Not to be confused with TMS1000.

TI TMS0100 Series
Developer	Texas Instruments
Manufacturer	Texas Instruments
Production	1971-1980
Release date	1971
Process	8 μm 8,000 nm 0.008 mm
Technology	nMOS
Package	DIP28

The TMS0100 was a family of single-chip calculators designed and manufactured by Texas Instruments in 1971.

Features

Texas Instruments announced on September 17, 1971 with the TMS1802NC the first available standard calculator building block on a chip, it was later renamed into TMS0102. The chip integrates 3,520 Bits Read-Only program Memory (ROM, 320 Words * 11 Bits), a 182-bit Serial-Access Memory (SAM, 3 Registers * 13 Digits, 2 * 13 Bit-Flags) and a decimal arithmetic logic unit as well as control, timing, and output decoders but no drivers for the display. These function blocks of the chip add up to an overall complexity of roughly 5,000 transistors.

Chips

Part	Digits	Functions	Notes
TMS0101	8	4
TMS0102	8	4	renum TMS1802
TMS0103	8	4
TMS0105	8	4
TMS0106	10	4
TMS0107	10	4
TMS0109	8	4
TMS0110	8	4
TMS0111	8	4
TMS0112	8	4
TMS0114	8	4
TMS0115	8	4
TMS0118	10	4
TMS0119	8	4
TMS0120	8+2	4
TMS0121	10	4

Family

• TMS0100 Family

Type	Calculators	Keyboard	Constant (M/D)	Digits	Fixed DP	Rounding	Special Functions	Seg./Dig. Blanking
TMS1802	Sinclair Executive, Texet I, Wireless World Desktop	[+=][−=]	1/2	8	0-7, F	5/4		None S1, S13
TMS0101	Canon Palmtronic LE-80, LE-83	[+][−][=]	1/2	8	0-7, F	Down		None S1, S13
TMS0102	Columbia II (renum TMS1802)	[+=][−=]	1/2	8	0-7, F	5/4		None S1, S13
TMS0103	Bowmar 901B, JCE Mark II, Montgomery Ward P800, P8F	[+=][−=]	1/2	8	0-7, F	5/4		None S1, S13
TMS0105	Canon L800, Privileg 2000 Panasonic JE-801A	[+=][−=]	1/2	8	0-7, F	5/4		None S1, S13
TMS0106	TI-3500 (1973), Canon L100S, Radio Shack EC-2000	[+=][−=]	1/2	10	0-9, F	3-POS		S1, S13 S1, S13
TMS0107	Bowmar 901D	[+=][−=]	1/2	10	0-9, F	3-POS		S1, S13 S1, S13
TMS0109	TI-3000, Radio Shack EC-1000 Montgomery Ward P800, D8F	[+=][−=]	1/2	8	0-7, F	5/4		S1, S13 S1, S13
TMS0110	TI-2500 (pre-series)	[+][−][=]	2/2	8	0-7, F	Down		None S1, S13
TMS0111	Minimath (prototype)	[+][−][=]	2/2	8	0-7, F	Down	Inverted Segments	None S1, S13
TMS0112	Toshiba BC-0801B, BC-802B	[+=][−=]	1/2	8	0-7, F	3-POS		None S1, S13
TMS0115	Olympia CD80, Panasonic JE-850	[+][−][=]	1/2	8	Float	None		S1, S13 S1, S13
TMS0117	BCD Coprocessor			10			BCD Output	(Note)
TMS0118		[+][−][=]	2/2	10	0-9, F	3-POS		S1, S13 S1, S13
TMS0119	TI-2500 (1972), Heathkit IC-2108	[+][−][=]	2/2	8	0-7, F	Down		None S1, S13
TMS0120	SR-10, Radio Shack EC-425, Montgomery Ward P300	[+][−][=]		8+2	Float	None	[EE] [1/x] [x2] [√x]	None
TMS0121	Olympia CD101, Panasonic JE-1001	[+][−][=]	1/2	10	0-9, F	Down, 5/4	[X<>Y]	None S1, S13
TMS0122	Olympia CD80, Panasonic JE-850	[+][−][=]	1/2	8	Float	None		S1, S13 S1, S13
TMS0123	Hunor 103	[+=][−=]	1/2	10	Float	None	[x2] [√x]	S1, S13 S1, S13
TMS0125	Canon Palmtronic LE-100	[+][−][=]		10	0-9, F	Down		S1, S13 S1, S13
TMS0126	Canon LE-80R, Casio ROOT-8S, Commodore 3101, Privileg 820, Kings Point EC-8413	[+=][−=]	1/2	8	Float	None	[x2] [√x]	None S1, S13
TMS0127	Bowmar MX-80, Canon L1000	[+=][−=]	1/2	10	0-9, F	5/4	[A/D] [%], [‰] [00]	S1, S13 S1, S13
TMS0128	Canon LE-82, JCE Percent, Montgomery Ward P8P, Western Auto M4995	[+=][−=]	1/2	8	0-7, F	5/4	[A/D] [%], [‰] [00]	S1, S13
TMS0130	Olympia CD85, Panasonic JE-860	[+][−][=]		8			[√x] [PI]
TMS0131	Olympia CD81, Panasonic JE-835, JE-855	[+][−][=]		8			Memory
TMS0132	APF Mark VII, Craig 4510, Commodore MM3MT, Hunor 88, Unico H-854	[+=] [−=]		8			Memory
TMS0135	Exactra 20, TI-2000 (1974)	[+][−][=]		6	0-5, F
TMS0137	Sears 8	[+][−][=]		8			[%]
TMC0138	Canon Pocketronic II	[+][−][=]		10			[%] (Note 2)	S1, S13 (Note 3)
TMS0719	TI-2500 (1975)	[+][−][=]	2/2	8	0-7, F	Down		None S1, S13

Related

• TMS0120 • Scientific Notation: TMS0120 could be called the first single-chip scientific calculator circuit,

it uses in the SR-10 "Slide Rule" calculator a novel approach to add to the 8-digit Mantissa in scientific

notation a 2-digit Exponent and repurposing the unused Segment H for the minus sign of the Exponent.

• TMS0600 • Larger ROM: increased ROM (384 Words * 11 Bits), identical SAM (13 Digits Registers),

external display drivers. Process shrink, higher functionality.

• TMS0700 • Die-shrink: identical ROM (320 Words * 11 Bits), identical SAM (13 Digits Registers),

external display drivers. Process shrink, identical functionality, cost reduction of IC.

• TMS0800 • Integrated segment drivers: identical ROM (320 Words * 11 Bits), reduced SAM (11 Digits Registers),

integrated segment drivers. Process shrink, reduced functionality, higher integration.

• TMS1875 • Modified leading-zero suppression: uses a modified leading-zero suppression to output "half-zeros" instead

of blanking the corresponding digits, enabling the use of early SP-700 Series planar neon gas discharge displays.

See also

• TMS1000 Series
• TMX1795

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