參數(shù)資料
型號(hào): ML53812-2
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP176
封裝: LQFP-176
文件頁數(shù): 47/64頁
文件大?。?/td> 668K
代理商: ML53812-2
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– s ML53812-2 s
47
Oki Semiconductor
7.4 AC Electrical Characteristics
Note: Signals ending in “_N” are active low.
Microprocessor Interface Timing - Intel Bus Mode, Non-multiplexed Address [1] [2] [3]
1.
Timing measured with 100 pF load on D_[7:0].
2.
Write cycle may be controlled by CS_N or WR_N.
3.
ALE=1.
Parameter
Symbol
Min
Typ
Max
Unit
CS_N setup to WR_N
t1
40
ns
WR_N pulse width
t2
40
ns
A_[9:0] setup to WR_N
↓ (C_96=1)
t3
5
ns
A_[2:0] setup to WR_N
↑(C_96=0)
t4
40
ns
A_[9:0] hold from WR_N
t5
5
ns
D_[7:0] setup to WR_N
t6
40
ns
D_[7:0] hold from WR_N
t7
5
ns
D_[7:0] float to valid delay from CS_N RD_N, and A_[9:0]
t8
0
50
ns
D_[7:0] valid to float delay from CS_N or RD_N
t9
0
10
ns
Figure 7. Microprocessor Interface Timing - Intel Bus Mode, Non-multiplexed Address
CS_N
RD_N
WR_N
A_[9:0]
D_[7:0]
t1
t2
t4
t3
t5
t7
t6
t8
t9
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