PSD834F2-15M STMicroelectronics, PSD834F2-15M Datasheet - Page 70

• Manufacturer Part Number: PSD834F2-15M
• Manufacturer: STMicroelectronics

Specifications of PSD834F2-15M

• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Package Type: PQFP
• Mounting: Surface Mount
• Pin Count: 52
• Lead Free Status / RoHS Status: Compliant

PSD834F2V
Table 41. AC Symbols for PLD Timing
Example: t
Invalid.
Figure 34. Switching Waveforms – Key
70/95
W
M
C
D
G
N
Q
R
A
E
L
P
S
T
I
Address Input
CEout Output
Input Data
E Input
Internal WDOG_ON signal
Interrupt Input
ALE Input
Reset Input or Output
Port Signal Output
Output Data
WR, UDS, LDS, DS, IORD, PSEN Inputs
Chip Select Input
R/W Input
Internal PDN Signal
Output Macrocell
AVLX
–
Time from Address Valid to ALE
Signal Letters
WAVEFORMS
STEADY INPUT
MAY CHANGE FROM
HI TO LO
MAY CHANGE FROM
LO TO HI
DON'T CARE
OUTPUTS ONLY
INPUTS
PW
H
V
X
Z
L
t
Time
Logic Level Low or ALE
Logic Level High
Valid
No Longer a Valid Logic Level
Float
Pulse Width
STEADY OUTPUT
WILL BE CHANGING
FROM HI TO LO
WILL BE CHANGING
LO TO HI
CHANGING, STATE
UNKNOWN
CENTER LINE IS
TRI-STATE
OUTPUTS
Signal Behavior
AI03102