| PARAMETER | MIN | TYP | MAX | UNIT | CONDITIONS |
| TTLINPUTS Logic Threshold VIL VIH Logic Pullup Current Maximum Transmission Rate | 2.0 480 | 15 | 0.8 200 | Volts Volts o:A Kbps | TIN, EN, SD TIN = OV CL = 1000pF, RL = 3KI |
| TTL OUTPUTS Compatibility VOL VOH Leakage Current | 3.5 | rTUCMO 0 05 | S 0.4 +10 | Volts Volts o:A | lour = 3.2mA; Vcc = +5V lou r = -1.OmA ov " ROLn " Vcc ; SP211 EN = OV; SP213 EN = Vcc TA = +25IC |
| RS232 0UTPUT Output Voltage Swing Output Resistance Output Short Circuit Current | +5 300 | +7 +25 | | Volts l mA | All transmitter outputs loaded with 3KI to ground Vcc = OV; Vour = +2V Infinite duration, Vour = OV |
| RS232 INPUT Voltage Range Voltage Threshold Low High Hysteresis Resistance | -15 0.8 0.2 3 | 1.2 1.7 0.5 5 | +15 2.8 1.0 7 | Volts Volts Volts Volts kl | Vcc = 5V, TA = +25YC Vcc = 5V, TA = +25YC Vor = +5V V:NC=+15V; TA = +25IC |
| DYNAMIC CHARACTERIST Driver Propagation Delay Receiver Propagation Delay Instantaneous Slew Rate Transition Time Output Enable Time Output Disable Time | cs | 250 200 400 250 | 500 TBD TBD | ns ns V/GcS ns ns | TTL-to-RS-232 RS-232-to-TTL CL = 50pF, RL = 3-7KI ; TA = +25YC; from +3V CL = 2,500pF, R.= 3KI ; measured from +3V to -3V or -3V to +3V |
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