參數(shù)資料
型號(hào): TDA8020
廠商: NXP Semiconductors N.V.
英文描述: Dual smart card interface
中文描述: 雙界面智能卡
文件頁數(shù): 13/24頁
文件大?。?/td> 114K
代理商: TDA8020
2001 Aug 15
13
Philips Semiconductors
Product specification
Dual smart card interface
TDA8020HL
THERMAL CHARACTERISTICS
CHARACTERISTICS
V
DD
= 3.3 V; V
DDI
= 1.5 V; f
CLKIN1
= f
CLKIN2
= 10 MHz; GND = 0 V; T
amb
= 25
°
C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
R
th(j-a)
thermal resistance from junction to ambient
in free air
80
K/W
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Temperature
T
amb
Supply
ambient temperature
25
+85
°
C
V
DD
supply voltage on pins V
DD
and V
DDA
supply current (I
DD
and I
DDA
) inactive mode
2.5
6.5
V
I
DD
150
2.5
μ
A
mA
Power-down mode; 2 cards
activated; V
CC1
= V
CC2
= 5 V;
I
CC1
= I
CC2
= 100
μ
A; CLK1 and
CLK2 stopped
active mode; V
CC1
= V
CC2
= 5 V;
I
CC1
+ I
CC2
= 80 mA;
CLK1 = CLK2 = 5 MHz
active mode; V
CC1
= V
CC2
= 3 V;
I
CC1
= I
CC2
= 10 mA;
CLK1 = CLK2 = 5 MHz
400
mA
80
mA
V
DDI
supply voltage for interface
signals
supply current for interface
signals
threshold voltage on V
DD
hysteresis on V
th1
threshold voltage on
pin C
DEL
voltage on pin C
DEL
output current at pin C
DEL
1.5
V
DD
V
I
DDI
120
μ
A
V
th1
V
hys1
V
th2
falling
2.1
50
1.38
2.4
100
V
mV
V
V
CDEL
I
CDEL
2
5
10
V
DD
+ 0.3
V
μ
A
mA
ms
pin grounded (charge)
V
CDEL
= V
DD
(discharge)
C
DEL
= 22 nF
t
W
width of the internal ALARM
pulse
DC/DC converter
f
int
V
UP
internal oscillator frequency
voltage on pin V
UP
2
2.5
5.5
4
3.4
3
MHz
V
V
V
at least one 5 V card
both cards 3 V
V
dt
detection voltage for doubler,
tripler and follower selection
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