a3p250 Actel Corporation, a3p250 Datasheet - Page 31

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

Table 2-20 • Summary of Maximum and Minimum DC Input Levels
Summary of I/O Timing Characteristics – Default I/O Software Settings
Table 2-21 • Summary of AC Measuring Points
Table 2-22 • I/O AC Parameter Definitions
DC I/O Standards
3.3 V LVTTL / 3.3 V LVCMOS
2.5 V LVCMOS
1.8 V LVCMOS
1.5 V LVCMOS
3.3 V PCI
3.3 V PCI-X
Notes:
1. Commercial range (0°C < T
2. Industrial range (–40°C < T
Standard
3.3 V LVTTL / 3.3 V LVCMOS
2.5 V LVCMOS
1.8 V LVCMOS
1.5 V LVCMOS
3.3 V PCI
3.3 V PCI-X
Parameter
t
t
t
t
t
t
t
t
t
t
t
DP
PY
DOUT
EOUT
DIN
HZ
ZH
LZ
ZL
ZHS
ZLS
Applicable to Commercial and Industrial Conditions
Data to Pad delay through the Output Buffer
Pad to Data delay through the Input Buffer
Data to Output Buffer delay through the I/O interface
Enable to Output Buffer Tristate Control delay through the I/O interface
Input Buffer to Data delay through the I/O interface
Enable to Pad delay through the Output Buffer—HIGH to Z
Enable to Pad delay through the Output Buffer—Z to HIGH
Enable to Pad delay through the Output Buffer—LOW to Z
Enable to Pad delay through the Output Buffer—Z to LOW
Enable to Pad delay through the Output Buffer with delayed enable—Z to HIGH
Enable to Pad delay through the Output Buffer with delayed enable—Z to LOW
A
A
< 85°C)
< 70°C)
v1.2
Parameter Definition
µA
10
10
10
10
10
10
I
IL
Commercial
Measuring Trip Point (V
1
ProASIC3 DC and Switching Characteristics
µA
I
10
10
10
10
10
10
IH
0.285 * V
0.285 * V
0.615 * V
0.615 * V
0.90 V
0.75 V
1.4 V
1.2 V
CCI
CCI
CCI
CCI
µA
15
15
15
15
15
15
I
IL
(RR)
(RR)
(FF)
(FF)
Industrial
trip
)
2
µA
15
15
15
15
15
15
I
IH
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