參數(shù)資料
型號: ML66514-RB
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, 25 MHz, MICROCONTROLLER, PQFP80
封裝: 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數(shù): 11/28頁
文件大?。?/td> 203K
代理商: ML66514-RB
PEDL66517-03
1Semiconductor
ML66517 Family
19/28
AC Characteristics
(1) External program memory control
(V
DD = 4.5 to 5.5 V, Ta = –40 to +85°C)
Parameter
Symbol
Condition
Min.
Max.
Unit
Cycle time
t
cyc
f
OSC = 25 MHz
40
Clock pulse width (HIGH level)
tφWH
13
Clock pulse width (LOW level)
tφWL
13
ALE pulse width
t
AW
2t
φ – 10
PSEN pulse width
t
PW
2t
φ – 18
PSEN pulse delay time
t
PAD
t
φ – 5
Low address setup time
t
ALS
2t
φ – 15
Low address hold time
t
ALH
t
φ – 13
High address setup time
t
AHS
3t
φ – 30
High address hold time
t
AHH
–8
Instruction setup time
t
IS
30
Instruction hold time
t
IH
C
L = 50 pF
–8
t
φ – 3
ns
Note: t
φ = t
cyc/2
tcyc
tφWH
tφWL
tAW
tPAD
tPW
tALS
tALH
CPUCLK
ALE
PSEN
AD0 to AD7
A8 to A16
tIS
tAHS
tIH
tAHH
Bus timing during no wait cycle time
PC0 to 7
INST0 to 7
PC8 to 16
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