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SN74BCT8374ADWR датащи(PDF) 2 Page - Texas Instruments |
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SN74BCT8374ADWR датащи(HTML) 2 Page - Texas Instruments |
2 / 28 page SN54BCT8374A, SN74BCT8374A SCAN TEST DEVICES WITH OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS SCBS045E – JUNE 1990 – REVISED JULY 1996 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description (continued) Four dedicated test terminals control the operation of the test circuitry: test data input (TDI), test data output (TDO), test mode select (TMS), and test clock (TCK). Additionally, the test circuitry performs other testing functions such as parallel-signature analysis (PSA) on data inputs and pseudo-random pattern generation (PRPG) from data outputs. All testing and scan operations are synchronized to the TAP interface. The SN54BCT8374A is characterized for operation over the full military temperature range of –55 °C to 125°C. The SN74BCT8374A is characterized for operation from 0 °C to 70°C. FUNCTION TABLE (normal mode, each flip-flop) INPUTS OUTPUT OE CLK D Q L ↑ H H L ↑ LL L H or L X Q0 H X X Z logic symbol† SCAN ’BCT8374A 1D 23 1D 1Q 2 TDI 14 TDI TCK-IN EN 24 22 2D 2Q 3 TMS 12 TMS 13 TCK 1 CLK TCK-OUT 21 3D 3Q 4 20 4D 4Q 5 19 5D 5Q 7 17 6D 6Q 8 16 7D 7Q 9 15 8D 8Q 10 OE Φ C1 TDO 11 TDO † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the DW, JT, and NT packages. |
Аналогичный номер детали - SN74BCT8374ADWR |
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Аналогичное описание - SN74BCT8374ADWR |
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