Datasheet

DEM 16217 SYH-LY-CYR22 Product Specification
Version: 3 PAGE: 8
9. ELECTRICAL CHARACTERISTICS
9-1 DC Characteristics (V
DD
=5V,Ta=25°C)
Standard Value
Item Symbol
MIN TYP MAX
Test
Condition
Unit
Operating Voltage V
DD
4.7 5.0 5.3
-------
V
I
DD1
---- TBD 1.0
Ceramic oscillation
fosc=250kHz
Supply Current
I
DD2
---- TBD 0.6
Resistor oscillation
external clock operation
fosc=270kHz
mA
LCD Driving Voltage VLCD
4.2
4.5 4.8 VDD-V5 V
9-2 AC Characteristics
9 -2-1 Write mode (writing data from MPU to ST7066)
(VDD=5V , Ta=25°C)
Characteristic Symbol Min Type 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
PW
140 --- --- ns E
R/W and RS Set-up Time t
AS
0 --- --- ns R/W,RS,E
R/W and RS Hold Time t
AH
10 --- --- ns R/W,RS,E
Data Set-up Time t
DSW
40 --- --- ns DB0~DB7
Data Hold Time t
H
10 --- --- ns DB0~DB7
Writing data from ST7066 to MPU