A54SX16-1CG256 ACTEL [Actel Corporation], A54SX16-1CG256 Datasheet - Page 22

• Manufacturer Part Number: A54SX16-1CG256
• Description: SX Family FPGAs RadTolerant and HiRel
• Manufacturer: ACTEL [Actel Corporation]

Figure 1-13 • Output Buffer Delays
Figure 1-14 • AC Test Loads
Figure 1-15 • Input Buffer Delays
1 -1 8
SX Family FPGAs RadTolerant and HiRel
In
Out
GND
In
Out
V
PAD
OL
1.5 V
t INY
t DLH
50%
3 V
To the Output
Under Test
V
1.5 V
INBUF
V
50%
CC
C C
1.5 V
50%
V
(Used to measure
propagation delay)
OH
t INY
t DHL
Load 1
0 V
Y
50%
GND
1.5 V
50 pF
En
Out
D
TRIBUFF
t ENZL
50%
V
CC
V
E
CC
1.5 V
V
To the Output
Under Test
v2.1
50%
OL
(Used to Measure rising/falling delays)
t ENLZ
Figure 1-16 • C-Cell Delays
PAD
GND
10%
To AC Test Loads (shown below)
V
CC
Load 2
S, A or B
R to V
R to GND for t PHZ / tPZL
R = 1 kΩ
GND
GND
Out
Out
En
Out
GND
50 pF
CC
for t PLZ /t PZL
t ENZH
t
50%
PD
50%
t
PD
50%
V
V
CC
V
50%
50%
CC
1.5 V
V
CC
50%
OH
t
t ENHZ
GND
PD
t
PD
S
A
B
GND
GND
50%
90%
50%
Y
V
CC