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2 pin list, Pin list – AMD Athlon 27493 User Manual

Page 75

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Chapter 11

Pin Descriptions

63

26237C—May 2003

AMD Athlon™ XP Processor Model 10 Data Sheet

Preliminary Information

11.2

Pin List

Table 24 on page 64 cross-references Socket A pin location to
signal name.

The “L” (Level) column shows the electrical specification for
this pin. “P” indicates a push-pull mode driven by a single
source. “O” indicates open-drain mode that allows devices to
share the pin.

Note: The AMD Athlon processor supports push-pull drivers. For

more information, see “Push-Pull (PP) Drivers” on page 6.

The “P” (Port) column indicates if this signal is an input (I),
output (O), or bidirectional (B) signal. The “R” (Reference)
column indicates if this signal should be referenced to VSS (G)
or VCC_CORE (P) planes for the purpose of signal routing with
respect to the current return paths.

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