A54SX08A-PQG208I Microsemi, A54SX08A-PQG208I Datasheet - Page 26

• Manufacturer Part Number: A54SX08A-PQG208I
• Description: Ic Fpga Sx 12k Gates 208-Pqfp
• Manufacturer: Microsemi

Table 2-10 • AC Specifications (3.3 V PCI Operation)
2 -6
Symbol
I
I
I
I
slew
slew
Notes:
1. Refer to the V/I curves in
2. Maximum current requirements must be met as drivers pull beyond the last step voltage. Equations defining these maximums (C
3. This parameter is to be interpreted as the cumulative edge rate across the specified range, rather than the instantaneous rate at any
OH(AC)
OL(AC)
CL
CH
SX-A Family FPGAs
of that specified here; i.e., half size output drivers may be used on these signals. This specification does not apply to CLK and RST#,
which are system outputs. “Switching Current High” specifications are not relevant to SERR#, INTA#, INTB#, INTC#, and INTD#,
which are open drain outputs.
and D) are provided with the respective diagrams in
design. In order to facilitate component testing, a maximum current test point is defined for each side of the output driver.
point within the transition range. The specified load (diagram below) is optional; i.e., the designer may elect to meet this parameter
with an unloaded output per the latest revision of the PCI Local Bus Specification. However, adherence to both maximum and
minimum parameters is required (the maximum is no longer simply a guideline). Rise slew rate does not apply to open drain
outputs.
R
F
Parameter
Switching Current High
(Test Point)
Switching Current Low
(Test Point)
Low Clamp Current
High Clamp Current
Output Rise Slew Rate
Output Fall Slew Rate
Figure 2-2 on page
Condition
0 < V
0.3V
0.7V
V
V
0.6V
0.18V
V
–3 < V
V
0.2V
0.6V
OUT
CCI
OUT
CCI
2-7. Switching current characteristics for REQ# and GNT# are permitted to be one half
CCI
CCI
CCI
CCI
CCI
> V
+ 4 > V
OUT
= 0.7V
= 0.18V
CCI
IN
Output
Buffer
Output
Buffer
≤ V
< V
> V
- 0.6V
- 0.2V
OUT
≤ –1
≤ 0.3V
> V
OUT
OUT
OUT
1 k/25 Ω
CC
IN
≥ 0.6V
OUT
Figure 2-2 on page
Pin
CC
Pin
CCI
CCI
≥ V
2
< 0.9V
< V
> 0.1V
CCI
2
> 0
load
load
CCI
CCI
CCI
1
v5.3
1, 2
+ 1
10 pF
CCI
CCI
1
3
3
1, 2
1/2 in. max.
1
1
10 pF
1 k/25 Ω
2-7. The equation defined maximum should be met by
25 + (V
–25 + (V
(–17.1(V
IN
(26.7V
–12V
– V
16V
Min.
IN
CCI
–
–
–
–
1
1
CCI
+ 1)/0.015
CCI
CCI
OUT
– V
– 1)/0.015
)
OUT
))
EQ 2-3 on
EQ 2-4 on
page 2-7
page 2-7
–32V
38V
Max.
–
–
–
–
–
–
4
4
CCI
CCI
Units
V/ns
V/ns
mA
mA
mA
mA
mA
mA
mA
mA
–
–