TDA8000 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
TDA8000 Datasheet PDF : 24 Pages
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Philips Semiconductors
Smart card interface
Product specification
TDA8000; TDA8000T
CHARACTERISTICS
VDD = 12 V; VH = 25 V; VSUP = 5 V; fxtal = 7.16 MHz or fCLKIN = 3.58 MHz; Tamb = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
Supply
VDD
supply voltage
IDD
supply current
6.7
−
18
V
idle mode; VDD = 8 V
16
22
30
mA
idle mode; VDD = 18 V 20
28
36
mA
active mode; unloaded 26
32
38
mA
Vth1
threshold voltage for power-on
reset
1.5
3.0
4.0
V
Vth4
Vhys4
threshold voltage on VDD (falling)
hysteresis on Vth4
6.0
−
6.5
V
50
−
200
mV
Voltage supervisor
VSUP
supply voltage for the supervisor
−
5
−
V
ISUP
input current on VSUP
−
1.6
2
mA
Vth2
threshold voltage on VSUP (falling)
4.5
−
4.68
V
Vhys2
hysteresis on Vth2
10
−
80
mV
Vth3
threshold voltage on DELAY
2.35
−
2.65
V
IDEL
output current on DELAY
pin grounded (charge) −4
−
−2.5
µA
VDEL = 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 VOH = 5 V
ALARM
−
−
25
µA
VOL
LOW level output voltage on pin IOL = 2 mA
ALARM
−
−
0.4
V
IOL
LOW level output current on pin VOL = 0 V
ALARM
−
−
−25
µA
VOH
HIGH level output voltage on pin IOH = −2 mA
ALARM
VSUP − 1 −
−
V
td
delay between VSUP and ALARM CDEL = 47 nF; see Fig.3 −
−
10
µs
tpulse
ALARM pulse width
CDEL = 47 nF
30
−
65
ms
Interrupt line OFF (open-collector)
IOH
HIGH level output current
VOL
LOW level output voltage
VOH = 5 V
IOL = 1 mA
−
−
25
µA
−
−
0.4
V
Logic inputs (RSTIN, START, WRITE, CLKDIV, PSEL1, PSEL2, PRES, PRES); note 1
VIL
LOW level input voltage
VIH
HIGH level input voltage
IIL
LOW level input current
IIH
HIGH level input current
VIL = 0 V
VIH = 5 V
−
−
0.8
V
1.5
−
−
V
−
−
−20
µA
−
−
20
µA
1996 Dec 12
12
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