CAPACITANCE1
Parameter
Symbol
Parameter Description
Input Capacitance
Output Capacitance
Test Conditions
Typ
5
Unit
pF
C
V = 2.0 V
IN
V = 5.0 V, T = 25 °C,
CC A
IN
C
V
= 2.0 V
f = 1 MHz
8
pF
OUT
OUT
Note:
1. These parameters are not 100% tested, but are evaluated at initial characterization and at any time the design is modified where
capacitance may be affected.
SWITCHING CHARACTERISTICS OVER COMMERCIAL AND INDUSTRIAL
OPERATING RANGES1
-10
Parameter
Symbol
2
Parameter Description
Input or Feedback to Combinatorial Output
Min
3
Max
Unit
ns
t
10
PD
t
Setup Time from Input or Feedback to Clock
Hold Time
7.5
0
ns
S
t
ns
H
t
Clock to Output
3
7.5
ns
CO
t
LOW
Clock Width
6
ns
WL
t
HIGH
6
ns
WH
External Feedback
1/(t +t )
66.7
71.4
83.3
2
MHz
MHz
MHz
ns
S
CO
Maximum Frequency
(Note 3)
f
Internal Feedback (f
)
1/(t +t ) (Note 4)
S CF
MAX
CNT
No Feedback
1/(t +t )
WH WL
t
OE to Output Enable
OE to Output Disable
10
10
10
10
PZX
t
2
ns
PXZ
t
Input to Output Enable Using Product Term Control
Input to Output Disable Using Product Term Control
3
ns
EA
t
3
ns
ER
Notes:
1. See “Switching Test Circuit” for test conditions.
2. Output delay minimums for t , t , t , t , t , and t are defined under best case conditions. Future process improvements
PD CO PZX PXZ EA
ER
may alter these values; therefore, minimum values are recommended for simulation purposes only.
3. These parameters are not 100% tested, but are calculated at initial characterization and at any time the design is modified where
frequency may be affected.
4. t is a calculated value and is not guaranteed. t can be found using the following equation:
CF
CF
t
= 1/f
(internal feedback) – t .
CF
MAX S
14
PALCE16V8H-10 (Com’l, Ind)
LATTICE [ LATTICE SEMICONDUCTOR ]
