PSD913F1-B-90JI ST Microelectronics, PSD913F1-B-90JI Datasheet - Page 71

• Manufacturer Part Number: PSD913F1-B-90JI
• Description: Flash In-System Programmable ISP Peripherals For 8-bit MCUs
• Manufacturer: ST Microelectronics

Preliminary Information
Microcontroller
AC Symbols for PLD Timing.
Example:
Signal Letters
Signal Behavior
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
t
L
H
V
X
Z
PW – Pulse Width
– Time
– Logic Level Low or ALE
– Logic Level High
– Valid
– No Longer a Valid Logic Level
– Float
t
AVLX
– Time from Address Valid to ALE Invalid.
PSD9XX Family