TT6297/TT6298
‧AC Characteristics
VDD = 4.5~5.5V,VSS=0V,Ta= -40 ~ +85°C)
Parameter
Symbol
tCYC
fDUTY
Min. Typ
Max.
-
60
Unit
ns
%
Clock cycle
200
40
-
50
Clock duty cycle
tREL
tCSL
tWRL
tRDL
tRC
100
250
200
300
250
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
RESET pulse width
CS pulse width
WR pulse width
RD pulse width
RESET fall to CS fall
CS fall to WR fall
tCWL
tCWH
tSI
0
WR raise to CS raise
Data set up time of l0-l7 in respect to
80
WR raise
tHI
80
-
-
ns
Data hold time of l0-l7 in respect to WR
raise
tRIZO
tRIOZ
tCRL
tCRH
tAD
-
0
-
-
-
-
-
120
ns
ns
ns
ns
ns
RD fall to stable output of l0-l3
RD raise to flow status output of l0-l3
CS fall to RD fall
120
20
0
-
-
RD raise to CS raise
Address stable (A0-A23) to data input of
D0-D7
-
5•tCYC+90
07’/06/20
Page 6 of 19
Ver :1.0
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