GAL20V8C-5QJ Ver la hoja de datos (PDF) - Lattice Semiconductor
Número de pieza
componentes Descripción
Fabricante
GAL20V8C-5QJ Datasheet PDF : 23 Pages
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AC Switching Characteristics
Over Recommended Operating Conditions
TEST
PARAMETER COND1.
DESCRIPTION
tpd
A
Input or I/O to
Comb. Output
8 outputs switching
1 output switching
tco
A
Clock to Output Delay
tcf2
— Clock to Feedback Delay
tsu
— Setup Time, Input or Feedback before Clock↑
th
— Hold Time, Input or Feedback after Clock↑
A
Maximum Clock Frequency with
External Feedback, 1/(tsu + tco)
fmax3
A
Maximum Clock Frequency with
Internal Feedback, 1/(tsu + tcf)
A
Maximum Clock Frequency with
No Feedback
twh
— Clock Pulse Duration, High
twl
— Clock Pulse Duration, Low
ten
B
Input or I/O to Output Enabled
B
OE to Output Enabled
tdis
C
Input or I/O to Output Disabled
C
OE to Output Disabled
COM
COM
COM/IND
-5
-7
-10
UNITS
MIN. MAX. MIN. MAX. MIN. MAX.
1 5 3 7.5 3 10 ns
— — — 7 — — ns
14
—3
3—
0—
142.8 —
25 2 7
—3 — 6
5 — 7.5 —
0— 0 —
100 — 66.7 —
ns
ns
ns
ns
MHz
166 — 125 — 71.4 — MHz
166 — 125 — 83.3 — MHz
3—
3—
16
16
4 — 6 — ns
4 — 6 — ns
39
26
3 10 ns
2 10 ns
1 5 2 9 2 10 ns
1 5 1.5 6 1.5 10 ns
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 initially and after any design or process changes that may affect these
parameters.
Capacitance (TA = 25°C, f = 1.0 MHz)
SYMBOL
PARAMETER
CI
Input Capacitance
CI/O
I/O Capacitance
*Characterized but not 100% tested
MAXIMUM*
8
8
UNITS
pF
pF
TEST CONDITIONS
VCC = 5.0V, VI = 2.0V
VCC = 5.0V, VI/O = 2.0V
11
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