psd813f3 STMicroelectronics, psd813f3 Datasheet - Page 89
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psd813f3
Manufacturer Part Number
psd813f3
Description
Flash In-system Programmable Isp Peripherals For 8-bit Mcus
Manufacturer
STMicroelectronics
Datasheet
1.PSD813F3.pdf
(110 pages)
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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
PSD813F2, PSD833F2, PSD834F2, PSD853F2, PSD854F2
(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
35
150
150
35
50
40
30
12
14
45
20
52
0
0
-20
40
200
200
40
55
45
Turbo
+ 20
Off
89/110
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns