Philips TDA8001

1996 Dec 12 14

Philips Semiconductors Product speciﬁcation

Smart card interface TDA8001

CHARACTERISTICS

VDD =12V; V

H= 25 V; VSUP =5V; T

amb =25°C; unless otherwise speciﬁed.

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

Supply

VDD supply voltage 6.7 −18 V

IDD supply current idle mode; VDD=8 V 20 30 38 mA

idle mode; VDD =18V223442mA

active mode; unloaded 35 45 55 mA

Vth1 threshold voltage for power-on

reset

−3.0 4.0 V

Vth4 threshold voltage on VDD(falling) 6.0 −6.5 V

Vhys4 hysteresis on Vth4 50 −200 mV

Voltage supervisor

VSUP voltage supply for the supervisor −5.0 −V

ISUP input current at VSUP −1.8 2.4 mA

Vth2 threshold voltage on VSUP (falling) 4.5 −4.72 V

Vhys2 hysteresis on Vth2 10 −80 mV

Vth3 threshold voltage on DELAY 2.35 −2.65 V

IDEL output current at DELAY pin grounded (charge) −5−−2µA

DEL =4 V (discharge) 6 −− mA

VDEL voltage on pin DELAY −−3.5 V

ALARM, ALARM (open-collector outputs)

IOH HIGH level output current on

pin ALARM VOH=5V −−25 µA

VOL LOW level output voltage on

pin ALARM IOL=2mA −−0.4 V

IOL LOW level output current on

pin ALARM VOL=0V −−−25 µA

VOH HIGH level output voltage on

pin ALARM IOH=−2mA V

SUP −1−− V

ddelay between VSUP and ALARM CDEL =47 nF; see Fig.4 −−10 µs

tpulse ALARM pulse width CDEL =47 nF 15 −50 ms

Interrupt lines OFF and DETECT (open-collector)

IOH HIGH level output current VOH =5V −−25 µA

VOL LOW level output voltage IOL=1mA −−0.4 V

Logic inputs (CMDVCC, VPP21, VPP15, VPP12.5, CMD7, CMD3.5, PRES, PRES and RSTIN); note 1

VIL LOW level input voltage −−0.8 V

VIH HIGH level input voltage 1.5 −− V

IL LOW level input current VIL =0V −−−10 µA