TDA8001 Datasheet, PDF (14/24 Pages) NXP Semiconductors – Smart card interface

Philips Semiconductors
Smart card interface
Product specification
TDA8001
CHARACTERISTICS
V_DD = 12 V; V_H = 25 V; V_SUP = 5 V; T_amb = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
Supply
V_DD
supply voltage
I_DD
supply current
6.7
idle mode; V_DD = 8 V
20
idle mode; V_DD = 18 V
22
active mode; unloaded 35
−
18
30
38
34
42
45
55
V_th1
threshold voltage for power-on
reset
−
3.0
4.0
V_th4
V_hys4
threshold voltage on V_DD (falling)
hysteresis on V_th4
6.0
−
6.5
50
−
200
Voltage supervisor
V_SUP
I_SUP
V_th2
V_hys2
V_th3
I_DEL
V_DEL
voltage supply for the supervisor
input current at V_SUP
threshold voltage on V_SUP (falling)
hysteresis on V_th2
threshold voltage on DELAY
output current at DELAY
pin grounded (charge)
voltage on pin DELAY
V_DEL = 4 V (discharge)
−
−
4.5
10
2.35
−5
6
−
5.0
−
1.8
2.4
−
4.72
−
80
−
2.65
−
−2
−
−
−
3.5
ALARM, ALARM (open-collector outputs)
I_OH
HIGH level output current on
V_OH = 5 V
pin ALARM
−
−
25
V_OL
LOW level output voltage on
I_OL = 2 mA
pin ALARM
−
−
0.4
I_OL
LOW level output current on
V_OL = 0 V
pin ALARM
−
−
−25
V_OH
HIGH level output voltage on
I_OH = −2 mA
pin ALARM
V_SUP − 1 −
−
t_d
t_pulse
delay between V_SUP and ALARM C_DEL = 47 nF; see Fig.4 −
ALARM pulse width
C_DEL = 47 nF
15
−
10
−
50
Interrupt lines OFF and DETECT (open-collector)
I_OH
HIGH level output current
V_OL
LOW level output voltage
V_OH = 5 V
I_OL = 1 mA
−
−
25
−
−
0.4
Logic inputs (CMDVCC, VPP21, VPP15, VPP12.5, CMD7, CMD3.5, PRES, PRES and RSTIN); note 1
V_IL
LOW level input voltage
V_IH
HIGH level input voltage
I_IL
LOW level input current
V_IL = 0 V
−
−
0.8
1.5
−
−
−
−
−10
UNIT
V
mA
mA
mA
V
V
mV
V
mA
V
mV
V
µA
mA
V
µA
V
µA
V
µs
ms
µA
V
V
V
µA
1996 Dec 12
14