PSD913212JIT ST Microelectronics, PSD913212JIT Datasheet - Page 72

• Manufacturer Part Number: PSD913212JIT
• Description: Flash In-System Programmable ISP Peripherals For 8-bit MCUs
• Manufacturer: ST Microelectronics

Microcontroller Interface – PSD9XX AC/DC Parameters
(5V ± 10% Versions)
PSD9XX Family
Read Timing
68
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.
3. Any input used to select an internal PSD9XX 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.
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
(5 V ± 10% Versions)
Parameter
Conditions
(Note 3)
(Note 3)
(Note 3)
(Note 5)
(Note 2)
(Note 1)
(Note 1)
(Note 1)
(Note 4)
Min
15
27
27
4
7
0
6
0
-70
Max
70
75
24
31
20
20
Min
20
32
32
10
6
8
0
0
-90
Max
100
90
32
38
25
25
Min
28
10
38
11
38
18
0
0
-15
Max
Preliminary Information
150
150
40
45
30
30
Add 10
Turbo
Off
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns