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TL16C550B 数据表(PDF) 9 Page - Texas Instruments |
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TL16C550B 数据表(HTML) 9 Page - Texas Instruments |
9 / 35 page TL16C550B, TL16C550BI ASYNCHRONOUS COMMUNICATIONS ELEMENT SLLS136B – JANUARY 1994 – REVISED AUGUST 1996 9 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 receiver switching characteristics over recommended ranges of supply voltage and operating free-air temperature (see Note 3) PARAMETER ALT. SYMBOL FIGURE TEST CONDITIONS MIN MAX UNIT td12 Delay time, RCLK to sample tSCD 4 10 ns td13 Delay time, stop to set interrupt or read RBR to LSI interrupt or stop to RXRDY ↓ tSINT 4,5,6,7,8 1 RCLK cycle td14 Delay time, read RBR/LSR to reset interrupt low tRINT 4,5,6,7,8 CL = 75 pF 40 ns NOTE 3: In the FIFO mode, the read cycle (RC) = 425 ns (minimum) between reads of the receiver FIFO and the status registers (interrupt identification register or line status register). transmitter switching characteristics over recommended ranges of supply voltage and operating free-air temperature PARAMETER ALT. SYMBOL FIGURE TEST CONDITIONS MIN MAX UNIT td15 Delay time, initial write (INTRPT low) to transmit start (SOUT low) tIRS 9 8 24 baudout cycles td16 Delay time, stop (SOUT low) to interrupt (INTRPT high) tSTI 9 8 9 baudout cycles td17 Delay time, WR THR high to reset interrupt (INTRPT low) tHR 9 CL = 75 pF 50 ns td18 Delay time, initial WR THR low to THRE interrupt (INTRPT high) tSI 9 16 32 baudout cycles td19 Delay time, RD IIR low to reset THRE interrupt (INTRPT low) tIR 9 CL = 75 pF 35 ns td20 Delay time, WR THR high to TXRDY high (inactive) tWXI 10,11 CL = 75 pF 35 ns td21 Delay time, start (SOUT low) to TXRDY low (active) tSXA 10,11 CL = 75 pF 8 baudout cycles modem control switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 75 pF PARAMETER ALT. SYMBOL FIGURE MIN MAX UNIT td22 Delay time, WR MCR low to output (RTS, DTR, OUT1, OUT2) low or high tMDO 12 50 ns td23 Delay time, modem interrupt (CTS, DSR, DCD) low to set interrupt (INTRPT) high tSIM 12 35 ns td24 Delay time, RD MSR low to reset interrupt (INTRPT) low tRIM 12 40 ns |
类似零件编号 - TL16C550B |
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类似说明 - TL16C550B |
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