A3PE1500-1FG896 ACTEL [Actel Corporation], A3PE1500-1FG896 Datasheet - Page 30

• Manufacturer Part Number: A3PE1500-1FG896
• Description: ProASIC3E Flash Family FPGAs
• Manufacturer: ACTEL [Actel Corporation]

ProASIC3E DC and Switching Characteristics
2 -1 8
Summary of I/O Timing Characteristics – Default I/O Software
Settings
Table 2-15 • Summary of AC Measuring Points
Table 2-16 • I/O AC Parameter Definitions
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
3.3 V GTL
2.5 V GTL
3.3 V GTL+
2.5 V GTL+
HSTL (I)
HSTL (II)
SSTL2 (I)
SSTL2 (II)
SSTL3 (I)
SSTL3 (II)
LVDS
LVPECL
Parameter
t
t
t
t
t
t
t
t
t
t
DP
PY
DOUT
EOUT
DIN
PYS
HZ
ZH
LZ
ZL
Data to Pad delay through the Output Buffer
Pad to Data delay through the Input Buffer with Schmitt trigger disabled
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
Pad to Data delay through the Input Buffer with Schmitt trigger enabled
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
Input Reference Voltage
(V
0.75 V
0.75 V
1.25 V
1.25 V
REF_TYP
0.8 V
0.8 V
1.0 V
1.0 V
1.5 V
1.5 V
v1.2
–
–
–
–
–
–
–
–
)
Definition
Board Termination
Voltage (V
1.485 V
1.485 V
0.75 V
0.75 V
1.25 V
1.25 V
1.2 V
1.2 V
1.5 V
1.5 V
–
–
–
–
–
–
–
–
TT_REF
)
Measuring Trip Point
0.615 * V
0.285 * V
0.285 * V
0.615 * V
Cross point
Cross point
0.90 V
0.75 V
(V
1.4 V
1.2 V
V
V
V
V
V
V
V
V
V
V
trip
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
CCI
CCI
CCI
CCI
)
(FF))
(RR)
(RR)
(FF)