PAL16R6 AMD [Advanced Micro Devices], PAL16R6 Datasheet - Page 27

• Manufacturer Part Number: PAL16R6
• Description: 20-Pin TTL Programmable Array Logic
• Manufacturer: AMD [Advanced Micro Devices]

KEY TO SWITCHING WAVEFORMS
SWITCHING TEST CIRCUIT
Specification
t
t
t
PZX
PXZ
PD
, t
, t
, t
CO
ER
EA
S
Closed
Z
Z
H
L
1
Z: Closed
H: Open
L: Closed
Z: Open
WAVEFORM
Output
50 pF
5 pF
C
L
PAL16R8 Family
5 V
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
All but B-4:
S
R
R
200
800
1
1
2
B-4:
R
1
Commercial
C
L
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
KS000010-PAL
Test Point
All but B-4:
16492D-18
1.56 k
390
B-4:
R
2
H
L
Output Value
Measured
Z: V
Z: V
1.5 V
1.5 V
OL
OH
+ 0.5 V
– 0.5 V
AMD
2-29