DMC50448 Datasheet, PDF (4/15 Pages) OPTEK Technologies – LCD Module Specification

2.3.AC Characteristics
Parameter
Enable Cycle Time
Enable Pulse Width
Enable Rise/Fall Time
Address Setup Time
Address Hold Time
Write Data Setup Time
Write Data Hold Time
Read Data Delay Time
Read Data Hold Time
RS
R/W
E
DB0^～DB7
RS
R/W
E
DB0^～DB7
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
tDHW
Fig.1
10
tDDR
Fig.2
－
tDHR
Fig.2
5
VIH
VIL
tAS
VIH
VIL
tAH
VDD=5.0V±10%
Max.
Units
－
ns
－
ns
20
ns
－
ns
－
ns
－
ns
－
ns
160
ns
－
ns
VIL
VIL
PWEH
tEr
tEf
VIH
VIH
VIL
VIL
VIL
tDSW
tDHW
VIH
VIH
Valid Data
VIL
VIL
tCYC
Fig.1 Write Operation Timing
VIH
VIL
tAS
VIH
VIL
tAH
VIH
VIH
PWEH
tEr
tEf
VIH
VIH
VIL
VIL
VIL
tDDR
tDHR
VOH
VOH
Valid Data
VOL
VOL
tCYC
Fig.2 Read Operation Timing
DMC-50448N (AA) No.99-0094
OPTREX CORPORATION
OPTREX
Page 4/15