a3p250l Actel Corporation, a3p250l Datasheet - Page 72

• Manufacturer Part Number: a3p250l
• Description: Proasic3l Low-power Flash Fpgas With Flash*freeze Technology
• Manufacturer: Actel Corporation

ProASIC3L DC and Switching Characteristics
Table 2-91 • Minimum and Maximum DC Input and Output Levels
Figure 2-12 • AC Loading
Table 2-92 • AC Waveforms, Measuring Points, and Capacitive Loads
2 -6 0
3.3 V PCI/PCI-X
Drive Strength
Per PCI specification
Notes:
1. Currents are measured at 100°C junction temperature and maximum voltage.
2. Currents are measured at 85°C junction temperature.
Input LOW (V)
0
*
Measuring point = V
Test Point
Datapath
3.3 V PCI, 3.3 V PCI-X
Peripheral Component Interface for 3.3 V standard specifies support for 33 MHz and 66 MHz PCI
Bus applications.
AC loadings are defined per the PCI/PCI-X specifications for the database; Actel loadings for enable
path characterization are described in
AC loadings are defined per PCI/PCI-X specifications for the datapath; Actel loading for tristate is
described in
R = 25
Min, V Max, V Min, V Max, V Max, V Min, V mA mA Max, mA
trip.
Table
See
R to V
R to GND for t
V
IL
Table 2-25 on page 2-24
2-92.
Input HIGH (V)
CCI
for t
3.3
DP
DP
V
IH
(F)
(R)
A d v a n c e v 0. 4
Figure
Enable Path
Test Point
for a complete table of trip points.
Per PCI curves
V
OL
2-12.
Measuring Point* (V)
0.285 * V
0.615 * V
R = 1 k
V
OH
CCI
CCI
I
for t
for t
OL
10 pF for t
R to V
R to GND for t
5 pF for t
I
DP(R)
DP(F)
OH
CCI
I
OSL
for t /t /t
HZ
ZH ZHS
/t
/t
1
LZ
LZ ZL ZLS
HZ ZH ZHS
Max, mA
C
/t
/t /t
LOAD
I
ZL
OSH
10
/t
ZLS
(pF)
1
µA
10
I
IL
2
µA
I
10
IH
2