S5920Q Applied Micro Circuits Corporation, S5920Q Datasheet - Page 32
S5920Q
Manufacturer Part Number
S5920Q
Description
Manufacturer
Applied Micro Circuits Corporation
Datasheet
1.S5920Q.pdf
(165 pages)
Specifications of S5920Q
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Operating Temperature (max)
70C
Package Type
PQFP
Rad Hardened
No
Lead Free Status / Rohs Status
Not Compliant
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
S5920Q
Manufacturer:
AMCC
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S5920 – PCI Product: Signal Description
Signal Type Definitions
Note: Tri-State
AMCC Confidential and Proprietary
The following signal types are taken from the PCI Bus Specification.
in
out
t/s
s/t/s
o/d
Each signal that assumes the logic low state when asserted is followed by the pound sign (#). Example: TRDY# signal is
asserted low when the target is ready to complete a data transfer. Signals that are not followed by the pound sign are
asserted when they assume the logic high state.
The following designations are used throughout this book when referring to the size of data objects:
All hex numbers are followed by an “h”. Examples:
All binary numbers are followed by an “b”. Examples:
All decimal numbers are followed by an “d”. Examples:
Input is a standard input-only signal.
Totem Pole Output is a standard active driver.
Tri-State ®is a bi-directional, tri-state input/output pin.
Sustained Tri-State is an active low tri-state signal owned and driven by one and only one agent at a time. The
agent that drives an s/t/s pin low must drive it high for at least one clock before letting it float. A new agent cannot
start driving an s/t/s signal any sooner than one clock after the previous owner tri-states it. A pull-up is required to
sustain the inactive state until another agent drives it, and must be provided by the central source.
Open Drain allows multiple devices to share as a wire-OR.
A BYTE is an 8-bit object.
A WORD is a 16-bit, or 2-byte object.
A DWORD is a double word and is a 32-bit or 4-byte object.
9A4Fh
0110h
1010b
0110b
4356d
1101d
®
is a Registered Trademark of National Semiconductor.
Revision 1.02 – April 12, 2007
Data Book
DS1596
32
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