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ST75C185CD 数据表(PDF) 6 Page - STMicroelectronics |
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ST75C185CD 数据表(HTML) 6 Page - STMicroelectronics |
6 / 13 page APPLICATION CIRCUITS To CPU BUS RI 5 1 2 3 4 9 6 7 8 GND DCD DSR RXD RTS TXD CTS DTR Rin1 Rin5 Rin4 Rin3 Rin2 Dout3 Dout2 Dout1 Rout1 Rout5 Rout4 Rout3 Rout2 Din1 Din3 Din2 1 Vss GND 2 Vcc Vdd ST75C185 20 19 9 7 6 5 4 3 14 13 8 10 18 11 12 17 16 15 Vcc +5 V Vdd +12 V Vss -12V DB9S EIA232-E Serial Port Connector RS232 LEVEL TTL LEVEL PC Serial Port 100nF 100nF 100nF CL CL CL UART (16550) DCD 38 DSR 37 DTR 33 TXD 11 RXD 21 CTS 36 RTS 32 RI 39 FIGURE 1: Driver Test Circuit for VOH,VOL, ISO(H) and ISO(L) FIGURE 2: Driver Test Circuit for IIH and IIL ST75C185 6/13 |
类似零件编号 - ST75C185CD |
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类似说明 - ST75C185CD |
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