DMC40457NY-LY Ver la hoja de datos (PDF) - Optrex Corporation
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DMC40457NY-LY Datasheet PDF : 15 Pages
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2.3.Timing Characteristics
2.3.1.AC Timing Characteristics
Parameter
Enable Cycle Time
Enable Pulse Width (High Level)
Enable Rise/Fall Time
Address Setup Time (RS, R/W to E)
Address Hold Time
Data Setup Time
Data Hold Time 1
Data Delay Time
Data Hold Time 2
Symbol Conditions Min.
tCYC
Fig.1, 2
500
PWEH
Fig.1, 2
230
tEr, tEf
Fig.1, 2
－
tAS
Fig.1, 2
40
tAH
Fig.1, 2
10
tDSW
Fig.1
80
tH
Fig.1
10
tDDR
Fig.2
－
tDHR
Fig.2
5
VCC=5.0V±10%
Max.
Units
－
ns
－
ns
20
ns
－
ns
－
ns
－
ns
－
ns
160
ns
－
ns
RS
VIH
VIL
tAS
VIH
VIL
tAH
R/W
E1, E2
VIL
VIL
PWEH
tEr
VIH
VIH
tEf
VIL
VIL
VIL
tDSW
tH
D0～D7
VIH
VIH
Valid Data
VIL
VIL
tCYC
Fig.1 Bus Write Operation Sequence
RS
VIH
VIL
tAS
VIH
VIL
tAH
R/W
VIH
VIH
PWEH
E1, E2
tEr
VIH
VIH
tEf
VIL
VIL
VIL
tDDR
tDHR
D0～D7
VOH
VOL
Valid Data
tCYC
VOH
VOL
Fig.2 Bus Read Operation Sequence
DMC40457NY-LY (AT) No.98-0160
OPTREX CORPORATION
OPTREX
Page 4/15
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