Technical specifications

• CPU
  Central processing unit
  The central processing unit is the portion of a computer system that carries out the instructions of a computer program, to perform the basic arithmetical, logical, and input/output operations of the system. The CPU plays a role somewhat analogous to the brain in the computer. The term has been in...
  
  : Hitachi
  Hitachi, Ltd.
  is a Japanese multinational conglomerate headquartered in Marunouchi 1-chome, Chiyoda, Tokyo, Japan. The company is the parent of the Hitachi Group as part of the larger DKB Group companies...
  
   SC61860 (8-bit CMOS), 576 kHz clock frequency
• 4 KiB RAM (Two 2К×8 CMOS Static RAM HM6116 chips)
• 40 KiB ROM (SC613256 chip)
• Display: monochrome LCD
  Liquid crystal display
  A liquid crystal display is a flat panel display, electronic visual display, or video display that uses the light modulating properties of liquid crystals . LCs do not emit light directly....
  
   16 digits (5×7 pixel
  Pixel
  In digital imaging, a pixel, or pel, is a single point in a raster image, or the smallest addressable screen element in a display device; it is the smallest unit of picture that can be represented or controlled....
  
  ) in 1 line (Controlled by SC43536 chip)
• Integrated speaker
  Loudspeaker
  A loudspeaker is an electroacoustic transducer that produces sound in response to an electrical audio signal input. Non-electrical loudspeakers were developed as accessories to telephone systems, but electronic amplification by vacuum tube made loudspeakers more generally useful...
  
  
• Keyboard: 76 keys
• 11-pin connector for printer
  Computer printer
  In computing, a printer is a peripheral which produces a text or graphics of documents stored in electronic form, usually on physical print media such as paper or transparencies. Many printers are primarily used as local peripherals, and are attached by a printer cable or, in most new printers, a...
  
   CE-126P and floppy controller CE-140F
• Powered from two CR2032 batteries
  Battery (electricity)
  An electrical battery is one or more electrochemical cells that convert stored chemical energy into electrical energy. Since the invention of the first battery in 1800 by Alessandro Volta and especially since the technically improved Daniell cell in 1836, batteries have become a common power...
  
  , power consumption less than 0.03 W
• Size: 170×72×9.5mm, weighting around 150 grams

External links

• Sharp PC-1401 pictures on MyCalcDB (database about 70s and 80s pocket calculators)
• Sharp PC-1401