PALCE16V8 Datasheet, PDF (26/32 Pages) Advanced Micro Devices – EE CMOS 20-Pin Universal Programmable Array Logic

KEY TO SWITCHING WAVEFORMS
WAVEFORM
INPUTS
OUTPUTS
Must be
Steady
Will be
Steady
May
Change
from H to L
Will be
Changing
from H to L
May
Will be
Change
Changing
from L to H
Don’t Care,
Any Change
Permitted
from L to H
R _Changing,
State
FO ^Unknown
DEVICSEIGSNS ^{SWITCHING TEST CIRCUIT}
Does Not
Apply
Center
Line is High-
Impedance
“Off” State
KS000010-PAL
5V
AL ^DE _S1
E ^{G EWR}₁
US ^{N Output}
Test Point
R₂
C_L
Specification
t_PD, t_CO
t_EA
t_ER
26
S₁
Closed
Z → H: Open
Z → L: Closed
H → Z: Open
L → Z: Closed
C_L
50 pF
5 pF
16493E-8
Commercial
R₁
R₂
200 Ω
390 Ω
H-5: 200 Ω
Measured Output Value
1.5 V
1.5 V
H → Z: V_OH – 0.5 V
L → Z: V_OL + 0.5 V
PALCE16V8 and PALCE16V8Z Families