73S8009CN-32IM/F Datasheet 73S8009CN-32IM/F | P10-P12

73S8009CN Data Sheet DS_8009CN_026

10 Rev. 1.4

2.3 Smart Card Interface Requirements

Table 4 lists the 73S8009CN Smart Card interface requirements.

Table 4: DC Smart Card Interface Requirements

Symbol

Parameter

Condition

Min

Nom

Max

Unit

Card Power Supply (V

CC

) Regulator

General Conditions: -40C < 85C, 2.7 V < V

PC

< 6.5 V

V

CC

Card supply voltage

including ripple and noise

Inactive mode -0.1

–

0.1 V

Inactive mode I

CC

= 1mA -0.1

–

0.4 V

Active mode; I

CC

<65mA; 5V 4.65

–

5.25 V

Active mode; I

CC

< 65mA; 3V 2.85

–

3.15 V

Active mode; I

CC

< 40mA; 1.8V

1.68

–

1.92

V

Active mode; single pulse of

100mA for 2µs; 5 volt, fixed

load = 25mA

4.6

–

5.25 V

Active mode; single pulse of

100mA for 2µs; 3V, fixed load

= 25mA

2.76

–

3.15 V

Active mode; current pulses of

40nAs with peak |I

CC

|

<200mA, t <400ns; 5V

4.6

–

5.25 V

Active mode; current pulses of

40nAs with peak |I

CC

|

<200mA, t <400ns; 3V

2.7

–

3.15

V

Active mode; current pulses of

20nAs with peak |I

CC

|

<100mA, t <400ns; 1.8V

1.62

–

1.92 V

V

CCrip

V

CC

ripple f

RIPPLE

= 20KHz – 200MHz

–

350 mV

I

CCmax

Card supply output

current

Static load current, V

CC

>1.65

–

40 mA

Static load current, V

CC

>4.6 or

2.7 volts as selected

–

65 mA

I

CCF

I

CC

fault current Class A, B (5V and 3V) 75

–

150 mA

Class C (1.8V) 55

–

130 mA

V

S

Vcc slew rate, rise and

fall

C = 0.5µF

0.10 0.30 0.70 V/μs

V

rdy

Vcc ready voltage (RDY

= 1)

5V operation, Vcc rising 4.6

–

V

3V operation, Vcc rising 2.75

–

V

1.8V operation, Vcc rising 1.65

–

V

CCF

RDY = 0

(V

CC

voltage supervisor

threshold)

V

CC

= 5V

–

4.6 V

C

VPC

External filter cap for V

PC

8.0

10.0

12.0

µF

Cvp External filter cap for VP

2.0 4.7 6.8

µF

C

F

External filter capacitor

(V

CC

to GND)

C

F

should be ceramic with low

ESR (<100mΩ).

0.2 0.47 1.0

µF

C

VDD

VDD filter capacitor 0.2 – 1.0

µF

DS_8009CN_026 73S8009CN Data Sheet

Rev. 1.4 11

Symbol Parameter Condition Min Nom Max Unit

Interface Requirements – Data Signals: I/O, AUX1, AUX2, and host interfaces: I/OUC, AUX1UC,

AUX2UC, DP, DM. I

SHORTL

, I

SHORTH

, and V

INACT

requirements do not pertain to I/OUC, AUX1UC, AUX2UC

V

OH

Output level, high (I/O,

AUX1, AUX2)

I

OH

=0 0.9 * V

CC

–

V

CC

+0.1 V

V

OH

Output level, high (I/OUC,

AUX1UC, AUX2UC)

I

OH

= -40µA

0.75 V

CC

–

V

CC

+0.1 V

I

OH

=0 0.9 V

DD

–

V

DD

+0.1 V

V

OL

Output level, low (I/O,

AUX1, AUX2)

I

OH

= -40µA

0.75 V

DD

–

V

DD

+0.1 V

I

OL

=1mA

–

0.15 *V

CC

V

OL

Output level, low (I/OUC,

AUX1UC, AUX2UC)

I

OL

=1mA

–

0.3 V

V

IH

Input level, high (I/O,

AUX1, AUX2)

0.6 * V

CC

–

V

CC

+0.30 V

V

IH

Input level, high (I/OUC,

AUX1UC, AUX2UC)

0.6 * V

DD

–

V

DD

+0.30 V

V

IL

Input level, low (I/O,

AUX1, AUX2)

-0.15

–

0.2 * V

CC

V

IL

Input level, low (I/OUC,

AUX1UC, AUX2UC)

