a3p1000-1pqg208m Actel Corporation, a3p1000-1pqg208m Datasheet - Page 41

• Manufacturer Part Number: a3p1000-1pqg208m
• Description: Fpga Proasic 3 Family 1m Gates 130nm Cmos Technology 1.5v 208-pin Pqfp
• Manufacturer: Actel Corporation

Table 2-27 • Summary of AC Memory Points
Table 2-28 • 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
1.2 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
t
DP
PY
DOUT
EOUT
DIN
HZ
ZH
LZ
ZL
ZHS
ZLS
Applicable to A3PE600L and A3PE3000L devices operating at 1.2 V core regions only.
Summary of I/O Timing Characteristics – Default I/O Software Settings
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
Input Reference Voltage
(VREF_TYP)
0.75 V
0.75 V
1.25 V
1.25 V
0.8 V
0.8 V
1.0 V
1.0 V
1.5 V
1.5 V
–
–
–
–
–
–
–
–
–
*
Parameter Definition
R e v i s i o n 0
Voltage (VTT_REF)
Board Termination
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
–
–
–
–
–
–
–
–
–
Military ProASIC3/EL Low Power Flash FPGAs
Measuring Trip Point
0.615 * VCCI (FF))
0.285 * VCCI (RR)
0.285 * VCCI (RR)
0.615 * VCCI (FF)
Cross point
Cross point
(Vtrip)
0.90 V
0.75 V
VREF
VREF
VREF
VREF
VREF
VREF
VREF
VREF
VREF
VREF
1.4 V
1.2 V
0.6V
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