Datasheet
DEM 20485 SYH-LY-CYR22 Product Specification
Version:1 PAGE:
8
10-2-2.Read mode (Reading data from module to MPU)
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
SU
0 --- --- ns R/W, RS
R/W and RS Hold Time t
H
10 --- --- ns R/W, RS
Data output Delay Time t
D
--- --- 100 ns DB0~DB7
Data Hold Time t
DH
5 --- --- ns DB0~DB7
Valid Data
V
IL1
VIH1
tH
tAH
tAH
tPW
tAS
tDDR
tr
tC
DB0~DB7
E
R/W
RS
tr










