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Information - Help 
ID = 71234
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  IC - Integrated Circuit   Universal 
Identical to MK3870

Base SPECIAL TUBEBASE in general
Was used by Industrial
Filament Solid State

Aufbau/Content: IC (NMOS);
Form/Case/Outline: DIP-40 (MK3870/xx);
Application/Type: 8-Bit Microcontroller-Microcomputer - Plus 70 instruction set & binary timer;
Daten/ Vcc: 5 V; Icc: __ mA; Pd: __ mW; t op: -__...+__ °C; Clock Frequency - Max: 4 MHz; Instruction Length: 8...24; Memory Addressing Range: 64 k; Number of Addressing Modes: 5; On-Chip RAM: 0 Bytes; On-Chip ROM: 1 kB; No. of Interrupt Lines: 1; No. of Non-Maskable Interrupts: 0; No. of Maskable Interrupts: 1; No. of I/O Lines: 32; No. of I/O Ports: 4;
Manufactured by Mostek (USA)

Dimensions (WHD)
incl. pins / tip
51 x 7 x 15 mm / 2.01 x 0.28 x 0.59 inch
Weight 3 g / 0.11 oz
MK3870: Eigene Sammlung
Egon Strampe


Usage in Models 1= 1980? ; 1= 1980

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

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