PALCE20V8H-25PC/4 Lattice Semiconductor, PALCE20V8H-25PC/4 Datasheet - Page 18

• Manufacturer Part Number: PALCE20V8H-25PC/4
• Description: EE CMOS 24-Pin Universal Programmable Array Logic
• Manufacturer: Lattice Semiconductor

SWITCHING WAVEFORMS
Notes:
1. V T = 1.5 V
2. Input pulse amplitude 0 V to 3.0 V.
3. Input rise and fall times 2 ns to 5 ns typical.
18
Combinatorial
Clock
Feedback
Input or
Output
a. Combinatorial output
c. Clock width
t
WH
V
T
Output
t
PD
OE
t
WL
e. OE to output disable/enable
16491E-7
16491E-5
V
T
V
PALCE20V8 Family
T
t
PXZ
V
V
Registered
OH
OL
Feedback
Output
Input or
– 0.5V
+ 0.5V
Input
Output
Clock
d. Input to output disable/enable
V
T
t
PZX
b. Registered output
V T
t
ER
t
V
V
S
OH
OL
+ 0.5V
– 0.5V
V
T
t
V
CO
T
16491E-8
t
16491E-9
H
V
16491E-6
t
T
EA
V
T
V
T