A54SX16-1CG256 ACTEL [Actel Corporation], A54SX16-1CG256 Datasheet - Page 43

• Manufacturer Part Number: A54SX16-1CG256
• Description: SX Family FPGAs RadTolerant and HiRel
• Manufacturer: ACTEL [Actel Corporation]

Datasheet Information
List of Changes
The following table lists critical changes that were made in the current version of the document.
Previous Version Changes in Current Version (v2 . 1)
v2.0
Preliminary v1.5
Preliminary v1.5.2
The
The
The
Table 1-1
Power-up and -down sequencing information was modified: damage to the device is possible when
3.3 V is powered-up first and when 5.0 V is powered-down first.
The last line of
The User I/Os changed.
The following sections are new or were updated:
"Power
"Dedicated Test
Pins", and
The
Note that the “Package Characteristics and Mechanical Drawings” section has been eliminated from the
data sheet. The mechanical drawings are now contained in a separate document,
and Mechanical
"Product Profile"
"Ordering Information"
"Product Plan"
"Pin Description"
Requirements",
was updated.
"Design
EQ 1-4
Drawings, available on the Actel web site.
Mode",
Considerations".
was updated.
was updated.
has been updated.
was cut off in the previous version. It has been replaced in the existing version.
"Boundary Scan Testing (BST)","Configuring Diagnostic
"Flexible
was updated.
Mode",
v2.1
"Development Tool
"Clock
Resources", "Performance",
Support",
SX Family FPGAs RadTolerant and HiRel
"RTSX Probe Circuit Control
Package Characteristics
Pins",
"I/O
"TRST
Modules",
Pin",
i
ii
ii
8
13
16
8
7
11
28
N/A
Page
3-1
to