gal20v8zd-15qp Lattice Semiconductor Corp., gal20v8zd-15qp Datasheet - Page 12

• Manufacturer Part Number: gal20v8zd-15qp
• Description: Zero Power E2cmos Pld Gal
• Manufacturer: Lattice Semiconductor Corp.

1) Refer to Switching Test Conditions section.
2) Calculated from fmax with internal feedback. Refer to fmax Specification section.
3) Refer to fmax Specification section.
PARAMETER
AC Switching Characteristics
f
max
t
t
t
t
t
t
t
t
t
wh
dis
pd
cf
en
co
su
wl
h
2
3
COND
TEST
—
—
—
—
—
A
A
A
A
A
B
B
C
C
1
.
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
Over Recommended Operating Conditions
12
Specifications GAL20V8ZD
Specifications GAL20V8Z
62.5
83.3
10
55
MIN. MAX.
—
—
—
—
—
3
2
0
6
6
COM
-12
12
12
12
15
12
—
—
—
—
—
—
—
8
6
GAL20V8ZD
45.5
62.5
MIN. MAX.
15
40
—
—
—
—
—
3
2
0
8
8
COM
-15
15
10
15
15
15
15
—
—
—
—
—
—
—
7
UNITS
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns