AX500-1BG896 ACTEL [Actel Corporation], AX500-1BG896 Datasheet - Page 50

• Manufacturer Part Number: AX500-1BG896
• Description: Axcelerator Family FPGAs
• Manufacturer: ACTEL [Actel Corporation]

Class II
Table 2-46 • DC Input and Output Levels
AC Loadings
Figure 2-22 • AC Test Loads
Table 2-47 • AC Waveforms, Measuring Points, and Capacitive Loads
Timing Characteristics
Table 2-48 • 2.5V SSTL2 Class II I/O Module
2 -3 6
* Measuring Point = V
Parameter
2.5V SSTL2 Class II I/O Module Timing
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
DP
PY
ICLKQ
OCLKQ
SUD
SUE
HD
HE
CPWHL
CPWLH
WASYN
REASYN
HASYN
CLR
PRESET
Axcelerator Family FPGAs
Min,V
-0.3
Input Low (V)
V
REF
-0.75
V
Worst-Case Commercial Conditions V
IL
V
Max,V
Input Buffer
Output Buffer
Clock-to-Q for the I/O input register
Clock-to-Q for the IO output register and the I/O
enable register
Data Input Set-Up
Enable Input Set-Up
Data Input Hold
Enable Input Hold
Clock Pulse Width High to Low
Clock Pulse Width Low to High
Asynchronous Pulse Width
Asynchronous Recovery Time
Asynchronous Removal Time
Asynchronous Clear-to-Q
Asynchronous Preset-to-Q
REF
-0.2
trip
Input High (V)
V
V
Min,V
REF
Description
REF
+0.2
+0.75
V
IH
Max,V
Test Point
CCA
Measuring Point* (V)
3.6
= 1.425V, V
v2.7
V
REF
25
CCI
V
Min.
Max,V
0.43
0.45
0.43
V
REF
'–2' Speed
V
TT
= 2.3V, T
25
OL
30 pF
-0.8
Max.
1.93
2.43
0.67
0.67
0.23
0.26
0.00
0.00
0.10
0.00
0.23
0.23
J
= 70°C
V
REF
Min.
0.48
0.51
0.48
V
'–1' Speed
1.25
Min,V
(typ) (V)
REF
V
OH
+0.8
Max.
2.20
2.76
0.77
0.77
0.27
0.30
0.00
0.00
0.10
0.00
0.27
0.27
Min.
'Std' Speed
0.57
0.60
0.57
15.2
mA
I
OL
C
load
Max.
2.59
3.25
0.90
0.90
0.31
0.35
0.00
0.00
0.10
0.00
0.31
0.31
30
(pF)
-15.2
mA
I
OH
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns