PSD834F2-90J STMicroelectronics, PSD834F2-90J Datasheet - Page 76

• Manufacturer Part Number: PSD834F2-90J
• Description: IC FLASH 2MBIT 90NS 52PLCC
• Manufacturer: STMicroelectronics

Specifications of PSD834F2-90J

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2006-5

PSD813F2V, PSD854F2V
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 Timing
Note: Example: t
Table 43. AC Measurement Conditions
Note: 1. Output Hi-Z is defined as the point where data out is no longer driven.
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Symbol
Symbol
Symbol
V
V
W
G
Q
M
A
C
D
E
N
P
R
S
T
L
C
I
T
T
CC
CC
A
A
L
AVLX
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
Supply Voltage
Ambient Operating Temperature (industrial)
Ambient Operating Temperature (commercial)
Supply Voltage
Ambient Operating Temperature (industrial)
Ambient Operating Temperature (commercial)
Load Capacitance
= Time from Address Valid to ALE Invalid.
Parameter
Parameter
Parameter
Doc ID 10552 Rev 3
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
Timing
Note: Example: t
PW
H
V
X
L
Z
t
AVLX
Time
Logic Level Low or ALE
Logic Level High
Valid
No Longer a Valid Logic Level
Float
Pulse Width
Min.
Min.
Min.
–40
–40
4.5
3.0
0
0
= Time from Address Valid to ALE Invalid.
30
Max.
Max.
Max.
5.5
3.6
85
70
85
70
Unit
Unit
Unit
pF
°C
°C
°C
°C
V
V