a2f500m3b-1csh484 Actel Corporation, a2f500m3b-1csh484 Datasheet - Page 44

• Manufacturer Part Number: a2f500m3b-1csh484
• Description: Actel
• Manufacturer: Actel Corporation

SmartFusion DC and Switching Characteristics
Table 2-34 • Minimum and Maximum DC Input and Output Levels
Table 2-35 • Minimum and Maximum DC Input and Output Levels
Figure 2-7 • AC Loading
Table 2-36 • AC Waveforms, Measuring Points, and Capacitive Loads
2- 32
3.3 V LVTTL /
3.3 V LVCMOS
Drive Strength
2 mA
4 mA
6 mA
8 mA
12 mA
16 mA
24 mA
Notes:
1. Currents are measured at 100°C junction temperature and maximum voltage.
2. Currents are measured at 85°C junction temperature.
3. Software default selection highlighted in gray.
3.3 V LVTTL /
3.3 V LVCMOS
Drive Strength
8 mA
Notes:
1. Currents are measured at 100°C junction temperature and maximum voltage.
2. Currents are measured at 85°C junction temperature.
3. Software default selection highlighted in gray.
Input Low (V)
0
Note:
*Measuring point = V
Applicable to FPGA I/O Banks
Applicable to MSS I/O Banks
Single-Ended I/O Characteristics
3.3 V LVTTL / 3.3 V LVCMOS
Low-Voltage Transistor–Transistor Logic (LVTTL) is a general-purpose standard (EIA/JESD) for 3.3 V
applications. It uses an LVTTL input buffer and push-pull output buffer.
Test Point
Datapath
Min.
Min.
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
V
V
Input High (V)
VIL
VIL
Max.
Max.
3.3
trip.
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
V
V
See
35 pF
Table 2-21 on page 2-26
Min.
Min.
V
V
2
2
2
2
2
2
2
2
VIH
VIH
Measuring Point* (V)
Max.
Max.
Enable Path
3.6
Test Point
3.6
3.6
3.6
3.6
3.6
3.6
3.6
V
V
1.4
R = 1 K
Max.
Max.
VOL
VOL
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
V
V
R e visio n 3
for a complete table of trip points.
VOH
VOH
Min.
Min.
2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.4
V
V
R to VCCxxxxIOBx for t
R to GND for t
35 pF for t
5 pF for t
V
mA mA
mA mA
I
I
24 24
OL
12 12
16 16
OL
2
6
8
REF
4
8
HZ
ZH
I
I
/ t
OH
OH
(typ.) (V)
6
2
8
/ t
4
8
–
LZ
HZ
ZHS
/ t
ZH
/ t
Max.
Max.
ZL
mA
mA
I
I
109
127
181
/ t
OSL
OSL
27
27
54
54
54
/ t
ZHS
LZ
1
1
ZLS
/ t
ZL
/ t
ZLS
Max.
Max.
I
mA
I
mA
103
132
268
C
OSH
OSH
25
25
51
51
51
LOAD
1
1
35
(pF)
µA
µA
15
15
15
I
I
15
15
15
15
10
IL
IL
2
2
µA
µA
I
15
15
I
15
15
15
15
15
10
IH
IH
2
2