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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TSB12C01APZ датащи(PDF) 43 Page - Texas Instruments |
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TSB12C01APZ датащи(HTML) 43 Page - Texas Instruments |
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43 / 59 page  5–3 5.4 Host-Interface Timing Requirements, TA = 25°C (see Note 5) PARAMETER MIN MAX UNIT tc1 Cycle time, BCLK (see Figure 6–1) 30 111 ns tw1(H) Pulse duration, BCLK high (see Figure 6–1) 10 ns tw1(L) Pulse duration, BCLK low (see Figure 6–1) 10 ns tsu1 Setup time, DATA0 – DATA31 valid before BCLK ↑ (see Figure 6–2) 4 ns th1 Hold time, DATA0 – DATA31 invalid after BCLK ↑ (see Figure 6–2) 2 ns tsu2 Setup time, ADDR0 – ADDR7 valid before BCLK ↑ (see Figures 6–2 and 6–3) 12 ns th2 Hold time, ADDR0 – ADDR7 invalid after BCLK ↑ (see Figures 6–2 and 6–3) 2 ns tsu3 Setup time, CS ↓ before BCLK↑ (see Figures 6–2 and 6–3) 12 ns th3 Hold time, CS ↑ after BCLK↑ (see Figures 6–2 and 6–3) 2 ns tsu4 Setup time, WR valid before BCLK ↑ (see Figures 6–2 and 6–3) 12 ns th4 Hold time, WR invalid after BCLK ↑ (see Figures 6–2 and 6–3) 2 ns NOTE 5: These parameters are not production tested. 5.5 Host-Interface Switching Characteristics Over Operating Free-Air Temperature Range of 0 °C to 70°C, CL = 45 pF (unless otherwise noted) PARAMETER MIN MAX UNIT td1 Delay time, BCLK ↑ to CA↓ (see Figure 6–2) 4 16 ns td2 Delay time, BCLK ↑ to CA↑ (see Figure 6–2) 4 16 ns td3 Delay time, BCLK ↑ to DATA0 – DATA31 valid (see Figure 6–3 and Note 5) 4 24 ns td4 Delay time, BCLK ↑ to DATA0 – DATA31 invalid (see Figure 6–3 and Note 5) 4 24 ns NOTE 5: These parameters are not production tested. 5.6 Phy-Interface Timing Requirements Over Operating Free-Air Temperature Range of 0 °C to 70°C (see Note 5) PARAMETER MIN MAX UNIT tc2 Cycle time, SCLK (see Figure 6–4) 20.24 20.45 ns tw2(H) Pulse duration, SCLK high (see Figure 6–4) 9 ns tw2(L) Pulse duration, SCLK low (see Figure 6–4) 9 ns tsu5 Setup time, D0 – D7 valid before SCLK ↑ (see Figure 6–6) 6 ns th5 Hold time, D0 – D7 invalid after SCLK ↑ (see Figure 6–6) 1 ns tsu6 Setup time, CTL0 – CTL1 valid before SCLK ↑ (see Figure 6–6) 6 ns th6 Hold time, CTL0 – CTL1 invalid after SCLK ↑ (see Figure 6–6) 1 ns NOTE 5: These parameters are not production tested. |
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