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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ECP2 데이터시트(PDF) 100 Page - Lattice Semiconductor |
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ECP2 데이터시트(HTML) 100 Page - Lattice Semiconductor |
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100 / 386 page  3-48 DC and Switching Characteristics Lattice Semiconductor LatticeECP2/M Family Data Sheet JTAG Port Timing Specifications Over Recommended Operating Conditions Figure 3-21. JTAG Port Timing Waveforms Symbol Parameter Min Max Units fMAX TCK clock frequency — 25 MHz tBTCP TCK [BSCAN] clock pulse width 40 — ns tBTCPH TCK [BSCAN] clock pulse width high 20 — ns tBTCPL TCK [BSCAN] clock pulse width low 20 — ns tBTS TCK [BSCAN] setup time 8 — ns tBTH TCK [BSCAN] hold time 10 — ns tBTRF TCK [BSCAN] rise/fall time 50 — mV/ns tBTCO TAP controller falling edge of clock to valid output — 10 ns tBTCODIS TAP controller falling edge of clock to valid disable — 10 ns tBTCOEN TAP controller falling edge of clock to valid enable — 10 ns tBTCRS BSCAN test capture register setup time 8 — ns tBTCRH BSCAN test capture register hold time 25 — ns tBUTCO BSCAN test update register, falling edge of clock to valid output — 25 ns tBTUODIS BSCAN test update register, falling edge of clock to valid disable — 25 ns tBTUPOEN BSCAN test update register, falling edge of clock to valid enable — 25 ns Timing v.A 0.11 TMS TDI TCK TDO Data to be captured from I/O Data to be driven out to I/O a t a D d il a V a t a D d il a V a t a D d il a V a t a D d il a V Data Captured tBTCPH tBTCPL tBTCOEN tBTCRS tBTUPOEN tBUTCO tBTUODIS tBTCRH tBTCO tBTCODIS tBTS tBTH tBTCP |
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