PSD854F2-90M STMicroelectronics, PSD854F2-90M Datasheet - Page 94

• Manufacturer Part Number: PSD854F2-90M
• Description: IC FLASH 2MBIT 90NS 52QFP
• Manufacturer: STMicroelectronics

Specifications of PSD854F2-90M

• 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-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2029

PSD813F2V, PSD854F2V
Figure 47. Peripheral I/O READ Timing
Table 61. Port A Peripheral Data Mode READ Timing (5V devices)
94/109
t
t
t
t
t
t
t
AVQV–PA
SLQV–PA
RLQV–PA
DVQV–PA
QXRH–PA
RLRH–PA
RHQZ–PA
Symbol
Address Valid to Data
Valid
CSI Valid to Data Valid
RD to Data Valid
RD to Data Valid 8031 Mode
Data In to Data Out Valid
RD Data Hold Time
RD Pulse Width
RD to Data High-Z
A/D BUS
ALE/AS
CSI
RD
Parameter
ADDRESS
Doc ID 10552 Rev 3
Conditions
(Notes
t SLQV (PA)
t AVQV (PA)
(Note
(Note
(Note
1,4
3
1
1
)
)
)
)
t RLQV (PA)
t RLRH (PA)
Min Max Min Max Min Max
27
0
DATA ON PORT A
-70
37
27
21
23
32
22
t DVQV (PA)
DATA VALID
32
0
-90
39
35
32
38
30
25
t QXRH (PA)
t RHQZ (PA)
38
0
-15
45
45
40
45
38
30
AI02897
Turbo
+ 10
+ 10
Off
Unit
ns
ns
ns
ns
ns
ns
ns
ns