This is a spec sheet for COG-BTHQ12864-04, a 128 x 64 dots STN Negative Blue Transmissive Dot Matrix LCD Module.
The BTHQ 128064AVE-EMN-06-LEDWHITE-COG is a 128 × 64 dot STN negative blue transmissive LCD module with a white LED backlight. It uses an Epson SED1565DO0B (COG) driver and supports both 8080 (default) and optional 6800 MPU interfaces.
Key mechanical dimensions are 89.7 mm × 49.8 mm × 6.0 mm (excluding FPC & gate). Electrical specifications include a 1/65 duty, 1/7 bias, and multiple DC/DC converter pins for power supply. The document also provides a full instruction set and a reference 8080 application circuit.