psd813f1a-90ut STMicroelectronics, psd813f1a-90ut Datasheet - Page 77
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psd813f1a-90ut
Manufacturer Part Number
psd813f1a-90ut
Description
Flash In-system Programmable Isp Peripherals For 8-bit Mcus
Manufacturer
STMicroelectronics
Datasheet
1.PSD813F1A-90UT.pdf
(94 pages)
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Microcontroller Interface – PSD913F1V AC/DC Parameters
(3.0 V to 3.6 V Versions)
PSD913F1
Read Timing
76
NOTES: 1. RD timing has the same timing as DS, LDS, UDS, and PSEN signals.
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
LVLX
AVLX
LXAX
AVQV
RLRH
RHQZ
EHEL
THEH
ELTL
AVPV
SLQV
RLQV
RHQX
2. RD and PSEN have the same timing for 8031.
3. Any input used to select an internal PSD913F1 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.
6. In Turbo Off mode, add 20ns to t
ALE or AS Pulse Width
Address Setup Time
Address Hold Time
Address Valid to Data Valid (Notes 3 and 6)
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 (also DS, LDS, UDS)
RD or PSEN Pulse Width (8031, 80251)
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
(3.0 V to 3.6 V Versions)
Parameter
AVQV
.
Conditions
(Note 3)
(Note 3)
(Note 5)
(Note 2)
(Note 1)
(Note 1)
(Note 4)
Min
26
10
12
40
55
45
18
0
0
-15
Max
150
150
35
50
40
35
Min
30
12
14
45
60
52
20
0
0
-20
Max
200
200
40
55
45
40
Add 20
Turbo
Off
Preliminary
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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