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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC5673K датащи(PDF) 112 Page - Freescale Semiconductor, Inc |
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MPC5673K датащи(HTML) 112 Page - Freescale Semiconductor, Inc |
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112 / 140 page  MPC5675K Microcontroller Data Sheet, Rev. 4 Preliminary—Subject to Change Without Notice Electrical characteristics Freescale Semiconductor 112 Figure 33. DDR read timing, DQSEN Figure 34 provides the AC test load for the DDR bus. Figure 34. DDR AC test load 3.22.2 IEEE 1149.1 (JTAG) interface timing Table 62. JTAG pin AC electrical characteristics No. Symbol Parameter Conditions Min Max Unit 1tJCYC D TCK cycle time 1 —100 — ns 2tJDC D TCK clock pulse width (measured at VDDE/2) — 40 60 ns 3tTCKRISE D TCK rise and fall times (40%–70%) — — 3 ns 4tTMSS, tTDIS D TMS, TDI data setup time — 5 — ns 5tTMSH, tTDIH D TMS, TDI data hold time — 25 — ns 6tTDOV D TCK low to TDO data valid — — 20 ns 7tTDOI D TCK low to TDO data invalid — 0 — ns 8tTDOHZ D TCK low to TDO high impedance — — 20 ns 11 tBSDV D TCK falling edge to output valid — — 50 ns 12 tBSDVZ D TCK falling edge to output valid out of high impedance — — 50 ns 13 tBSDHZ D TCK falling edge to output high impedance — — 50 ns 14 tBSDST D Boundary scan input valid to TCK rising edge — 50 — ns 15 tBSDHT D TCK rising edge to boundary scan input invalid — 50 — ns MCK DQS (in) tOS tOH Command Address Read tDQSEN (min) tDQSEN Output Z0 =50 RL = 50 VDD_MEM_IO/2 |
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