Datasheet

DEM 08172 SYH-PY Product Specification
Version: 5.1.4 PAGE: 9
9. ELECTRICAL CHARACTERISTICS
9-1 DC Characteristics
Symbol Characteristics Test Condition Min. Typ. Max. Unit
V
DD
Operating Voltage - 4.7 5.0 5.3 V
V
LCD
LCD Voltage V
DD
-V5 4.2 4.5 4.8 V
I
DD
Power Supply Current
f
OSC
= 270KHz
VCC=5.0V
-- 0.2 0.5 mA
9-2 AC Characteristics
Symbol Characteristics Test Condition Min. Typ. Max. Unit
Internal Clock Operation
fOSC OSC Frequency R = 91KΩ 190 270 350 KHz
External Clock Operation
fEX External Frequency - 125 270 410 KHz
Duty Cycle - 45 50 55 %
TR,TF Rise/Fall Time - - - 0.2 µs
Write Mode (Writing data from MPU to ST7066U)
TC Enable Cycle Time Pin E 1200 - - ns
TPW Enable Pulse Width Pin E 140 - - ns
TR,TF Enable Rise/Fall Time Pin E - - 25 ns
TAS Address Setup Time Pins: RS,RW,E 0 - - ns
TAH Address Hold Time Pins: RS,RW,E 10 - - ns
TDSW Data Setup Time Pins: DB0 - DB7 40 - - ns
TH Data Hold Time Pins: DB0 - DB7 10 - - ns
Read Mode (Reading Data from ST7066U to MPU)
TC Enable Cycle Time Pin E 1200 - - ns
TPW Enable Pulse Width Pin E 140 - - ns
TR,TF Enable Rise/Fall Time Pin E - - 25 ns
TAS Address Setup Time Pins: RS,RW,E 0 - - ns
TAH Address Hold Time Pins: RS,RW,E 10 - - ns
TDDR Data Setup Time Pins: DB0 - DB7 - - 100 ns
TH Data Hold Time Pins: DB0 - DB7 10 - - ns