RoHS 2002/95/EC VACUUM FLUORESCENT DISPLAY MODULE SPECIFICATION MODEL: GU256X64F-9900 SPECIFICATION NO. : DS-1529-0000-00 DATA OF ISSUE : July 03, 2008 REVESION : November 05, 2008 PUBLISHED BY NORITAKE ITRON CORP. / JAPAN This specification is subject to change without prior notice. This product complies with RoHS Directive 2002/95/EC GU256X64F-9900 1/15 1.General Description 1.1 Scope This specification covers the requirements of vacuum fluorescent graphic display module, Model:GU256X64F-9900. Applied reliability spec: TT-99-3102 Applied production spec: TT-98-3413 1.2 Construction The module consists of a graphic BD-VFD which does have the dot configuration of 64X256, a refresh RAM, a character generator, a DC/DC converter, a display controller and all necessary control logics. The module can display graphic patterns and /or characters in a screen of the VFD. 2. Absolute Maximum Ratings Parameter SymbolMin.Typ.Max. Unit Power Supply Voltage VCC 0 - 5.5 VDC Logic Input Voltage VIN 0 - Vcc+0.3 VDC 3. Electrical ratings Parameter SymbolMin.Typ.Max. Unit Power Supply Voltage VCC 4.75 5.0 5.25 VDC All driving voltage for the VFD is converted from the DC/DC converter on board. 4. Electrical Characteristics Measuring Conditions : TA (Ambient temperature) = 25degrees, VCC =5.0VDC Parameter SymbolMin. Typ.Max.UnitCondition Note VDC VIH 3.5 - Vcc - - Logic Input Voltage VDC VIL - - 1.5 - - VDC VOH 4.0 - - IOH=-2mA - Logic Output Voltage VDC VOL - - 0.4 IOL=4mA - Power Supply Current 1 ICC1 - 1.2 1.6 A (1) Power Supply Current 2 ICC2 - 0.9 1.2 A (2) Note (1),(2) ICC1 shows the cuurent at all dots in the screen are lighted and ICC2 at all dots off. At power on rush, more than 2times current of above table should be expected. Provide the quick rise type power supply (<100msec.). After power-on, data and commands cannot be received for 80msec. Please wait 80msec minimum before inputting data or commands.