gal20lv8 Lattice Semiconductor Corp., gal20lv8 Datasheet - Page 11
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gal20lv8
Manufacturer Part Number
gal20lv8
Description
Low Voltage E2 Cmos Pld Generic Array Logic? Gal20lv8 Gal
Manufacturer
Lattice Semiconductor Corp.
Datasheet
1.GAL20LV8.pdf
(17 pages)
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1) Refer to Switching Test Conditions section.
2) Minimum values for
3) Calculated from fmax with internal feedback. Refer to fmax Descriptions section.
4) Refer to fmax Descriptions section. Characterized but not 100% tested.
PARAMETER
AC Switching Characteristics
Capacitance (T
SYMBOL
f
t
t
t
max
t
t
t
t
t
wh
pd
t
co
wl
dis
cf
su
en
h
C
C
3
4
2
2
I/O
4
I
4
COND
TEST
—
—
—
—
—
C
C
A
A
A
A
A
B
B
1
.
A
t
pd and
= 25 C, f = 1.0 MHz)
Input or I/O to Combinational Output
Clock to Output Delay
Clock to Feedback Delay
Setup Time, Input or Feedback before Clock
Hold Time, Input or Feedback after Clock
Maximum Clock Frequency with
External Feedback, 1/(tsu + tco)
Maximum Clock Frequency with
Internal Feedback, 1/(tsu + tcf)
Maximum Clock Frequency with
No Feedback
Clock Pulse Duration, High
Clock Pulse Duration, Low
Input or I/O to Output Enabled
OE to Output Enabled
Input or I/O to Output Disabled
OE to Output Disabled
DESCRIPTION
Input Capacitance
I/O Capacitance
PARAMETER
t
co are not 100% tested but established by characterization.
Over Recommended Operating Conditions
TYPICAL
5
5
11
Specifications GAL20LV8
UNITS
pF
pF
MIN. MAX.
180
200
250
—
—
—
—
—
1
1
3
0
2
2
COM
-3
3.5
2.5
4.5
3.5
4.5
3.5
—
—
— 142.8 —
—
—
—
—
2
MIN. MAX.
166
166
—
—
—
—
—
1
1
4
0
3
3
COM
TEST CONDITIONS
V
V
-5
CC
CC
—
—
—
—
—
—
= 3.3V, V
5
3
2
6
5
6
5
= 3.3V, V
MIN. MAX.
100
125
125
—
—
—
—
—
1
1
5
0
4
4
COM
I/O
-7
I
= 0V
= 0V
7.5
7.5
6.5
7.5
6.5
—
—
—
—
—
—
—
5
3
UNITS
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns