TDA8034AT/C1,118 NXP Semiconductors, TDA8034AT/C1,118 Datasheet - Page 9

• 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
8.7 Deactivation sequence
When a session ends, the microcontroller sets pin CMDVCCN HIGH. The
TDA8034T/TDA8034AT then executes an automatic deactivation sequence by counting
the sequencer back to the inactive state (see
Calculation of the time delays is as follows:
1. Pin RST is pulled LOW (t11).
2. The clock is stopped, pin CLK is LOW (t12).
3. Pin I/O is pulled LOW (t13).
4. V
5. V
6. All card contacts become low-impedance to GND. However, pin I/OUC remains pulled
7. The internal oscillator returns to its low frequency mode.
Fig 6.
•
•
•
•
•
CMDVCCN
XTAL
V
I/O
CLK
RSTIN
RST
I/OUC
OSCINT
inactive state.
up to V
t11 = t10 + 3T / 64
t12 = t11 + T / 2
t13 = t11 + T
t14 = t11 + 3T / 2
t
CC
deac
CC
CC
falls to 0 V (t14). The deactivation sequence is completed when V
< 0.4 V (t
= t11 + 3T / 2 + V
OSCINT = internal oscillator.
Activation sequence at t3
DD
low frequency
using the 11 kΩ resistor.
All information provided in this document is subject to legal disclaimers.
t0
deac
t1 = t2
Rev. 3.0. — 17 January 2011
)
CC
t
d(start)
fall time
t4
> 200 ns
t
d(end)
TDA8034T; TDA8034AT
= t
act
Figure
high frequency
7) as follows:
Smart card interface
© NXP B.V. 2011. All rights reserved.
CC
ATR
reaches its
001aai966
9 of 29