NCN8026A_16 Datasheet, PDF (8/15 Pages) ON Semiconductor – Compact Low Power Smart Card Interface IC

NCN8026A
SMART CARD INTERFACE SECTION CI/O, CAUX1, CAUX2, CCLK, CRST, PRES, PRES (V_DD = 3.3 V; V_DDP = 5 V; T_amb = 25°C;
F_CLKIN = 5 MHz)
Symbol
Rating
Min
Typ
Max
Unit
CRST @ CVCC = 1.8 V, 3.0 V, 5.0 V
V_OH
V_OL
Output RESET V_OH @ I_rst = −200 mA
Output RESET V_OL @ I_rst = 200 mA
0.9 x CV_CC
−
CVCC
V
0
−
0.20
V
t_R
Output RESET V_OH @ I_rst = −20 mA
0
0.4
V
t_F
Output RESET V_OL @ I_rst = 20 mA
CV_CC − 0.4
CV_CC
V
t_R/F
Output RESET Rise time @ C_out = 100 pF (Note 7)
−
−
100
ns
td
Output RESET Fall time @ C_out = 100 pF (Note 7)
−
−
100
ns
Output Rise/Fall times @ CVCC = 1.8 V & C_out = 100 pF (Note 7)
−
−
200
ns
RSTIN to CRST delay − Reset enabled (Note 7)
−
−
2
ms
CCLK @ CVCC = 1.8 V, 3.0 V or 5.0 V
F_CRDCLK Output Frequency (Note 7)
V_OH
V_OL
Output CCLK V_OH @ I_clk = −200 mA
Output CCLK V_OL @ I_clk = 200 mA
Output CCLK V_OH @ I_clk = −70 mA
F_DC
Output CCLK V_OL @ I_clk = 70 mA
Output Duty Cycle (Note 7)
t_rills
t_ulsa Rise & Fall time
Output CCLK Rise time @ C_out = 33 pF (Note 7)
SR
Output CCLK Fall time @ C_out = 33 pF (Note 7)
Slew Rate @ C_out = 33 pF (CVCC = 3.0 V or 5.0 V) (Note 7)
CAUX1, CAUX2, CI/O @ CVCC = 1.8 V, 3.0 V, 5.0 V
−
−
0.9 x CV_CC
−
0
−
0
CV_CC − 0.4
45
−
−
−
−
−
0.2
−
27
CV_CC
+0.2
0.4
CV_CC
55
16
16
−
MHz
V
V
V
V
%
ns
ns
V/ns
V_IH
Input Voltage High Level
1.8 V Mode
3.0 V Mode
5.0 V Mode
V_IL
Input Voltage Low Level
1.8 V mode
3.0 V and 5.0 V modes
0.7xV_CC
1.6
1.8
−0.30
−0.30
− CV_CC + 0.3 V
−
CV_CC+ 0.3
V
− CV_CC + 0.3 V
−
0.50
V
−
0.80
V
|I_IL|
|I_IH|
V_OH
V_OL
t_{Ri / Fi}
t_{Ro / Fo}
Low Level Input current V_IL = 0 V
High Level Input current V_IH = CVCC
Output V_OH
@ I_OH = no DC load
@ I_OH = −40 mA for CVCC = 3.0 V and 5.0 V
@ I_OH = −20 mA for CVCC = 1.8 V
@ I_OH ≥ −15 mA
Output V_OL
@ I_OL = 1 mA, V_IL = 0 V
@ I_OL ≥ +15 mA
Input Rising/Falling times (Note 7)
−
600
mA
−
10
mA
0.9xCV_CC
0.75xCV_CC
0.75xCV_CC
0
0
V_CC − 0.4
−
CV_CC + 0.1 V
− CV_CC + 0.1 V
− CV_CC + 0.1
−
0.4
V
−
0.30
ms
−
V_CC
ms
−
1.2
Output Rising/Falling times / C_out = 80 pF (Note 7)
−
F_bidi Maximum data rate through bidirectional I/O, AUX1 & AUX2 channels (Note 7)
−
R_PU CAUX1, CAUX2, CI/O Pull− Up Resistor
8
t_IO
Propagation delay IOuc −> CI/O and CI/O −> IOuc (falling edge) (Note 7)
−
tpu Active pull−up pulse width buffers I/O, AUX1 and AUX2 (Note 7)
−
C_in
Input Capacitance on data channels (Note 7)
PRES, PRES
V_IH
Card Presence Voltage High Level
V_IL
Card Presence Voltage Low Level
−
0.7 x V_DD
−0.3
−
0.1
−
1
MHz
11
16
kW
−
200
ns
−
200
ns
−
10
pF
V
−
V_DD + 0.3
−
0.3 x V_DD
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