TDA8034AT/C1,118 NXP Semiconductors, TDA8034AT/C1,118 Datasheet - Page 12

• Manufacturer Part Number: TDA8034AT/C1,118
• Description: IC SMART CARD INTERFACE 16SOIC
• Manufacturer: NXP Semiconductors
• Type: Smart Card Interfacer

Specifications of TDA8034AT/C1,118

• Package / Case: 16-SOIC (3.9mm Width)
• Controller Type: Smart Card Interface
• Interface: Analog
• Voltage - Supply: 3V, 5V
• Current - Supply: 65mA
• Operating Temperature: -25°C ~ 85°C
• Mounting Type: Surface Mount
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 25 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 935289276118

NXP Semiconductors
TDA8034T_TDA8034AT
Product data sheet
Fig 9.
(1) Deactivation caused by card withdrawal.
(2) Deactivation caused by short-circuit.
Operation of debounce feature with pins OFFN, CMDVCCN, PRESN and V
CMDVCCN
8.10 Automatic determining of card supply voltage
PRESN
OFFN
V
CC
The supply voltage (V
the duration of the HIGH state (logic 1) on pin CMDVCCN before the activation command
(CMDVCCN falling edge) occurs. If pin CMDVCCN stays HIGH for more than 30 ms,
activation occurs with V
activation occurs with V
To activate the card at V
going LOW (logic 0).
To activate the card at V
going LOW (logic 0).
If pin CMDVCCN is HIGH for more than 15 ms (t0 > 15 ms) but less than 30 ms, pin
CMDVCCN must be set LOW for t1 (200 μs < t1 < 700 μs), and then HIGH for t2
(200 μs < t2 < 15 ms) before going LOW.
Fig 10. Card activation, V
Fig 11. Card activation, V
All information provided in this document is subject to legal disclaimers.
CMDVCCN
CMDVCCN
t
deb
Rev. 3.0. — 17 January 2011
CC
V
V
CC
CC
CC
CC
) that the card requires is determined automatically by monitoring
CC
CC
set to 5 V. If pin CMDVCCN stays HIGH for less than 15 ms,
set to 3 V.
CC
CC
= 5 V, pin CMDVCCN must stay HIGH for t0 > 30 ms before
= 3 V, pin CMDVCCN must stay HIGH for t0 < 15 ms before
3 V or 5 V
3 V or 5 V
= 5 V, t0 > 30 ms
= 3 V, t0 < 15 ms
(1)
TDA8034T; TDA8034AT
t0
t0
t
deb
CC
5 V
3 V
001aak998
001aak999
(2)
Smart card interface
001aal411
© NXP B.V. 2011. All rights reserved.
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