Datasheet
DEM 40271 FGH-PW Product Specification
Version: 3 PAGE: 8
9-2 AC Characteristics (V
DD
=4.5V~5.5V, Ta=-20~+70°C)
9-2-1. Write mode (writing data from MPU to Module)
Characteristic Symbol
Min Typ Max Unit Test PIN
E Cycle Time t
C
1200
ns E
E Rise Time t
R
25 ns E
E Fall Time t
F
25 ns E
E Pulse width (High, Low) t
W
140
ns E
R/W and RS Set-up Time t
SU1
0
ns R/W, RS
R/W and RS Hold Time t
H1
10
ns R/W, RS
Data Set-up Time t
SU2
40
ns DB0~DB7
Data Hold Time t
H2
10
ns DB0~DB7
RS
R/W
E
DB0~DB7
tC
tDSW
tAS
tPW
tAH
tH
VIH1
VIL1
VIL1
Valid Data
tr
tAH
tr