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PC87383 Datasheet(PDF) 18 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # PC87383
Description  Legacy-Reduced SuperI/O with Fast Infrared Port, Serial Port, Parallel Port and GPIOs for Portable Applications
PDF  77 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87383 Datasheet(HTML) 18 Page - National Semiconductor (TI)

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2.0 Power, Reset and Clocks (Continued)
www.national.com
18
Revision 1.1
Figure 2. XOR Tree (Simplified Diagram)
The maximum propagation delay through the XOR tree, from the first pin in the chain to XOR_OUT is 200 ns.
2.4.3
Test Mode Entry Sequence
Table 6 shows the decoding values required to enter each test mode. The test modes are decoded from the TEST and TRIS
strap pins and are latched into PC87383 on power up.
Table 6. Test Mode Selection
Test Mode
TEST
TRIS
No Test Mode Selected
1
1
ICT
1
0
XOR Tree
0
1
Reserved exclusively for
NSC use
00
VDD
XOR_OUT
Pin n
Pin n+1
Pin n+2
Pin n+3
Pin 21
Pin 22



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