參數(shù)資料
型號: MSM66577-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, 30 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, TQFP-100
文件頁數(shù): 17/37頁
文件大小: 327K
代理商: MSM66577-TB
PEDL66579-03
1Semiconductor
MSM66579 Family
24/37
External data memory control
MSM66577L/579L (V
DD = 2.4 to 3.6 V, Ta = –30 to +70°C)
MSM66Q577L/Q579L (V
DD = 2.7 to 3.3 V, Ta = –30 to +70°C)
Parameter
Symbol
Condition
Min.
Max.
Unit
Cycle time
t
cyc
f
OSC = 14 MHz
71.4
Clock pulse width (HIGH level)
tφWH
28
Clock pulse width (LOW level)
tφWL
28
RD pulse width
t
RW
2 t
φ – 20
WR pulse width
t
WW
2 t
φ – 20
RD pulse delay time
t
RD
—75
WR pulse delay time
t
WD
—75
Address setup time
t
AS
t
φ – 40
Address hold time
t
AH
t
φ – 6
t
φ +6
Read data setup time
t
RS
60
Read data hold time
t
RH
0—
Read data access time
t
ACC
—3t
φ –120
Write data setup time
t
WS
2t
φ – 40
Write data hold time
t
WH
C
L = 50 pF
t
φ – 6
t
φ + 6
ns
Note: t
φ = t
cyc/2
DIN0 to 7
RAP0 to 19
t
RD
t
cyc
tφ
WH
CPUCLK
RD
A0 to A19
D0 to D7
DOUT0 to 7
RAP0 to 19
Bus timing during no wait cycle time
WR
A0 to A19
D0 to D7
tφ
WL
t
RW
t
AS
t
ACC
t
RS
t
WW
t
WD
t
AH
t
RH
t
AH
t
AS
t
WS
t
WH
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