PC87373 datasheet(12/174 Pages) NSC

12 / 174 page

Table of Contents (Continued)

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Revision 1.1

13.2.7

Output, TTL/CMOS Compatible, Push-Pull Buffer .................................................... 155

13.2.8

Output, TTL/CMOS Compatible, Open-Drain Buffer ................................................. 155

13.2.9

Output, PCI 3.3V Compatible .................................................................................... 155

13.2.10 Analog Output ............................................................................................................ 155

13.2.11 Input/Output Switch, SMBus Compatible .................................................................. 156

13.2.12 Exceptions ................................................................................................................. 156

13.2.13 Terminology ............................................................................................................... 156

13.3

INTERNAL RESISTORS ......................................................................................................... 157

13.3.1

Pull-Up Resistor ......................................................................................................... 157

13.3.2

Pull-Down Resistor .................................................................................................... 157

13.4

AC ELECTRICAL CHARACTERISTICS .................................................................................. 158

13.4.1

AC Test Conditions .................................................................................................... 158

13.4.2

Reset Timing ............................................................................................................. 159

13.4.3

Clock Timing .............................................................................................................. 161

13.4.4

LPC Interface Timing ................................................................................................. 163

13.4.5

FDC Timing ............................................................................................................... 165

13.4.6

Parallel Port Timing ................................................................................................... 167

13.4.7

Serial Ports 1 and 2 Timing ....................................................................................... 169

13.4.8

Glue Function Timing ................................................................................................ 170

13.4.9

SWC Timing .............................................................................................................. 173

PC87373 Datasheet(PDF) 12 Page - National Semiconductor (TI)