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SC16C550 Datasheet(PDF) 34 Page - NXP Semiconductors |
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SC16C550 Datasheet(HTML) 34 Page - NXP Semiconductors |
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34 / 52 page  Philips Semiconductors SC16C550 UART with 16-byte FIFO and IrDA encoder/decoder Product data Rev. 05 — 19 June 2003 34 of 52 9397 750 11619 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. 10. Dynamic characteristics Table 27: AC electrical characteristics Tamb = −40 °C to +85 °C; VCC = 2.5 V, 3.3 V or 5.0 V ±10%, unless otherwise specified. Symbol Parameter Conditions 2.5 V 3.3 V 5.0 V Unit Min Max Min Max Min Max t1w, t2w clock pulse duration 15 - 13 - 10 - ns t3w clock frequency [1] - 16 - 32 - 48 MHz t4w address strobe width 45 - 35 - 25 - ns t5s address set-up time 5 - 5 - 1 - ns t5h address hold time 5 - 5 - 5 - ns t6s chip select set-up time to AS 10 - 5 - 0 - ns t6h address hold time 0 - 0 - 0 - ns t6s' address set-up time [2] 10 - 10 - 5 - ns t6h chip select hold time 0 - 0 - 0 - ns t7d IOR delay from chip select 10 - 10 - 10 - ns t7w IOR strobe width 25 pF load 77 - 26 - 23 - ns t7h chip select hold time from IOR 0- 0- 0- ns t7h' address hold time [2] 5- 5- 5- ns t8d IOR delay from address 10 - 10 - 10 - ns t9d read cycle delay 25 pF load 20 - 20 - 20 - ns t11d IOR to DDIS delay 25 pF load - 100 - 35 - 30 ns t12d delay from IOR to data 25 pF load - 77 - 26 - 23 ns t12h data disable time 25 pF load - 15 - 15 - 15 ns t13d IOW delay from chip select 10 - 10 - 10 - ns t13w IOW strobe width [3] 20 - 20 - 15 - ns t13h chip select hold time from IOW 0 -0 -0 -ns t14d IOW delay from address 10 - 10 - 10 - ns t15d write cycle delay [4] 25 - 25 - 20 - ns t16s data set-up time 20 - 20 - 15 - ns t16h data hold time 15 - 5 - 5 - ns t17d delay from IOW to output 25 pF load - 100 - 33 - 29 ns t18d delay to set interrupt from Modem input 25 pF load - 100 - 24 - 23 ns t19d delay to reset interrupt from IOR 25 pF load - 100 - 24 - 23 ns t20d delay from stop to set interrupt - 1 - 1 - 1 Rclk t21d delay from IOR to reset interrupt 25 pF load - 100 - 29 - 28 ns t22d delay from start to set interrupt - 100 - 45 - 40 ns t23d delay from IOW to transmit start 8 24 8 24 8 24 Rclk t24d delay from IOW to reset interrupt - 100 - 45 - 40 ns t25d delay from stop to set RXRDY - 1- 1- 1Rclk t26d delay from IOR to reset RXRDY - 100 - 45 - 40 ns t27d delay from IOW to set TXRDY - 100 - 45 - 40 ns |
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