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T3444 - Toshiba
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Toshiba T3444
no photo (ic).svg
Manufacturer Toshiba
Model Number T3444
Part Number T3444
Introduction 1976 (launch)
General information
Family T3400
Clock 100 kHz-800 kHz
Microarchitecture T3400
Technology nMOS
Word size 4 bit
0.5 octets
1 nibbles
Op. Temp 0 °C – 80 °C
Supply VDD 5 V
Supply VSS 0 V
RAM 16 B
1.6e-5 MB
0.016 kB
128 b
1.6e-8 GB
(16x8 bit)
ROM 768 B
7.68e-4 MB
0.768 kB
6,144 b
7.68e-7 GB
(256x24 bit)
Pins 40
Package DIP40 (DIP)

The Toshiba T3444 was a 4-bit microcontroller designed by Toshiba during the late 1970s. The microprocessor uses nMOS technology and was primarily used in very low-end controllers.

The T3444M microprocessor was embedded into the Sharp MZ-80K floppy disk controller. Service manual at

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See Also[edit]

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Facts about "T3444 - Toshiba"
familyT3400 +
first launched1976 +
full page nametoshiba/t3400/t3444 +
instance ofmicrocontroller +
manufacturerToshiba +
max operating temperature80 °C +
microarchitectureT3400 +
min operating temperature0 °C +
model numberT3444 +
nameToshiba T3444 +
packageDIP40 +
part numberT3444 +
pin count40 +
ram1.6e-5 MB (0.016 kB, 16 B, 128 b, 1.6e-8 GB) +
ram breakdown16x8 bit +
rom7.68e-4 MB (0.768 kB, 768 B, 6,144 b, 7.68e-7 GB) +
rom breakdown256x24 bit +
technologynMOS +
word size4 bit (0.5 octets, 1 nibbles) +