參數(shù)資料
型號： MFRC50001T
廠商： NXP Semiconductors N.V.
元件分類： 通信及網(wǎng)絡(luò)
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)： 86/110頁
文件大?。?/td> 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
86 of 110
NXP Semiconductors
MFRC500
Highly Integrated ISO/IEC 14443 A Reader IC
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 154
.
Table 154. Antenna driver output pin characteristics
Symbol
Parameter
V
OH
HIGH-level output
voltage
13.4 AC electrical characteristics
13.4.1
Separate read/write strobe bus timing
Table 155. Timing specification for separate read/write strobe
Symbol
Parameter
t
LHLL
ALE HIGH time
t
AVLL
address valid to ALE LOW time
t
LLAX
address hold after ALE LOW
time
t
LLRWL
ALE LOW to read/write LOW
time
t
SLRWL
chip select LOW to read/write
LOW time
t
RWHSH
read/write HIGH to chip select
HIGH time
t
RLDV
read LOW to data input valid
time
t
RHDZ
read HIGH to data input high
impedance time
t
WLQV
write LOW to data output valid
time
t
WHDX
data output hold after write
HIGH time
t
RWLRWH
read/write LOW time
t
AVRWL
address valid to read/write
LOW time
t
WHAX
address hold after write HIGH
time
t
RWHRWL
read/write HIGH time
Conditions
V
DD(TVDD)
= 5.0 V; I
OL
= 20 mA
V
DD(TVDD)
= 5.0 V; I
OL
= 100 mA
V
DD(TVDD)
= 5.0 V; I
OL
= 20 mA
V
DD(TVDD)
= 5.0 V; I
OL
= 100 mA
transmitter; continuous wave;
peak-to-peak
Min
-
-
-
-
-
Typ
4.97
4.85
30
150
-
Max
-
-
-
-
200
Unit
V
V
mV
mV
mA
V
OL
LOW-level output
voltage
I
O
output current
Conditions
Min
20
15
8
Typ
-
-
-
Max Unit
-
-
-
ns
ns
ns
ALE LOW to NRD or
NWR LOW
NCS LOW to NRD or
NWR LOW
NRD or NWR HIGH to
NCS HIGH
NRD LOW to data valid
15
-
-
ns
0
-
-
ns
0
-
-
ns
-
-
65
ns
NRD HIGH to data
high-impedance
NWR LOW to data valid
-
-
20
ns
-
-
35
ns
data hold time after
NWR HIGH
NRD or NWR
NRD or NWR LOW
(set-up time)
NWR HIGH (hold time)
8
-
-
ns
65
30
-
-
-
-
ns
ns
8
-
-
ns
150
-
-
ns
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