a3p250 Actel Corporation, a3p250 Datasheet - Page 115

• Manufacturer Part Number: a3p250
• Description: Proasic3 Flash Family Fpgas With Optional Soft Arm Support
• Manufacturer: Actel Corporation

Part Number and Revision Date
List of Changes
Previous Version
v1.1
(January 2008)
v1.0
(January 2008)
v2.2
(July 2007)
v2.1
(May 2007)
v2.0
(April 2007)
Part Number 51700097-002-2
Revised June 2008
The following table lists critical changes that were made in the current version of the chapter.
Table note references were added to
Conditions
The title for
remove "as measured on quiet I/Os." Table note 1 was revised to remove
"estimated SSO density over cycles." Table note 2 was revised to remove "refers
only to overshoot/undershoot limits for simultaneous switching I/Os.
The
pertaining to input buffer power and output buffer power.
Table 2-28 · I/O Output Buffer Maximum Resistances1
values for 3.3 V PCI/PCI-X.
Table 2-80 · LVDS Minimum and Maximum DC Input and Output Levels
updated.
In
column and was incorrect. It was corrected and changed to T
In
Temperature1, Maximum Operating Junction Temperature was changed from
110°C to 100°C for both commercial and industrial grades.
The
In the
FCLKIN is the input clock frequency.
In
was incorrect. It previously said T
In
are new.
in the previous version of the document.
This document was previously in datasheet v2.2. As a result of moving to the
handbook format, Actel restarted the version numbers so the new version
number is v1.0.
The T
changed to T
Table 3-5 • Package Thermal Resistivities was updated with A3P1000
information. The note below the table is also new.
The timing characteristics tables were updated.
The "PLL Macro" section was updated to add information on the VCO and PLL
outputs during power-up.
Table 2-114 · JTAG 1532
Table 2-2 · Recommended Operating Conditions
Table 2-20 · Summary of Maximum and Minimum DC Input
Table 2-104 · ProASIC3 CCC/PLL
Table 2-3 · Flash Programming Limits – Retention, Storage and Operating
"PLL Behavior at Brownout Condition" section
"Power per I/O Pin" section
J
"PLL Contribution—PPLL"
parameter in Table 3-2 • Recommended Operating Conditions was
1
, and the order of the table notes was changed.
A
Table 2-4 · Overshoot and Undershoot Limits 1
, ambient temperature, and table notes 4–6 were added.
Changes in Current Version (v1.2)
was populated with the parameter data, which was not
section, the following was deleted:
J
v1.2
and it was corrected and changed to T
Specification, the SCLK parameter and note 1
was updated to include 3 additional tables
Table 2-2 · Recommended Operating
1
is new.
, T
ProASIC3 DC and Switching Characteristics
J
was listed in the symbol
was revised to include
A
.
was modified to
Levels, the note
"
A
.
was
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