DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Texas Instruments TI-83 Plus
| Date of introduction: | June 2003 | Display technology: | LCD dot matrix |
| New price: | Display size: | 8 * 16 characters | |
| Size: | 7.2" x 3.2" x 0.80" 182 x 81 x 20 mm3 |
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| Weight: | 6.4 ounces, 182 grams | Serial No: | 2382233524 |
| Batteries: | 4*AAA + CR1620 (35mA) | Date of manufacture: | mth 04 year 2003 (D) |
| AC-Adapter: | Origin of manufacture: | China (S) | |
| Precision: | 14 | Integrated circuits: | ASIC: Inventec
6SI837 Flash: MX29LV400 Display: Toshiba T6A04A |
| Memories: | |||
| Program steps: | 24k Bytes, 160k Bytes Flash ROM | Courtesy of: | Joerg Woerner |
Texas
Instruments introduced the original TI-83 Plus
already in 1999 as the successor of the TI-83. It was an
immediate success on the market and it was for a long time frame the best selling graphing calculator in the
US
and Canada. Texas Instruments reported more than 2,000,000 shipped units in 2000!
Glitter-packed and translucent, this is how Texas Instruments described the wonderful TI-83 Plus Silver Edition in its press release dated June 19, 2001. It took a few weeks and the basic TI-83 Plus was available more or less every year for the Back-to-School campaign in new colors:
BTS 2001: Retailer
Target introduces the TI-83 Plus Cool
Blue. This nice looking calculator
was available in Australia, too.
BTS 2002: Retailer
Target introduces the TI-83
Plus Ultra
Violet.
BTS 2003: Retailer Target introduces this TI-83 Plus
Blue.
BTS 2004: Retailer Staples introduces the
TI-83
Plus Lime Green and the TI-83
Plus Blue.
BTS 2006: Texas Instruments surprised
the French market in 2006 with a translucent
TI-83
Plus Cool Blue.
BTS 2007: New design of the
TI-83
Plus Cool Blue and TI France introduces the strange
looking TI-83 Plus Pink.
Comparing
this TI-83 Plus manufactured in 2003 with the original design reveals a lot
of internal differences.
The original design of the TI-83 Plus made
use of 5 main Integrated Circuits:
Zilog Z84C00 microprocessor
TI REF 9815455 ASIC
512k Bytes Flash ROM
32k Bytes Static RAM
Toshiba T6A04: Single-chip 64*120 pixel display driver
The new designed printed circuit boards
(PCBs) needs just 3 main Integrated Circuits:
ASIC: Z80 microprocessor, RAM and
supporting logic
The
picture on the right gives an enhanced view of the ASIC "Inventec
6SI837"
that clocks the Z80
microprocessor with 6 MHz and incorporates the 32k Bytes RAM and some supporting
logic. Learn more about the
Hardware Architecture of TIs Graphing Calculators.
A
component not easily detected on the printed circuit board (PCB) of the TI-83
Plus is the driver circuit of the LC-Display. It is just a bare Toshiba T6A04A
chip mounted on
a flexible piece of circuit board attached between the display and the main PCB.
A serial port of the calculators allows the connection to the
Calculator-Based Laboratory system CBL, its successor CBL
2, the Calculator-Based Ranger CBR and its successor CBR
2. Texas Instruments announced June
2002 an optional full-sized QWERTY Keyboard for a
more convenient entry of notes into the handhelds.
ROM-Versions:
1.15 (August 26, 2002)
You can check the ROM version of your TI-83
Plus using the following key sequence and reading the number on your screen:
