
Table 152. Standard input pin characteristics
Symbol
Parameter
I
LI
input leakage current
V
th
threshold voltage
Conditions
Min
1.0
0.35V
DDD
0.8
Typ
-
-
-
Max
+1.0
0.65V
DDD
2.0
Unit
μ
A
V
V
CMOS: V
DDD
< 3.6 V
TTL: 4.5 < V
DDD
Table 153. Schmitt trigger input pin characteristics
Symbol
Parameter
I
LI
input leakage current
V
th
threshold voltage
Conditions
Min
1.0
1.4
Typ
-
-
Max
+1.0
2.0
Unit
μ
A
V
positive-going threshold;
TTL = 4.5 < V
DDD
CMOS = V
DDD
< 3.6 V
negative-going threshold;
TTL = 4.5 < V
DDD
CMOS = V
DDD
< 3.6 V
0.65V
DDD
0.8
-
-
0.75V
DDD
1.3
V
V
0.25V
DDD
-
0.4V
DDD
V
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