PALCE20V8 Advanced Micro Devices, PALCE20V8 Datasheet - Page 13

• Manufacturer Part Number: PALCE20V8
• Description: EE CMOS 24-Pin Universal Programmable Array Logic
• Manufacturer: Advanced Micro Devices

KEY TO SWITCHING WAVEFORMS
SWITCHING TEST CIRCUIT
Specification
t
t
t
PZX
PXZ
PD
, t
, t
, t
CO
EA
ER
S
Closed
Z
Z
H
L
1
Z: Closed
L: Closed
H: Open
Z: Open
WAVEFORM
Output
50 pF
5 V
5 pF
C
L
PALCE20V8 Family
Switching Test Circuit
INPUTS
Must be
Steady
May
Change
from H to L
May
Change
from L to H
Don’t Care,
Any Change
Permitted
Does Not
Apply
S
1
200
C
R
L
1
Commercial
OUTPUTS
Will be
Steady
Will be
Changing
from H to L
Will be
Changing
from L to H
Changing,
State
Unknown
Center
Line is High-
Impedance
“Off” State
R
R
KS000010-PAL
1
2
390
200
H-5:
R
2
16491D-12
H
L
Output Value
Measured
Z: V
Z: V
1.5 V
1.5 V
OH
OL
+ 0.5 V
– 0.5 V
AMD
2-177