PSD854F2V-90J STMicroelectronics, PSD854F2V-90J Datasheet - Page 88

• Manufacturer Part Number: PSD854F2V-90J
• Description: IC FLASH 2MBIT 90NS 52PLCC
• Manufacturer: STMicroelectronics

Specifications of PSD854F2V-90J

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-2033-5

PSD813F2V, PSD854F2V
Table 55. READ Timing (5V devices)
Note: 1. RD timing has the same timing as DS, LDS, UDS, and PSEN signals.
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t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
LVLX
AVLX
LXAX
AVQV
SLQV
RLQV
RHQX
RLRH
RHQZ
EHEL
THEH
ELTL
AVPV
2. RD and PSEN have the same timing.
3. Any input used to select an internal PSD function.
4. In multiplexed mode, latched addresses generated from ADIO delay to address output on any Port.
5. RD timing has the same timing as DS, LDS, and UDS signals.
ALE or AS Pulse Width
Address Setup Time
Address Hold Time
Address Valid to Data Valid
CS Valid to Data Valid
RD to Data Valid 8-Bit Bus
RD or PSEN to Data Valid
8-Bit Bus, 8031, 80251
RD Data Hold Time
RD Pulse Width
RD to Data High-Z
E Pulse Width
R/W Setup Time to Enable
R/W Hold Time After Enable
Address Input Valid to
Address Output Delay
Parameter
Doc ID 10552 Rev 3
Conditions
(Note
(Note
(Note
(Note
(Note
(Note
(Note
(Note
(Note
3
3
3
5
2
1
1
1
4
)
)
)
)
)
)
)
)
)
Min Max Min Max Min Max
15
27
27
4
7
0
6
0
-70
70
75
24
31
20
20
20
32
32
10
6
8
0
0
-90
100
90
32
38
25
25
28
10
11
38
38
18
0
0
-15
150
150
40
45
30
30
Turbo
+ 10
Off
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns