參數(shù)資料
型號: LC868950
文件頁數(shù): 9/20頁
文件大?。?/td> 88K
代理商: LC868950
LC868900/10/50/60
No.6709-9/20
4. AC Characteristics
at Ta= --30
°
C to +70
°
C, VSS=0V
(1) MPU Interface
1. Reading cycle
2. Writing cycle
No.
Item
Symbol
Conditions
Value
VDD [V]
4.5 to 6.0
2.5 to 4.5
4.5 to 6.0
2.5 to 4.5
4.5 to 6.0
2.5 to 4.5
4.5 to 6.0
2.5 to 4.5
4.5 to 6.0
2.5 to 4.5
4.5 to 6.0
2.5 to 4.5
4.5 to 6.0
2.5 to 4.5
4.5 to 6.0
2.5 to 4.5
4.5 to 6.0
2.5 to 4.5
4.5 to 6.0
2.5 to 4.5
4.5 to 6.0
2.5 to 4.5
4.5 to 6.0
2.5 to 4.5
min.
(500)
max.
unit
1
RD, WR cycle time
tcyc1
RD
ns
tcyc2
WR
(500)
ns
2
RD pulse width
WR pulse width
Rise / fall time
tpw1
RD
WR
RD
(220)
ns
3
tr1, tf1
(20)
ns
4
Address set-up
time
tAS1
CS, RS, RD
(40)
ns
tAS2
CS, RS, WR
(40)
ns
5
Address hold time
tAH1
CS, RS, RD
(10)
ns
tAH2
CS, RS, WR
(10)
ns
6
Data delay time
tDDR1
RD, DB0 to DB7, CL=50pF
(120)
ns
7
Data hold time
tDHR1
RD, DB0 to DB7, CL=50pF
(20)
ns
8
Data set-up time
tDSW1
WR, DB0 to DB7, CL=50pF
(60)
ns
9
Data hold time
tDHW1
WR, DB0 to DB7, CL=50pF
(10)
ns
CL=Load capacitance
RD
DB0-7
CS, RS
ILC00175
1
2
6
7
5
4
3
3
WR
DB0-7
CS, RS
ILC00176
1
2
8
9
5
4
3
3
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