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PSD813F2 Datasheet(PDF) 106 Page - STMicroelectronics

Part # PSD813F2
Description  Flash in-system programmable (ISP) peripherals
PDF  128 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PSD813F2 Datasheet(HTML) 106 Page - STMicroelectronics

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AC/DC parameters
PSD8XXFX
106/128
Doc ID 7833 Rev 7
Figure 44.
READ timing
1.
tAVLX and tLXAX are not required for 80C251 in Page mode or 80C51XA in Burst mode.
tAVLX
tLXAX
1
tLVLX
tAVQV
tSLQV
tRLQV
tRHQX
tRHQZ
tELTL
tEHEL
tRLRH
tTHEH
tAVPV
ADDRESS
VALID
ADDRESS
VALID
DATA
VALID
DATA
VALID
ADDRESS OUT
ALE /AS
A/D
MULTIPLEXED
BUS
ADDRESS
NON-MULTIPLEXED
BUS
DATA
NON-MULTIPLEXED
BUS
CSI
RD
(PSEN, DS)
E
R/W
AI02895
Table 56.
READ timing (5 V devices)
Symbol
Parameter
Conditions
-70
-90
-15
Turbo
off
Unit
Min Max Min Max Min
Max
tLVLX
ALE or AS pulse width
15
20
28
ns
tAVLX
Address setup time
(1)
4
6
10
ns
tLXAX
Address hold time
(1)
7
8
11
ns
tAVQV
Address valid to data valid
(1)
70
90
150
+ 10
ns
tSLQV
CS valid to data valid
75
100
150
ns
tRLQV
RD to data valid 8-bit bus
(2)
24
32
40
ns
RD or PSEN to data valid
8-bit bus, 8031, 80251
(3)
31
38
45
ns
tRHQX
RD data hold time
(4)
00
0
ns
tRLRH
RD pulse width
(4)
27
32
38
ns
tRHQZ
RD to data high-Z
(4)
20
25
30
ns
tEHEL
E pulse width
27
32
38
ns
Obsolete
Product(s)
- Obsolete
Product(s)



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