GAL20V8B-10LJI LATTICE [Lattice Semiconductor], GAL20V8B-10LJI Datasheet - Page 14

• Manufacturer Part Number: GAL20V8B-10LJI
• Manufacturer: LATTICE [Lattice Semiconductor]

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.
PARAM.
AC Switching Characteristics
Capacitance (TA = 25
f
max
t
t
t
t
t
t
t
t
t
wh
dis
pd
en
co
cf
su
wl
SYMBOL
h
2
3
C
C
I/O
I
COND
TEST
—
—
—
—
—
C
C
A
A
A
A
A
B
B
1
.
Input or I/O to
Comb. Output
Clock to Output Delay
Clock to Feedback Delay
Setup Time, Input or Fdbk before Clk↑
Hold Time, Input or Fdbk after Clk↑
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)
8 outputs switching
1 output switching
Over Recommended Operating Conditions
MAXIMUM*
MIN.
83.3
100
100
1.5
—
—
3
2
7
0
5
5
3
2
2
COM
8
8
-7
14
MAX.
7.5
—
—
—
—
—
—
—
7
5
3
9
6
9
6
58.8
62.5
62.5
MIN.
1.5
COM / IND
10
—
—
3
2
0
8
8
3
2
2
-10
Specifications GAL20V8B
UNITS
MAX.
10
10
10
10
10
—
—
—
—
—
—
—
—
7
6
pF
pF
Specifications GAL20V8
MIN.
45.5
62.5
COM / IND
12
50
—
—
—
—
—
—
3
2
0
8
8
-15
MAX.
15
10
15
15
15
15
—
—
—
—
—
—
—
—
8
MIN.
41.6
45.4
—
—
13
50
10
10
—
—
—
—
3
2
0
V
TEST CONDITIONS
V
-20
IND
CC
CC
MAX.
= 5.0V, V
20
11
18
18
18
18
= 5.0V, V
—
—
—
—
—
—
—
—
9
MIN.
41.7
COM / IND
15
37
40
12
12
—
—
—
—
—
—
3
2
0
I/O
-25
I
= 2.0V
= 2.0V
MAX.
25
12
10
25
20
25
20
—
—
—
—
—
—
—
—
UNITS
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns