TDA8005 Datasheet, PDF (21/32 Pages) NXP Semiconductors – Low-power smart card coupler

Philips Semiconductors
Low-power smart card coupler
Product specification
TDA8005
CHARACTERISTICS
V_DD = 5 V; V_SS = 0 V; T_amb = 25 °C; for general purpose I/O ports see 80CL51 data sheet; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Supply
V_DD
I_DD(pd)
I_DD(sm)
I_DD(om)
V_th1
supply voltage
Option dependant
supply current power-down
mode
V_DD = 5 V; card inactive
V_DD = 3V; “ “
supply current sleep mode
card powered, but with clock
stopped
supply current operating mode unloaded; f_xtal = 13 MHz;
f_clk = 6.5 MHz; f_card = 3.25 MHz
V_DD = 3 V; f_xtal = 13 MHz;
f_clk = 3.25 MHz; f_card = 3.25 MHz
threshold voltage on V_DD
(falling)
supervisor option
V_hys1
V_th2
V_DEL
I_DEL
t_W
hysteresis on V_th1
threshold voltage on DELAY
voltage on pin DELAY
output current at DELAY
ALARM pulse width
pin grounded (charge)
V_DEL = V_DD (discharge)
C_DEL = 10 nF
ALARM (open drain active HIGH or LOW output)
I_OH
HIGH level output current
active LOW option; V_OH = 5 V
V_OL
LOW level output voltage
active LOW option; I_OL = 2 mA
I_OL
LOW level output current
active HIGH option, V_OL = 0 V
V_OH
HIGH level output voltage
active HIGH option, I_OH = −2 mA
Crystal oscillator (note 1)
f_xtal
crystal frequency
f_EXT
external frequency applied on
XTAL1
2.5
−
−
−
−
2
2.45
3.8
40
−
4.6
−1.5
4
−
−
−
−
V_DD − 1
2
0
−
90
500
5.5
3
−
−
−
−
1.38
−
−1
6.8
10
−
−
−
−
−
−
6.0
−
−
−
−
2.3
3
4.5
350
−
V_DD
−0.4
10
−
10
0.4
−10
−
16
16
V
µA
µA
mA
mA
V
V
V
mV
V
V
µA
mA
ms
µA
V
µA
V
MHz
MHz
Step-up converter
f_INT
oscillation frequency
V_UP
voltage on S5
Low impedance supply (LIS)
V_LIS
voltage on LIS
I_LIS
current at LIS
2
−
3
MHz
−
6.5 −
V
0
−
V_DD
V
−
−
7
µA
1996 Sep 25
21