Avago Technologies LSI53C876E - Manual (Page 77)

3-5
The LSI53C876 signals are divided into three primary interfaces:
•
PCI Interface
•
SCSI Interface
•
ROM/Flash Memory Interface
A slash (/) at the end of the signal name indicates that the active state
occurs when the signal is at a LOW voltage. When the slash is absent,
the signal is active at a HIGH voltage.
There are five signal type definitions:
I Input, a standard input only signal.
O Output, a standard output driver (typically a Totem Pole Output).
I/O Input and output (bidirectional).
T/S 3-state, a bidirectional, 3-state input/output signal.
S/T/S Sustained 3-state, an active LOW 3-state signal owned and driven by
one and only one agent at a time.