Datasheet

TDA8034T_TDA8034AT All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 3.1 — 13 December 2012 20 of 30
NXP Semiconductors
TDA8034T; TDA8034AT
Smart card interface
12. Application information
t
d
delay time CLK sent to card using an external clock
t
d(start)
= t3; see Figure 6 on page 10 2090 - 4112 s
t
d(end)
= t5; see Figure 6 on page 10 2120 - 4160 s
t
deb
debounce time pin PRESN 3.2 4.5 6.4 ms
Table 9. Timing characteristics
…continued
Symbol Parameter Conditions Min Typ Max Unit
Fig 13. Definition of output and input transition times
001aai973
10 % 10 %
90 % 90 %
t
r
t
f
V
OH
(V
OH
+ V
OL
) / 2
V
OL
t1 t2
Fig 14. Application diagram
001aal003
100 nF
C1
V
DD(INTF)
V
DD(INTF)
MICROCONTROLLER
I/OUCXTAL1
161
OFFNXTAL2
152
V
DD
V
DD(INTF)
143
V
DDP
RSTIN
134
V
CC
CMDVCCN
125
RSTCLKDIV1
116
CLKPRESN
107
GNDI/O
98
TDA8034T
TDA8034AT
TDA8034BT
100 nF
C2
C3
100 nF
C4
10 μF
V
DD
V
DDP
R4
0 W
C5
470 nF
C6
220 nF
C5
CARD
CONNECTOR
C1
C6 C2
C7 C3
C8 C4