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TL16PC564BLVIPZ Datasheet(PDF) 16 Page - Texas Instruments |
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TL16PC564BLVIPZ Datasheet(HTML) 16 Page - Texas Instruments |
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16 / 35 page ![]() TL16PC564BLVI PCMCIA UNIVERSAL ASYNCHRONOUS RECEIVER TRANSMITTER SLLS627− SEPTEMBER 2004 16 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 host CPU I/O write-cycle timing requirements over recommended ranges of operating free-air temperature and supply voltage (see Figure 3) MIN MAX UNIT tsu4 Setup time, HD(7 − 0) valid before IOWR ↓ 60 ns th5 Hold time, HA(9 − 0) valid after IOWR ↑ 20 ns tw6 Pulse duration, IOWR low 165 ns tsu5 Setup time, HA(9 − 0) valid before IOWR ↓ 70 ns th6 Hold time, REG ↑ after IOWR↑ 0 ns tsu6 Setup time, CEx ↓ before IOWR↓ 5 ns th7 Hold time, CEx ↑ after IOWR↑ 20 ns tsu7 Setup time, REG ↓ before IOWR↓ 5 ns th8 Hold time, HD(7 − 0) valid after IOWR ↑ 30 ns transmitter switching characteristics over recommended ranges of operating free-air temperature and supply voltage (see Figure 4) PARAMETER TEST CONDITIONS MIN MAX UNIT td9 Delay time, SOUT ↓ after IOWR↑ 8 24 Baud cycles td10 Delay time, IREQ ↓ after SOUT↓ 8 8 Baud cycles td11 Delay time, IREQ ↓ after IOWR↑ 16 32 Baud cycles td12 Delay time, IREQ ↑ after IOWR↑ CL = 100 pF 140 ns td13 Delay time, IREQ ↑ after IORD↑ CL = 100 pF 140 ns receiver switching characteristics over recommended ranges of operating free-air temperature and supply voltage (see Figure 5) PARAMETER TEST CONDITIONS MIN MAX UNIT td14 Delay time, sample CLK ↑ after RCLK↑ 100 ns td15 Delay time, IREQ ↓ after SIN↓ 1 RCLK cycles td16 Delay time, IREQ ↑ after IORD↑ CL = 100 pF 150 ns modem-control switching characteristics over recommended ranges of operating free-air temperature and supply voltage, CL = 100 pF (see Figure 6) PARAMETER MIN MAX UNIT td17 Delay time, RTS, DTR, OUT1, OUT2 ↓ or ↑ after IOWR↑ 50 ns td18 Delay time, IREQ ↓ after CTS, DSR, DCD↓ 30 ns td19 Delay time, IREQ ↑ after IORD↑ 35 ns td20 Delay time, IREQ ↓ after RI↑ 30 ns Not Recommended For New Designs |
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