psd813f1a STMicroelectronics, psd813f1a Datasheet - Page 89

• Manufacturer Part Number: psd813f1a
• Description: Flash In-system Programmable Isp Peripherals For 8-bit Mcus, 5 V
• Manufacturer: STMicroelectronics

Table 55. READ Timing (5V 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.
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.
6. In Turbo Off mode, add 10ns to t
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
AVQV
.
Conditions
(Notes
(Note
(Note
(Note
(Note
(Note
(Note
(Note
(Note
3,6
3
3
5
2
1
1
1
4
)
)
)
)
)
)
)
)
)
Min Max Min Max Min Max
20
32
32
10
6
8
0
0
-90
100
90
32
38
25
25
22
35
36
13
8
9
0
0
-12
120
135
35
42
35
28
28
10
11
38
38
18
0
0
-15
150
150
40
45
38
32
PSD813F1A
Turbo
+ 10
Off
89/111
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns