參數(shù)資料
型號(hào): CLRC632
廠商: NXP Semiconductors N.V.
英文描述: Multiple Protocol Contactless Reader IC
中文描述: 多協(xié)議非接觸式讀卡器IC
文件頁數(shù): 150/163頁
文件大?。?/td> 948K
代理商: CLRC632
Philips Semiconductors
Product Specification Rev. 3.0; May 2003
Multiple Protocol Contactless Reader IC
CL RC632
150
Confidential
22.4 Pin Characteristics
22.4.1 INPUT PIN CHARACTERISTICS
Pins D0 to D7, A0, and A1 have TTL input characteristics and behave as defined in the following table.
SYMBOL
PARAMETER
CONDITIONS
MIN
MAX
UNIT
I
Leak
Input Leakage Current
-1.0
+1.0
μA
CMOS: DVDD < 3.6 V
0.35 DVDD
0.65 DVDD
V
V
T
Threshold
TTL: 4.5 < DVDD
0.8
2.0
V
Table 22-4: Standard Input Pin Characteristics
The digital input pins NCS, NWR, NRD, ALE, A2, and MFIN have Schmitt-Trigger characteristics, and
behave as defined in the following table.
SYMBOL
PARAMETER
CONDITIONS
MIN
MAX
UNIT
I
Leak
Input Leakage Current
-1.0
+1.0
μA
TTL: 4.5 < DVDD
1.4
2.0
V
V
T+
Positive-Going Threshold
CMOS: DVDD < 3.6 V
0.65 DVDD
0.75 DVDD
V
TTL: 4.5 < DVDD
0.8
1.3
V
V
T-
Negative-Going Threshold
CMOS: DVDD < 3.6 V
0.25 DVDD
0.4 DVDD
V
Table 22-5: Schmitt-Trigger Input Pin Characteristics
Pin RSTPD has Schmitt-Trigger CMOS characteristics. In addition, it is internally filtered with an RC-low-
pass filter, which causes a relevant propagation delay for the reset signal:
SYMBOL
PARAMETER
CONDITIONS
MIN
MAX
UNIT
I
Leak
Input Leakage Current
-1.0
+1.0
μA
V
T+
Positive-Going Threshold
CMOS: DVDD < 3.6 V
0.65 DVDD
0.75 DVDD
V
V
T-
Negative-Going Threshold
CMOS: DVDD < 3.6 V
0.25 DVDD
0.4 DVDD
V
t
RSTPD,p
Propagation Delay
20
μs
Table 22-6: RSTPD Input Pin Characteristics
The analog input pin RX has the following input capacitance:
SYMBOL
PARAMETER
CONDITIONS
MIN
MAX
UNIT
C
RX
Input Capacitance
15
pF
Table 22-7: RX Input Capacitance
The analog input pin RX has the following input voltage range:
SYMBOL
PARAMETER
CONDITIONS
MIN
MAX
UNIT
VI
N,RX
Dynamical Voltage input range
AVDD=5V, T=25°C
1,1V
4,4
V
Table 22
-8
:
RX Input voltage range
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