gal20v8b-15lr-883 Lattice Semiconductor Corp., gal20v8b-15lr-883 Datasheet - Page 3

• Manufacturer Part Number: gal20v8b-15lr-883
• Description: High Performance E2 Cmos Pld Generic Array Logic? Gal
• Manufacturer: Lattice Semiconductor Corp.

1) Refer to Switching Test Conditions section.
2) Calculated from fmax with internal feedback. Refer to fmax Descriptions section.
3) Refer to fmax Descriptions section.
*Characterized but not 100% tested.
PARAMETER
AC Switching Characteristics
Capacitance (TA = 25
SYMBOL
f
max
t
t
t
t
t
t
t
t
t
wh
dis
pd
co
cf
su
en
wl
h
C
C
2
I/O
I
3
COND
TEST
—
—
—
—
—
C
C
A
A
A
A
A
B
B
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
Input Capacitance
I/O Capacitance
PARAMETER
°
C, f = 1.0 MHz)
Over Recommended Operating Conditions
MAXIMUM*
10
10
3
Specifications GAL20V8B/883
UNITS
pF
pF
MIN. MAX.
58.8
58.8
62.5
10
—
—
—
—
—
2
1
0
8
8
-10
10
10
10
10
10
—
—
—
—
—
—
—
7
7
MIN. MAX.
41.6
41.6
12
50
10
10
—
—
—
—
—
2
1
0
V
-15
TEST CONDITIONS
V
CC
CC
15
12
12
15
15
15
15
—
—
—
—
—
—
—
= 5.0V, V
= 5.0V, V
MIN. MAX.
33.3
33.3
41.6
15
12
12
—
—
—
—
—
2
1
0
I/O
-20
I
= 2.0V
= 2.0V
20
15
15
—
—
—
—
—
—
—
20
18
20
18
UNITS
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns