參數(shù)資料
型號: MB90F474LPF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 12 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 10/118頁
文件大?。?/td> 1199K
代理商: MB90F474LPF
MB90470 Series
107
(16) Chip Select Output Timing
(VCC
= 2.7 V to 3.6 V, VSS = 0.0 V, TA = 40 °C to +85 °C)
Notes :
tCP : See (1) Clock Timing Ratings.
VCC = VCC3 = VCC5
Note : The chip select output signal changes at the same time due to the structure of the internal bus, leading to
the possibility of a bus fight. AC warranty does not apply between ALE output signals and chip select output
signals.
Parameter
Sym-
bol
Pin name
Condi-
tions
Value
Unit
Remarks
Min
Max
Chip select output valid time
→ RD ↓
tSVRL
CS0 to CS3,
RD
tCP
/ 2 10
ns
Chip select output valid time
→ WR ↓
tSVWL
CS0 to CS3,
WRH, WRL
tCP
/ 2 10
ns
RD
↑ →
chip select output valid time
tRHSV
RD,
CS0 to CS3
tCP
/ 2 20
ns
WR
↑ →
chip select output valid time
tWHSV
WRH, WRL,
CS0 to CS3
tCP
/ 2 20
ns
tSVRL
tSVWL
tWHSV
Read data
Write data
Un-
defined
tRHSV
0.8 V
2.4 V
0.8 V
RD
A23 to A16,
CS0 to CS3
D15 to D00
WRH, WRL
D15 to D00
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