AX500-1BG896 ACTEL [Actel Corporation], AX500-1BG896 Datasheet - Page 48

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

HSTL Class I
High-Speed Transceiver Logic is a general-purpose high-speed 1.5V bus standard (EIA/JESD8-6). The Axcelerator devices
support Class I. This requires a differential amplifier input buffer and a push-pull output buffer.
Table 2-40 • DC Input and Output Levels
AC Loadings
Figure 2-20 • AC Test Loads
Table 2-41 • AC Waveforms, Measuring Points, and Capacitive Loads
Timing Characteristics
Table 2-42 • 1.5V HSTL Class I I/O Module
2 -3 4
* Measuring Point = V
Parameter
1.5V HSTL Class I 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
V
-0.5
Worst-Case Commercial Conditions V
IL
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
Max,V
REF
-0.1
trip
Input High (V)
V
Min,V
Description
REF
V
REF
+0.1
+0.5
V
IH
Max,V
Test Point
CCA
Measuring Point* (V)
3.6
= 1.425V, V
v2.7
V
REF
CCI
Min.
0.43
0.45
0.43
Max,V
'–2' Speed
V
V
0.4
TT
= 1.425V, T
50
OL
20 pF
Max.
1.84
4.93
0.67
0.67
0.23
0.26
0.00
0.00
0.10
0.00
0.23
0.23
J
V
= 70°C
REF
Min.
0.48
0.51
0.48
'–1' Speed
V
0.75
Min,V
(typ) (V)
CC
V
OH
-0.4
Max.
2.10
5.62
0.77
0.77
0.27
0.30
0.00
0.00
0.10
0.00
0.27
0.27
Min.
0.57
0.60
0.57
'Std' Speed
mA
I
OL
8
C
load
Max.
2.47
6.61
0.90
0.90
0.31
0.35
0.00
0.00
0.10
0.00
0.31
0.31
20
(pF)
mA
I
OH
-8
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns