
PSD9XX Family
PSD935G2
74
AC Symbols for PLD Timing.
Example:
t
AVLX
– Time from Address Valid to ALE Invalid.
Signal Letters
A
– Address Input
C
– CEout Output
D
– Input Data
E
– E Input
L
– ALE Input
N
– Reset Input or Output
P
– Port Signal Output
Q
– Output Data
R
– WR, UDS, LDS, DS, IORD, PSEN Inputs
S
– Chip Select Input
T –
R/W Input
W –
Internal PDN Signal
B –
Vstby Output
Signal Behavior
t
– Time
L
– Logic Level Low or ALE
H
– Logic Level High
V
– Valid
X
– No Longer a Valid Logic Level
Z
– Float
PW
– Pulse Width
Microcontroller
Interface –
PSD935G2
AC/DC
Parameters
(3.0 V to 3.6 V
Versions)