a3p250l Actel Corporation, a3p250l Datasheet - Page 82

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

ProASIC3L DC and Switching Characteristics
Table 2-120 • Minimum and Maximum DC Input and Output Levels
Figure 2-21 • AC Loading
Table 2-121 • AC Waveforms, Measuring Points, and Capacitive Loads
Table 2-122 • SSTL3 Class I
2 -7 0
SSTL3 Class I
Drive
Strength
14 mA
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)
V
*
Speed
Grade
Std.
–1
Note:
REF
Measuring point = V
– 0.2
For specific junction temperature and voltage supply levels, refer to
values.
SSTL3 Class I
Stub-Speed Terminated Logic for 3.3 V memory bus standard (JESD8-8). ProASIC3E devices support
Class I. This provides a differential amplifier input buffer and a push-pull output buffer.
Timing Characteristics
Commercial-Case Conditions: T
Worst-Case V
Applicable to Pro I/Os
Min., V Max., V
t
0.66
DOUT
0.77
–0.3
Input HIGH (V)
V
V
trip
IL
V
REF
2.08
1.77
REF
t
DP
. See
– 0.2 V
CCI
+ 0.2
= 3.0 V V
Table 2-15 on page 2-12
0.05
0.04
t
DIN
Min., V
REF
+ 0.2
REF
Test Point
V
1.81
1.54
Measuring
t
Point* (V)
IH
PY
= 1.5 V
Max., V Max., V Min., V mA mA Max., mA
J
1.5
= 70°C, Worst-Case V
3.6
t
A d v a n c e v 0. 4
0.50
0.43
EOUT
SSTL3
Class I
V
25
0.7
for a complete table of trip points.
OL
V
2.11
1.80
t
REF
ZL
V
V
CCI
TT
(typ.) (V)
V
1.5
50
OH
– 1.1 14 14
30 pF
1.65
1.41
CC
t
ZH
= 1.14 V,
I
OL
t
I
LZ
OH
Table 2-6 on page 2-7
V
TT
1.485
t
(typ.) (V)
HZ
I
OSL
51
2.11
1.80
t
ZLS
1
Max., mA
I
OSH
54
1.65
1.41
t
ZHS
C
LOAD
for derating
1
30
µA
(pF)
I
10 10
Units
IL
2
ns
ns
µA
I
IH
2