TDA8005A Datasheet, PDF (25/36 Pages) NXP Semiconductors – Low-power 3 V/5 V smart card coupler

Philips Semiconductors
Low-power (3 V/5 V) smart card coupler
Preliminary specification
TDA8005A
SYMBOL
PARAMETER
CONDITIONS
Timing
t_act
t_de
t_3(start)
t_5(end)
activation sequence duration
deactivation sequence
duration
start of the window for
sending clock to the card
end of the window for sending
clock to the card
Auxiliary outputs (AUX1 and AUX2)
V_OL
LOW-level output voltage
I_OL = 5 mA
V_OH
HIGH-level output voltage
I_OH = −5 mA
Output ports from extension (K0 to K5)
V_OL
LOW-level output voltage
I_OL = 2 mA
V_OH
HIGH-level output voltage
I_OH = −2 mA
Card presence input (pin PRES)
V_IL
LOW-level input voltage
I_IL = −1 mA
V_IH
HIGH-level input voltage
I_IH = 100 µA
I_IH
HIGH-level input current
V_IH = 5 V
Notes
1. See Table 3 for mask options.
2. The crystal oscillator is the same as option 3 of the P80CL51.
MIN.
TYP.
MAX. UNIT
−
−
−
−
−
−
140
−
225
µs
150
µs
130
µs
−
µs
−
−
V_DD − 1 −
−
−
V_DD − 1 −
−
−
0.7V_DD −
0.2
−
0.4
V
−
V
0.4
V
−
V
0.6
V
−
V
3
µA
1998 Mar 20
25