PSD854F2-90JI STMicroelectronics, PSD854F2-90JI Datasheet - Page 89
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PSD854F2-90JI
Manufacturer Part Number
PSD854F2-90JI
Description
IC FLASH 2MBIT 90NS 52PLCC
Manufacturer
STMicroelectronics
Datasheet
1.PSD813F2VA-20JI.pdf
(109 pages)
Specifications of PSD854F2-90JI
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
-40°C ~ 85°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2028-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PSD854F2-90JI
Manufacturer:
SAMSUNG
Quantity:
2 000
Company:
Part Number:
PSD854F2-90JI
Manufacturer:
STMicroelectronics
Quantity:
10 000
Part Number:
PSD854F2-90JI
Manufacturer:
ST
Quantity:
20 000
Table 56. READ Timing (3V devices)
Note: 1. RD timing has the same timing as DS, LDS, UDS, and PSEN signals.
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 for 8031.
3. Any input used to select an internal PSD function.
4. In multiplexed mode latched address 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
(Note
Conditions
(Note
(Note
(Note
(Note
(Note
(Note
(Note
4
)
3
3
3
5
2
1
1
)
)
)
)
)
)
)
Min Max Min Max Min Max
26
38
40
15
9
9
0
0
-12
33
120
120
35
45
38
26
10
12
40
45
18
0
0
-15
PSD813F2V, PSD854F2V
35
150
150
35
50
40
30
12
14
45
52
20
0
0
-20
40
200
200
40
55
45
Turbo
+ 20
Off
89/109
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns