參數(shù)資料
型號: MB90F489BPFV
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 109/120頁
文件大?。?/td> 1241K
代理商: MB90F489BPFV
MB90480/485 Series
109
(16) Chip Select Output Timing
(V
CC
=
2.7 V to 3.6 V, V
SS
=
0.0 V, T
A
=
40
°
C to
+
85
°
C)
Value
* : t
CP
is internal operating clock cycle time. Refer to “ (1) Clock Timing”.
Note : Due to the configuration of the internal bus, the chip select output signals are changed simultaneously and
therefore may cause the bus conflict conditions. AC cannot be warranted between the ALE output signal
and the chip select output signal.
Parameter
Sym-
bol
Pin name
Condi-
tions
Unit
Remarks
Min
Max
Chip select output valid time
RD
Chip select output valid
time
WR
RD
↑→
chip select output valid
time
WR
↑→
chip select output
valid time
t
SVRL
CS0 to CS3,
RD
t
CP
*
/
2
7
ns
t
SVWL
CS0 to CS3,
WRH, WRL
t
CP
*
/
2
7
ns
t
RHSV
RD,
CS0 to CS3
t
CP
*
/
2
17
ns
t
WHSV
WRH, WRL,
CS0 to CS3
t
CP
*
/
2
17
ns
t
SVRL
t
SVWL
t
WHSV
t
RHSV
0.8 V
0.8 V
2.4 V
2.4 V
2.4 V
2.4 V
0.8 V
0.8 V
RD
A23 to A16
CS0 to CS3
D15 to D00
WRH, WRL
D15 to D00
Read data
Write data
Unde-
fined
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