M1AFS250-FGG256I Actel Corporation, M1AFS250-FGG256I Datasheet - Page 224

• Manufacturer Part Number: M1AFS250-FGG256I
• Description: Actel Fusion Family Of Mixed Signal Fpgas
• Manufacturer: Actel Corporation

Device Architecture
Table 2-156 • Minimum and Maximum DC Input and Output Levels
Figure 2-129 • AC Loading
Table 2-157 • AC Waveforms, Measuring Points, and Capacitive Loads
Table 2-158 • SSTL 2 Class II
2- 20 8
SSTL2 Class II
Drive Strength
18 mA
Notes:
1. I
2. I
3. Currents are measured at high temperature (100°C junction temperature) and maximum voltage.
4. Currents are measured at 85°C junction temperature.
Input Low (V)
VREF – 0.2
Note:
Speed
Grade
Note:
Std.
–1
–2
larger when operating outside recommended ranges.
IL
IH
is the input leakage current per I/O pin over recommended operation conditions where –0.3 V < VIN < VIL.
is the input leakage current per I/O pin over recommended operating conditions VIH < VIN < VCCI. Input current is
*Measuring point = V
For the derating values at specific junction temperature and voltage supply levels, refer to
page
Commercial Temperature Range Conditions: T
Worst-Case VCCI = 2.3 V, VREF = 1.25 V
t
SSTL2 Class II
Stub-Speed Terminated Logic for 2.5 V memory bus standard (JESD8-9). Fusion devices support Class
II. This provides a differential amplifier input buffer and a push-pull output buffer.
DOUT
0.66
0.56
0.49
3-9.
Timing Characteristics
Min.
–0.3
V
2.17
1.84
1.62
t
Input High (V)
DP
VREF + 0.2
VIL
VREF – 0.2 VREF + 0.2
trip
Max.
V
. See
0.04
0.04
0.03
t
DIN
Table 2-87 on page 2-168
1.33
1.14
1.00
t
PY
Min.
Test Point
V
Measuring Point* (V)
V
IH
t
EOUT
0.43
0.36
0.32
Max.
1.25
3.6
V
SSTL2
Class II
25
2.21
1.88
1.65
R e visio n 1
t
ZL
Max.
VOL
0.35 VCCI – 0.43 18
V
J
for a complete table of trip points.
= 70°C, Worst-Case VCC = 1.425 V,
VTT
1.77
1.51
1.32
t
25
ZH
30 pF
VREF (typ.) (V)
VOH
Min.
V
1.25
t
LZ
mA mA
I
OL
t
HZ
I
18
OH
VTT (typ.) (V)
Max.
mA
1.25
I
124
OSL
4.44
3.78
3.32
t
ZLS
3
Max.
mA
I
169
OSH
t
4.01
3.41
2.99
ZHS
3
Table 3-7 on
C
LOAD
µA
I
10
IL
30
1
4
Units
ns
ns
ns
(pF)
µA
I
10
IH
2
4