EX256-CS100A ACTEL [Actel Corporation], EX256-CS100A Datasheet - Page 23

• Manufacturer Part Number: EX256-CS100A
• Description: eX Family FPGAs
• Manufacturer: ACTEL [Actel Corporation]

Output Buffer Delays
Table 1-13 • Output Buffer Delays
AC Test Loads
Figure 1-15 • AC Test Loads
To the output
under test
In
Out
V
propagation delay)
OL
(used to measure
t DLH
50%
Load 1
V
CC
1.5 V
V
50%
OH
35 pF
t DHL
GND
1.5 V
To the output
under test
(Used to measure enable delays)
Out
En
D
TRIBUFF
t ENZL
V
V
50%
CC
CC
Load 2
V
CC
E
1.5 V
50%
R to V
R to GND for t PHZ
R = 1 kΩ
V
v4.3
GND
OL
35 pF
t ENLZ
CC
PAD
for t PZL
GND
T o AC test loads (shown below)
10%
En
GND
Out
To the output
under test
(Used to measure disable delays)
t ENZH
50%
V
CC
V
1.5 V
CC
50%
Load 3
V
OH
R to V
R to GND for t PHZ
R = 1 kΩ
t ENHZ
GND
5 pF
CC
eX Family FPGAs
90%
for t PLZ
GND
1-19