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CH455

Information - Help 
ID = 74232
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  IC - Integrated Circuit 
Identical to CH455

Base Wires
Description

Aufbau/internal: IC (CMOS ?);
Form/Case/Outline: DIP-18 (CH455K) | SOP-18 (CH455H) | SOP-16 (CH455G);
Type/Application: LED Display Drive & Keyboard Scan Control;
Daten/electr.data: Vcc: 2.7 ... 5.0 V; Icc 80 mA; Pd: __ mW; t op: -40...+85 °C.
Manufactured by WCH Electronics Co., Ltd., Cardiff (GB);
-

 
Dimensions (WHD)
incl. pins / tip
23 x 7 x 8 mm / 0.91 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz
Information source -- Original-techn. papers.   

ch455_umgeb1.png
CH455: WCH
Günther Stabe † 19.8.20

ch455_s.png CH455: WCH
Günther Stabe † 19.8.20

Usage in Models 1= 2012?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
ch455.jpg

 

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