參數(shù)資料
型號: MSM66577L-TB
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 14 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, TQFP-100
文件頁數(shù): 10/37頁
文件大?。?/td> 327K
代理商: MSM66577L-TB
PEDL66579-03
1Semiconductor
MSM66579 Family
18/37
External data memory control
(V
DD = 4.5 to 5.5 V, Ta = –30 to +70°C)
Parameter
Symbol
Condition
Min.
Max.
Unit
Cycle time
t
cyc
f
OSC = 30 MHz
33.3
Clock pulse width (HIGH level)
tφWH
13
Clock pulse width (LOW level)
tφWL
13
ALE pulse width
t
AW
2 t
φ – 10
RD pulse width
t
RW
2 t
φ – 14
WR pulse width
t
WW
2 t
φ – 14
RD pulse delay time
t
RAD
t
φ – 10
t
φ +10
WR pulse delay time
t
WAD
t
φ – 10
t
φ +10
Low address setup time
t
ALS
2 t
φ – 20
2 t
φ +3
Low address hold time
t
ALH
t
φ – 10
t
φ +10
High address setup time
t
AHS
3 t
φ – 30
3 t
φ +3
High address hold time
t
AHH
t
φ – 10
t
φ +10
Read data setup time
t
RS
24
Read data hold time
t
RH
0t
φ – 3
Write data setup time
t
WS
2t
φ – 12
Write data hold time
t
WH
C
L = 50 pF
t
φ – 3
t
φ + 3
ns
Note: t
φ = t
cyc/2
DIN0 to 7
RAP8 to 19
A
t
cyc
tφ
WH
CPUCLK
RD
A8 to A19
AD0 to AD7
ALE
RAP0 to 7
DOUT0 to 7
WR
A8 to A19
AD0 to AD7
RAP0 to 7
Bus timing during no wait cycle time
RAP8 to 19
tφ
WL
t
AW
t
RAD
t
RW
t
ALS
t
ALH
t
RS
t
RH
t
AHH
t
AHS
t
WAD
t
WW
t
WH
t
WS
t
ALS
t
ALH
t
AHH
t
AHS
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