參數(shù)資料
型號: MFRC50001T
廠商: NXP Semiconductors N.V.
元件分類: 通信及網(wǎng)絡
英文描述: Highly integrated ISO-IEC 14443 A reader IC
封裝: MFRC50001T/0FE<SOT287-1 (SO32)|<<http://www.nxp.com/packages/SOT287-1.html<1<week 15, 2005,;
文件頁數(shù): 84/110頁
文件大小: 841K
代理商: MFRC50001T
MFRC500_33
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
PUBLIC
Rev. 3.3 — 15 March 2010
048033
84 of 110
NXP Semiconductors
MFRC500
Highly Integrated ISO/IEC 14443 A 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 149
.
The digital input pins NCS, NWR, NRD, ALE, A2, and MFIN have Schmitt trigger
characteristics, and behave as defined in
Table 150
.
Table 148. 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 149. 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 150. 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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