參數(shù)資料
型號: PSD854F2A-90UT
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 256K X 8 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQFP64
封裝: ROHS COMPLIANT, TQFP-64
文件頁數(shù): 10/128頁
文件大?。?/td> 1045K
代理商: PSD854F2A-90UT
PSD8XXFX
AC/DC parameters
Doc ID 7833 Rev 7
107/128
tTHEH
R/W setup time to Enable
6
10
18
ns
tELTL
R/W hold time After Enable
0
ns
tAVPV
Address input valid to
Address output delay
(5)
20
25
30
ns
1.
Any input used to select an internal PSD function.
2.
RD timing has the same timing as DS, LDS, and UDS signals.
3.
RD and PSEN have the same timing.
4.
RD timing has the same timing as DS, LDS, UDS, and PSEN signals.
5.
In multiplexed mode, latched addresses generated from ADIO delay to address output on any port.
Table 56.
READ timing (5 V devices) (continued)
Symbol
Parameter
Conditions
-70
-90
-15
Turbo
off
Unit
Min Max Min Max Min
Max
Table 57.
READ timing (3 V devices)
Symbol
Parameter
Conditions
-12
-15
-20
Turbo
off
Unit
Min Max Min
Max
Min Max
tLVLX
ALE or AS pulse width
26
30
ns
tAVLX
Address setup time
(1)
910
12
ns
tLXAX
Address hold time
912
14
ns
tAVQV
Address valid to data valid
120
150
200
+ 20
ns
tSLQV
CS valid to data valid
120
150
200
ns
tRLQV
RD to data valid 8-bit bus
(2)
35
40
ns
RD or PSEN to data valid 8-bit bus,
8031, 80251
(3)
45
50
55
ns
tRHQX
RD data hold time
(4)
00
0
ns
tRLRH
RD pulse width
38
40
45
ns
tRHQZ
RD to data high-Z
38
40
45
ns
tEHEL
E pulse width
40
45
52
ns
tTHEH
R/W setup time to enable
15
18
20
ns
tELTL
R/W hold time after enable
0
ns
tAVPV
Address input valid to
address output delay
(5)
33
35
40
ns
1.
Any input used to select an internal PSD function.
2.
RD timing has the same timing as DS, LDS, and UDS signals.
3.
RD and PSEN have the same timing for 8031.
4.
RD timing has the same timing as DS, LDS, UDS, and PSEN signals.
5.
In multiplexed mode latched address generated from ADIO delay to address output on any port.
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PSD854F2V-12MI 功能描述:CPLD - 復(fù)雜可編程邏輯器件 3.0V 2M 120ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100
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PSD-8M-01 制造商:Richco 功能描述:CB SPT REST MNT NAT 8MM SPC