参数资料
型号: PSD8134V90JT
厂商: 意法半导体
英文描述: Flash In-System Programmable ISP Peripherals For 8-bit MCUs
中文描述: Flash在系统可编程ISP的外设的8位微控制器
文件页数: 89/110页
文件大小: 1685K
代理商: PSD8134V90JT
89/110
PSD813F1
Table 55. READ Timing (5V devices)
Note: 1. RD timing has the same timing as DS, LDS, UDS, and PSEN signals.
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
AVQV
.
Symbol
Parameter
Conditions
-90
-12
-15
Turbo
Off
Unit
Min
Max
Min
Max
Min
Max
t
LVLX
ALE or AS Pulse Width
20
22
28
ns
t
AVLX
Address Setup Time
(Note
3
)
6
8
10
ns
t
LXAX
Address Hold Time
(Note
3
)
8
9
11
ns
t
AVQV
Address Valid to Data Valid
(Notes
3,6
)
90
120
150
+ 10
ns
t
SLQV
CS Valid to Data Valid
100
135
150
ns
t
RLQV
RD to Data Valid 8-Bit Bus
(Note
5
)
32
35
40
ns
RD or PSEN to Data Valid
8-Bit Bus, 8031, 80251
(Note
2
)
38
42
45
ns
t
RHQX
RD Data Hold Time
(Note
1
)
0
0
0
ns
t
RLRH
RD Pulse Width
(Note
1
)
32
35
38
ns
t
RHQZ
RD to Data High-Z
(Note
1
)
25
35
38
ns
t
EHEL
E Pulse Width
32
36
38
ns
t
THEH
R/W Setup Time to Enable
10
13
18
ns
t
ELTL
R/W Hold Time After Enable
0
0
0
ns
t
AVPV
Address Input Valid to
Address Output Delay
(Note
4
)
25
28
32
ns
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