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NCN6001
http://onsemi.com
9
SMART CARD INTERFACE
@ 2.7 V < V
CC
< 5.5 V (-25
°
C to +85
°
C ambient temperature, unless otherwise noted)
.
Note: Digital inputs undershoot < - 0.3 V to ground, Digital inputs overshoot < 0.3 V to V
CC
.
Rating
Pin
Symbol
Min
Typ
Max
Unit
CRD_RST @ CRD_VCC = 1.8 V, 3.0 V, 5.0 V
Output RESET V
OH
@ Irst = -200 A
Output RESET V
OL
@ Irst = 200 A
Output RESET Rise Time @ Cout = 30 pF
Output RESET Fall Time @Cout = 30 pF
19
V
OH
V
OL
t
R
t
F
CRD_VCC - 0.5
0
-
-
-
-
-
-
CRD_VCC
0.4
100
100
V
V
ns
ns
CRD_CLK as a function of CRD_VCC
CRD_VCC = +5.0 V or 3.0 V or 1.8V
Output Frequency
Output V
OH
@ Icrd_clk = -200 A
Output V
OL
@ Icrd_clk = 200 A
CRD_CLK Output Duty Cycle
CRD_VCC = 5.0 V
CRD_VCC = 3.0 V
CRD_VCC = 1.8 V (Note 8)
Rise & Fall time @ CRD_VCC = 1.80 V to 5.0 V
Fast Mode
Output CRD_CLK Rise time @ Cout = 30 pF
Output CRD_CLK Fall time @ Cout = 30 pF
Rise & Fall time @ CRD_VCC = 1.80 V to 5.0 V
Slow Mode
Output CRD_CLK Rise time @ Cout = 30 pF
Output CRD_CLK Fall time @ Cout = 30 pF
17
F
CRDCLK
V
OH
V
OL
F
CRDDC
t
ress
t
fcs
t
rills
t
ulsa
-
CRD_VCC – 0.5
0
45
40
40
-
-
-
-
2.1
1.9
11.5
10.8
20
CRD_VCC
+0.4
55
60
60
4
4
16
16
MHz
V
V
%
%
%
ns
ns
ns
ns
CRD_IO @ CRD_VCC = 1.8 V 3.0 V, 5.0 V
CRD_IO Data Transfer Frequency
CRD_IO Rise time @ Cout = 30 pF
CRD_IO Fall time @ Cout = 30 pF
Output V
OH
@ Icrd_clk = -20 A
Output V
OL
@ Icrd_clk = 500 A, V
IL
= 0 V
20
F
IO
t
RIO
t
FIO
V
OH
V
OL
-
-
-
CRD_VCC
-
0.5
0
400
-
-
-
-
-
0.8
0.8
CRD_VCC
0.4
kHz
s
s
V
V
CRD_IO Pull Up Resistor
20
R
CRDPU
14
20
26
k
CRD_C8 Output Rise and Fall Time @ Cout = 30 pF
14
t
RC8,
t
FC8
-
-
100
ns
CRD_C4 Output Rise and Fall Time @ Cout = 30 pF
15
t
RC4,
t
FC4
-
-
100
ns
CRD_C4 and CRD_C8 Data Transfer Frequency
14, 15
F
C48
-
400
-
kHz
CRD_C8, CRD_C4 Output Voltages
High Level @ Irst = -200 A
Low Level @ Irst = +200 A
14, 15
V
OH,
V
OL
CRD_VCC – 0.5
0
-
-
-
0.4
V
V
C8/S0 and C4/S0 Address Bias Current (Note 9)
14, 15
I
bc4c8
-
1.0
-
A
Card Detection Digital Filter Delay:
Card Insertion
Card Extraction
18
T
CRDIN
T
CRDOFF
25
25
50
50
150
150
s
s
8. Parameter guaranteed by design, function 100% production tested.
9. Depending upon the environment, using and external pull up resistor might be necessary to cope with PCB surface leakage current.