376 AMD Geode™ SC2200 Processor Data Book
Electrical Specifications
32580B
9.2 DC Characteristics
Table 9-15 describes the signal buffer types of the SC2200. See Table 3-2 "BGD432 Ball Assignment - Sorted by Ball Num-
ber" on page 29 and Table 3-2 "BGU481 Ball Assignment - Sorted by Ball Number" on page 29 for each signal’s buffer type.
The subsections that follow provide detailed DC characteristics according to buffer type.

Table 9-10. Buffer Types

Symbol Description Reference
Diode Diodes only, no buffer ---
INAB Input, ACCESS.bus compatible with Schmitt Trigger Section 9.2.1
INBTN Input, TTL compatible with Schmitt Trigger, low leakage Section 9.2.2
INPCI Input, PCI compatible Section 9.2.3
INSTRP Input, Strap ball (min VIH is 0.6VIO) with weak pull-down Section 9.2.4
INTInput, TTL compatible Section 9.2.5
INTS Input, TTL compatible with Schmitt Trigger type 200 mV Section 9.2.6
INTS1 Input, with Schmitt Trigger type 200 mV Section 9.2.7
INUSB Input, USB compatible Section 9.2.8
OAC97 Output, Totem-Pole, AC97 compatible Section 9.2.9
ODnOutput, Open-Drain, capable of sinking n mA (Note 1)
Note 1.Output from these signals is open-drain and cannot be forced high.
Section 9.2.10
ODPCI Output, Open-Drain, PCI compatible Section 9.2.11
Op/n Output, Totem-Pole, capable of sourcing p mA and sinking n mA Section 9.2.12
OPCI Output, PCI compatible, TRI-STATE Section 9.2.13
OUSB Output, USB compatible Section 9.2.14
TSp/n Output, TRI-STATE, capable of sourcing p mA and sinking n mA Section 9.2.15
WIRE Wire, no buffer ---