DS_1215F_003 73S1215F Data Sheet
Rev. 1.4 127
125ns
DELAY
IO
PIN
VCC
STRONG
PFET
STRONG
NFET
RL=11K
From
circuit
CMOS
To
circuit
ESD
ESD
Figure 40: Smart Card I/O Circuit
PIN
TTL
To
circuit
VERY
WEAK
NFET
Pull-down
Enable
ESD
ESD
VDD
Figure 41: PRES Input Circuit
