73S1209F Data Sheet
DS_1209F_004
114
Rev.
1.2
PIN
VDD
STRONG
PFET
STRONG
NFET
Data
From
circuit
TTL
To
circuit
Pullup
Disable
0, 2, 4,
10mA
Current Value
Control
ESD
Figure 34: LED Circuit
PIN
Vih>0.7*VDD
To Circuit
Logic
R= 20k
Ω
This buffer has a
special input
threshold:
ESD
Figure 35: Test and Security Pin Circuit