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TDA8004T

Features: · 3 or 5 V supply for the IC (GND and VDD)· Step-up converter for VCC generation (separately powered with a 5 V ±10% supply, VDDP and PGND)· 3 specific protected half duplex bidirectional buffered I/O lines (C4, C7 and C8)· VCC regulation 5 V ±5% on 2 × 100 nF or 1 ×100 nF and 1 ×220 nF ...

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SeekIC No. : 004516645 Detail

TDA8004T: Features: · 3 or 5 V supply for the IC (GND and VDD)· Step-up converter for VCC generation (separately powered with a 5 V ±10% supply, VDDP and PGND)· 3 specific protected half duplex bidirectional ...

TDA8004T Data Sheet

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Part Number:
TDA8004T
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· 3 or 5 V supply for the IC (GND and VDD)
· Step-up converter for VCC generation (separately powered with a 5 V ±10% supply, VDDP and PGND)
· 3 specific protected half duplex bidirectional buffered I/O lines (C4, C7 and C8)
· VCC regulation 5 V ±5% on 2 × 100 nF or 1 ×100 nF and 1 ×220 nF multilayer ceramic capacitors with low
    ESR, ICC < 65 mA at 4.5 V < VDDP < 6.5 V, current spikes of 40 nAs up to 20 MHz, with controlled rise and
    fall times, filtered overload detection approximately 90 mA)
· Thermal and short-circuit protections on all card contacts
· Automatic activation and deactivation sequences (initiated by software or by hardware in the event of a
    short-circuit, card take-off, overheating or supply drop-out)
· Enhanced ESD protection on card side (>6 kV)
· 26 MHz integrated crystal oscillator
· Clock generation for the card up to 20 MHz (divided by 1, 2, 4 or 8 through CLKDIV1 and CLKDIV2 signals)
· Non-inverted control of RST via pin RSTIN
· ISO 7816, GSM11.11 and EMV (payment systems) compatibility
· Supply supervisor for spikes killing during power-on and power-off
· One multiplexed status signal OFF.


Application

· IC card readers for banking
· Electronic payment
· Identification
· Pay TV.


Pinout

Connection Diagram


Specifications

SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VDD,VDDP
 supply voltage  
-0.3
+7
V
Vn1
 voltage on pins: XTAL1, XTAL2, RFU1, RSTIN,
AUX2UC, AUX1UC, I/OUC, CLKDIV1, CLKDIV2,
CMDVCC and OFF		  
-0.3
+7
V
Vn2
 voltage on card contact pins PRES, PRES, I/O, RST,
AUX1, AUX2 and CLK		  
-0.3
+7
V
Vn3
 voltage on pin VUP, S1 and S2  
-
9
V
Tstg
 IC storage temperature  
-55
+125
Ptot
 continuous total power dissipation Tamb = -25 to +85
-
0.56
W
Tj
 junction temperature  
-
150
Ves1
 electrostatic voltage on pins: I/O, RST, VCC, AUX1,
CLK, AUX2, PRES and PRES		  
-6
+6
KV
Ves2
 electrostatic voltage on all other pins  
-2
+2
KV
Notes
1. All card contacts are protected against any short with any other card contact.
2. Stress beyond these levels may cause permanent damage to the device. This is a stress rating only and functional
    operation of the device under this condition is not implied.


Description

The TDA8004T is a complete low cost analog interface for asynchronous smart cards. It can be placed betw the card
and the microcontroller with very few external components to perform all supply protection and control functions.




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