TDA8005G datasheet(21/32 Pages) PHILIPS

21 / 32 page

1996 Sep 25

Philips Semiconductors

Product speciﬁcation

Low-power smart card coupler

TDA8005

CHARACTERISTICS

VDD =5V; VSS =0V; Tamb =25 °C; for general purpose I/O ports see 80CL51 data sheet; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

VDD

supply voltage

Option dependant

2.5

−

6.0

IDD(pd)

supply current power-down

mode

VDD = 5 V; card inactive

VDD =3V;

“

−

−µA

IDD(sm)

supply current sleep mode

card powered, but with clock

stopped

−

500

−µA

IDD(om)

supply current operating mode unloaded; fxtal = 13 MHz;

fclk = 6.5 MHz; fcard = 3.25 MHz

−

5.5

−

VDD =3V; fxtal = 13 MHz;

fclk = 3.25 MHz; fcard = 3.25 MHz

−

Vth1

threshold voltage on VDD

(falling)

supervisor option

−

2.3

2.45

−

3.8

−

4.5

Vhys1

hysteresis on Vth1

−

350

Vth2

threshold voltage on DELAY

−

1.38

−

VDEL

voltage on pin DELAY

4.6

−

VDD

IDEL

output current at DELAY

pin grounded (charge)

−1.5

−1

−0.4

µA

VDEL =VDD (discharge)

6.8

ALARM pulse width

CDEL =10nF

−

ALARM (open drain active HIGH or LOW output)

IOH

HIGH level output current

active LOW option; VOH =5V

−−

µA

VOL

LOW level output voltage

active LOW option; IOL =2mA

−−

0.4

IOL

LOW level output current

active HIGH option, VOL =0V

−−

−10

µA

VOH

HIGH level output voltage

active HIGH option, IOH = −2mA

VDD − 1

−−

Crystal oscillator (note 1)

fxtal

crystal frequency

−

MHz

fEXT

external frequency applied on

XTAL1

−

MHz

Step-up converter

fINT

oscillation frequency

−

MHz

VUP

voltage on S5

−

6.5

−

Low impedance supply (LIS)

VLIS

voltage on LIS

−

VDD

ILIS

current at LIS

−−

µA

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