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ST10F269ZX датащи(PDF) 171 Page - STMicroelectronics |
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ST10F269ZX датащи(HTML) 171 Page - STMicroelectronics |
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171 / 184 page ![]() ST10F269 171/184 21.4.13 - External Bus Arbitration VDD = 5V ± 10%, VSS = 0V, TA = -40 to +125°C, CL = 50pF (PQFP144 devices) Note: 1. Partially tested, guaranteed by design characterization VDD = 5V ± 10%, VSS = 0V, TA = -40 to +125°C, CL = 50pF (TQFP144 devices) Note: 1. Partially tested, guaranteed by design characterization Symbol Parameter Maximum CPU Clock = 40 MHz Variable CPU Clock 1/2TCL = 1 to 40 MHz Minimum Maximum Minimum Maximum t61 SR HOLD input setup time to CLKOUT 15 – 15 – ns t62 CC CLKOUT to HLDA high or BREQ low delay – 12.5 – 12.5 ns t63 CC CLKOUT to HLDA low or BREQ high delay – 12.5 – 12.5 ns t64 CC CSx release 1 – 15 – 15 ns t65 CC CSx drive -4 15 -4 15 ns t66 CC Other signals release 1 – 15 – 15 ns t67 CC Other signals drive -4 15 -4 15 ns Symbol Parameter Maximum CPU Clock = 32MHz Variable CPU Clock 1/2TCL = 1 to 32MHz Unit Minimum Maximum Minimum Maximum t61 SR HOLD input setup time to CLKOUT 20 – 20 – ns t62 CC CLKOUT to HLDA high or BREQ low delay – 15.625 – 15.625 ns t63 CC CLKOUT to HLDA low or BREQ high delay – 15.625 – 15.625 ns t64 CC CSx release 1 –15 – 15 ns t65 CC CSx drive -4 15 -4 15 ns t66 CC Other signals release 1 –15 – 15 ns t67 CC Other signals drive -4 15 -4 15 ns |
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