73S8004R
Low Cost Smart Card Interface
Neutral
State
No
I/O
reception
Yes
I/O
&
not I/OUC
No
Yes
I/OUC
&
No
not I/O
Yes
I/OUC
in
I/OICC
in
No
No
I/OUC
yes
I/O
yes
Figure 6: I/O and I/OUC State Diagram
I/O
I/OUC
tI/O_HL
tI/OUC_HL
tI/OUC_LH
tI/O_LH
Figure 7: I/O – I/OUC Delays - Timing Diagram
Delay from I/O to I/OUC:
Delay from I/OUC to I/O:
tI/O_HL = 100ns
tI/O_LH = 10ns
t
I/OUC_HL = 100ns tI/OUC_LH = 10ns
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