TI computer timeline broken up into three eras:
<pre style='color: #55AAFF; background: #000000;'><u>
Computer                   years made   units sold            CPU                _</u>
TI-960 minicomputer        1970  -
TI-980 minicomputer        1970  -
TI-960A minicomputer       1971  -
TI-990/9 minicomputer      1975
TI-990/10 minicomputer     1975                               (TTL CPU)
TI-990/10A minicomputer    1975                               TSM9900  (16-bit)
Ti-990/12 minicomputer                                        (TTL CPU)  
TI-960B minicomputer       1976
TI-990/4 minicomputer      1976                               TSM9900  (16-bit)
TI-990/5 minicomputer      1976                               TSM9900  (16-bit)
__________________________________________________
TI-99/4                    1979  -  1981  [     20,000]       TSM9900  (16-bit)         <b style='color: #ff0000;'>
TI-99/4A                   1981  -  1984  [2.8 million]       TSM9900  (16-bit)         </b>
TI TM 990/189 minicomputer 1982
TI Professional Computer   1983  -  1985                      i8088    (16-bit)
TI-CC-40                   1983  -  1983                      TMS70C20 (8-bit)
TI-99/2                    1983  -  1983
TI-99/8                    1984  -        [150, not released]
TI-74                      1985   - 1989                      TMS70C46 (8-bit)
__________________________________________________
TI TravelMate 2000         1990  - 
TI TravelMate 3000         1991  -
TI TravelMate 4000         1994  -
TI-92                      1995  -  1998
TI TravelMate 4000M        1995  -  1997                      i80486 (32-bit)
TI-92 II                   1996  -  1999
TI TravelMate 4000E        1996  -                            i80486 (32-bit 486WinDX2-50 CPU)
TI-92 plus                 1998  -  2006                      Motorola MC68000
TI Voyage 200              2002  -  2014                      Motorola MC68000</pre>