PSD813F1A-12J STMICROELECTRONICS [STMicroelectronics], PSD813F1A-12J Datasheet - Page 77

• Manufacturer Part Number: PSD813F1A-12J
• Description: Flash In-System Programmable (ISP) Peripherals for 8-bit MCUs, 5V
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

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-
Table 39. Operating Conditions (5V devices)
Table 40. Operating Conditions (3V devices)
Table 41. AC Signal Letters for PLD Timings
Note: Example: t
Symbol
Symbol
V
V
W
M
C
D
G
N
Q
R
A
E
P
S
T
B
L
I
T
T
CC
CC
A
A
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
V
Output Macrocell
AVLX
STBY
Supply Voltage
Ambient Operating Temperature (Industrial)
Ambient Operating Temperature (Commercial)
Supply Voltage
Ambient Operating Temperature (Industrial)
Ambient Operating Temperature (Commercial)
= Time from Address Valid to ALE Invalid.
Output
Parameter
Parameter
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 42. AC Signal Behavior Symbols for PLD
Timings
Note: Example: t
PW
H
L
V
X
Z
t
AVLX
Time
Logic Level Low or ALE
Logic Level High
Valid
No Longer a Valid Logic Level
Float
Pulse Width
Min.
Min.
–40
–40
4.5
3.0
0
0
= Time from Address Valid to ALE Invalid.
Max.
Max.
5.5
3.6
85
70
85
70
PSD813F1
Unit
Unit
°C
°C
°C
°C
V
V
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