CH450

LED drive and keyboard controller

CH450 Features

* Set display current drive layer internal, the segment current is no less than 15mA, the word current is no less than 80mA.

* Dynamically display scan control, directly drive six bits numeric LEDs or forty eight LEDs.

* Set forty eight keys keyboard controller internal, basic on 8×6 mat

CH450 General Description

Positive power, the persistent current is no less than 100mA Public ground, the persistent current is no less than 100mA Segment drive of numeric LEDs, high-level active, keyboard scan input, high-level active, with pull-down resistor Word drive of numeric LEDs, low-level active, keyboard scan outpu.

CH450 Datasheet (227.66 KB)

CH450 Datasheet Preview — Preview of CH450 PDF

Datasheet Details

Part number:

CH450

Manufacturer:

ETC

File Size:

227.66 KB

Description:

Led drive and keyboard controller.
w w w . D a t a S h e e t . c o . k r The DataSheet of CH450 (the first) 1 LED drive and keyboard control chip CH450 English DataSheet Version:1C h.

📁 Related Datasheet

CH450FPT SCHOTTKY BARRIER DIODE (Chenmko Enterprise)

CH452 Digital tube driver and keyboard controller (ETC)

CH455 LED drive and keyboard control chip (ETC)

CH402 COOLING CONTROLLER (ETC)

CH402DPT SCHOTTKY BARRIER DIODE (Chenmko Enterprise)

CH402H-40PT SCHOTTKY BARRIER DIODE (Chenmko Enterprise)

CH402N1PT SCHOTTKY BARRIER DIODE (Chenmko Enterprise)

CH403 COOLING CONTROLLER (ETC)

CH4036 Power Transistors (RCA)

CH4037 Power Transistors (RCA)

TAGS

CH450 LED drive and keyboard controller ETC

Image Gallery

CH450 Features

CH450 General Description

Datasheet Details

File Size:

Description:

CH450 Distributor