PSD954F3-15JIT データシートの表示（PDF） - STMicroelectronics
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PSD954F3-15JIT Datasheet PDF : 110 Pages
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PSD813F2, PSD833F2, PSD834F2, PSD853F2, PSD854F2
DC AND AC PARAMETERS
This section summarizes the operating and mea-
surement conditions, and the DC and AC charac-
teristics of the device. The parameters in the DC
and AC Characteristic tables that follow are de-
rived from tests performed under the Measure-
ment Conditions summarized in the relevant
tables. Designers should check that the operating
conditions in their circuit match the measurement
conditions when relying on the quoted parame-
ters.
Table 39. Operating Conditions (5V devices)
Symbol
Parameter
VCC
Supply Voltage
Ambient Operating Temperature (industrial)
TA
Ambient Operating Temperature (commercial)
Min.
Max.
Unit
4.5
5.5
V
–40
85
°C
0
70
°C
Table 40. Operating Conditions (3V devices)
Symbol
Parameter
VCC
Supply Voltage
Ambient Operating Temperature (industrial)
TA
Ambient Operating Temperature (commercial)
Min.
Max.
Unit
3.0
3.6
V
–40
85
°C
0
70
°C
Table 41. AC Signal Letters for PLD Timing
A
Address Input
C
CEout Output
D
Input Data
E
E Input
G
Internal WDOG_ON signal
I
Interrupt Input
L
ALE Input
N
RESET Input or Output
P
Port Signal Output
Table 42. AC Signal Behavior Symbols for PLD
Timing
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
Note: Example: tAVLX = Time from Address Valid to ALE Invalid.
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
M
Output Macrocell
Note: Example: tAVLX = Time from Address Valid to ALE Invalid.
Table 43. AC Measurement Conditions
Symbol
Parameter
Min.
Max.
Unit
CL
Load Capacitance
30
pF
Note: 1. Output Hi-Z is defined as the point where data out is no longer driven.
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