For raw cross-reference numbers matching industrial part variations, search indexes like the Datasheet Archive 94V-0 Database provide alternative pin configurations for legacy instrumentation repairs.
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8-bit bidirectional data lines (DB4-DB7 used for 4-bit mode) Backlight Anode Backlight power supply (Check resistor requirement!) 16 Backlight Cathode Backlight ground connection 4. Electrical Characteristics & Operating Specifications phico d0 94v0 lcd display datasheet pdf
While specific voltage variations exist, the Phico D0 series generally follows the industry-standard HD44780 LCD controller architecture. Below are the typical specifications for the standard module found with this marking.
Likely interpretations and issues
Below is a guide on how to find the specific datasheet PDF, along with the typical technical specifications you can expect from a display bearing this identification.
If this is a Phiaco module, the full model number is likely longer, such as "PHIACO D0-xxxxxx" or similar. To find the exact PDF, check the FPC (Flexible Printed Circuit) cable or the back of the PCB for a longer alphanumeric string. If this is a Phiaco module, the full
Below is the universal technical specification for interfacing with these industry-compatible modules: Pin Number Description VSScap V sub cap S cap S end-sub Ground (0V) 2 VDDcap V sub cap D cap D end-sub Supply Voltage (+5V or +3.3V typical) 3 V0cap V sub 0 VEEcap V sub cap E cap E end-sub Contrast adjustment input (via potentiometer) 4 Register Select (Low = Instruction, High = Data) 5 Read/Write Select (Low = Write, High = Read) 6 Enable strobe signal (Falling-edge triggered) 7 Data Bus Line 0 (Not used in 4-bit mode) 8 Data Bus Line 1 (Not used in 4-bit mode) 9 Data Bus Line 2 (Not used in 4-bit mode) 10 Data Bus Line 3 (Not used in 4-bit mode) 11 Data Bus Line 4 12 Data Bus Line 5 13 Data Bus Line 6 14 Data Bus Line 7 (MSB / Busy Flag check) 15 Backlight Anode (+5V or through a current resistor) 16 Backlight Cathode (Ground)
potentiometer. Connect the other two outer legs of the potentiometer to +5V and Ground. If this is a Phiaco module
Vintage Phico LED backlights frequently require an external series resistor (typically 10 to 100 ohms) to prevent thermal runaway. Do not connect Pin 15 directly to 5V unless you confirm an onboard resistor is already present.