-0.15

–

0.2 * V

DD

V

INACT

Output voltage when

outside of session

I

OL

= 0

–

0.1 V

I

OL

= 1mA

–

0.3 V

I

LEAK

Input leakage

V

IH

= V

CC

–

10

µA

Ifloat Input current Input current with

SC/USB = 0

-2

–

+2

µA

I

IL

Input current, low (I/O,

AUX1, AUX2)

V

IL

= 0

–

0.65 mA

I

IL

Input current, low (I/OUC,

AUX1UC, AUX2UC)

V

IL

= 0

–

0.7 mA

I

SHORTL

Short circuit output

current

For output low, shorted to

V

CC

through 33Ω

–

15 mA

I

SHORTH

Short circuit output

current

For output high, shorted to

ground through 33Ω

–

15 mA

t

R

, t

F

Output rise time, fall

times

For I/O, AUX1, AUX2,

C

L

= 80pF, 10% to 90%.

For I/OUC, AUX1UC,

AUX2UC, CL=50Pf, 10%

to 90%.

–

100 ns

t

IR

, t

IF

Input rise, fall times

–

1

µs

R

PU

Internal pull-up resistor Output stable for >200ns 8 11 14

kΩ

FD

MAX

Maximum data rate – – 1

MHz

T

FDIO

Delay, I/O to I/OUC, AUX1

to AUX1UC, AUX2 to

AUX2UC,I/OUC to I/O,

AUX1UC to AUX1, AUX2UC

to AUX2 (respectively falling

edge to falling edge and

rising edge to rising edge)

Edge from master to

slave, measured at 50%

60

100

200

ns

T

RDIO

– 15 – ns

C

IN

Input capacitance

–

10

pF

Inusboff

Input current USB off

0 < Vdm, Vdp <3.3V,

VCC=5V, SC/USB =1

-2

–

+2

µA

Rswitch Resistance D to Aux 0 < Vdm, Vdp < 3.3V,

VCC=5V, SC/USB =0

0.5 2 6

Ω

73S8009CN Data Sheet DS_8009CN_026

12 Rev. 1.4

Symbol

Parameter

Condition

Min

Nom

Max

Unit

Reset and Clock for card interface, RST, CLK

V

OH

Output level, high

I

OH

=-200µA

0.9 * V

CC

–

V

CC

V

OL

Output level, low

I

OL

=200µA

0

–

0.15

*V

CC

V

INACT

Output voltage when

outside of session

I

OL

= 0

–

0.1 V

Ifloat Input current I

OL

= 1mA

–

0.3 V

Input current with SC/USB =

0, open circuited

-5

–

+5

µA

I

RST_LIM

Output current limit, RST

–

30 mA

I

CLK_LIM

Output current limit, CLK

–

70 mA

t

R

, t

F

Output rise time, fall time C

L

= 35pF for CLK, 10% to

90%

–

12 ns

C

L

= 200pF for RST, 10% to

90%

–

100 ns

δ

Duty cycle for CLK

C

L

=35pF, F

CLK

≤ 20MHz,

CLKIN duty cycle is 48% to

52%.

45

–

55 %

2.4 Digital Signals Characteristics

Table 5 lists the 73S8009CN digital signals characteristics.

Table 5: Digital Signals Characteristics

Symbol Parameter Condition Min Nom Max Unit

Digital I/O

(except for I/OUC, AUX1UC, AUX2UC; see

Smart Card Interface Requirements

for those specifications)

V

IL

Input Low Voltage -0.3

–

0.8 V

VIL

OFFACK

Input low voltage for

OFF_ACK pin

OFF_REQ pin = VDD -0.3

–

0.7 V

V

IH

Input High Voltage 1.8

–

V

DD

+ 0.3 V

V

OL

Output Low Voltage I

OL

= 2mA

–

0.45 V

V

OH

Output High Voltage I

OH

= -1mA V

DD

- 0.45

–

V

R

OUT

Pull-up resistor; OFF, RDY 14 20 26

kΩ

R

ACK

Resistor between

OFF_REQ and 0FF_ACK

70 100 130

kΩ

|I

IL1

| Input Leakage Current GND < V

IN

< V

DD

–

5 μA

t

SL

Time from CS goes high to

interface active

50

–

ns

t

DZ

Time from CS goes low to

interface inactive, Hi-Z

50

–

ns

t

IS

Set-up time, control

signals to CS rising edge

50

–

ns

t

SI

Hold time, control signals

from CS rising edge

–

50 ns

t

ID

Set-up time, control

signals to CS fall

50

–

ns

t

DI

Hold time, control signals

from CS fall

–

50 ns

73S8009CN-32IM/F

73S8009CN-32IM/F

Products related to this Datasheet