gal16lv8 Lattice Semiconductor Corp., gal16lv8 Datasheet - Page 13

• Manufacturer Part Number: gal16lv8
• Description: Gal Data Sheets Low Voltage E2 Cmos Pld Generic Array Logic?
• Manufacturer: Lattice Semiconductor Corp.

1) Refer to Switching Test Conditions section.
2) Minimum values for tpd and tco are not 100% tested but established by characterization.
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
max
t
t
t
t
t
t
pd
co
t
wh
dis
cf
su
en
wl
h
C
C
3
2
2
I/O
I
4
COND
TEST
—
—
—
—
—
A
A
A
A
A
B
B
C
C
1
.
A
= 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
Over Recommended Operating Conditions (Unless Otherwise Specified)
DESCRIPTION
Input Capacitance
I/O Capacitance
PARAMETER
TYPICAL
8
8
13
Specifications GAL16LV8C
UNITS
pF
pF
90.9
MIN. MAX.
100
100
—
—
—
—
—
1
1
6
0
5
5
COM
-7
7.5
—
—
—
—
—
—
—
5
4
9
6
9
6
MIN. MAX.
71.4
83.3
83.3
—
—
—
—
—
1
1
7
0
6
6
COM
TEST CONDITIONS
V
-10
V
CC
CC
10
10
10
—
—
—
—
—
—
—
= 3.3V, V
7
5
8
8
= 3.3V, V
45.5
62.5
MIN. MAX.
12
50
—
—
—
—
—
1
1
0
8
8
COM
-15
I/O
I
= 0V
= 0V
15
10
15
15
15
15
—
—
—
—
—
—
—
8
UNITS
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns