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EC3648 - PS2 KEYBOARD CONTROLLER

Download the EC3648 datasheet PDF. This datasheet also covers the EC3648_E variant, as both devices belong to the same ps2 keyboard controller family and are provided as variant models within a single manufacturer datasheet.

Description

The EC3648 is a single chip CMOS micro-controller for keyboard application, specially for IBM PC AT and all compatible machines.

It incorporate a 8-bit’s CPU core, 5K bytes of ROM, and 128 bytes of RAM used as working RAM and stack area.

Features

  • D/AD 2E/AE 2F/AF 30/B0 31/B1 32/B2 33/B3 34/B4 35/B5 36/B6 1D/9D 38/B8 39/B9 E0 38/E0.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (EC3648_E-Cmos.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number EC3648
Manufacturer E-CMOS
File Size 235.08 KB
Description PS2 KEYBOARD CONTROLLER
Datasheet download datasheet EC3648 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.DataSheet4U.com PS2 KEYBOARD CONTROLLER EC3648 Preliminary FEATURE „ z Low cost - eliminate need external components. z Phantom key detects. z Support scan code set 1 ,2 and 3. z Support PC AT and PS/2 keyboard . z Low power CMOS device technology. z Internal pull-up resistor. z Tri-state outputs for easy board application. z Built-in 8-bit’s CPU. z 5K bytes of ROM. z 128 bytes of RAM. z Support WINDOWS TM 95, 98, 2000, ME, XP keys. z Normal operation frequency is 4 MHz. z Built-in RC type oscillator with external resister z On chip general 8 bit preload timer DESCRIPTION „ The EC3648 is a single chip CMOS micro-controller for keyboard application, specially for IBM PC AT and all compatible machines.
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