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SN75186FN Datasheet(PDF) 5 Page - Texas Instruments |
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SN75186FN Datasheet(HTML) 5 Page - Texas Instruments |
5 / 12 page SN75186 QUADRUPLE DRIVER/RECEIVER WITH LOOPBACK SLLS068C – FEBRUARY 1990 – REVISED MAY 1995 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 DRIVER SECTION electrical characteristics over full recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VOH High-level output voltage RL = 3 kΩ, VIL = 0.8 V, See Figure 1 7 V VOL Low-level output voltage‡ RL = 3 kΩ, VIH = 2 V, See Figure 1 –7 V VOH(LB) High-level output voltage in loopback mode‡§¶ RL = 3 kΩ, LB at 0.8 V, VIL = 0.8 V –7 V IIH High-level input current (driver and loopback inputs)# VI = 5 V, See Figure 2 100 µA IIL Low-level input current (driver and loopback inputs)# – 100 µA VOS(H) High-level short-circuit output current VI = 0.8 V, VO = 0, See Note 3 and Figure 1 –10 –20 –35 mA VOS(L) Low-level short-circuit output current VI = 2 V, VO = 0, See Note 3 and Figure 1 10 20 35 mA ICC1 Supply current from VCC1 No load 2.5 4 mA ICC1(LB) Supply current from VCC1 with loopback on No load, LB at 0.8 V 10 mA IEE Supply current from VEE No load – 2.5 –4 mA IEE(LB) Supply current from VEE with loopback on No load, LB at 0.8 V –10 mA ICC2 Supply current from VCC2 No load, VI = 0, See Note 5 –10 – 100 µA ICC2(LB) Supply current from VCC2 with loopback on No load, See Note 5 LB at 0.8 V, VI = 0, –10 – 100 µA ro Output resistance VCC1 = VEE = VCC2 = 0, See Note 4 VO = – 2 V to 2 V, 0.3 5 k Ω † All typical values are at TA = 25°C. ‡ The algebraic convention, where the more positive (less negative) limit is designated as maximum, is used in this data sheet for logic levels only. § This is the most positive level to which the driver output rises when the device is in the loopback mode and the driver input is at a low level. ¶ The loopback mode should be entered only when the driver output is in the low (marking) state. # Unused driver inputs should be tied to 0 V or VCC2; unused loopback inputs should be tied to VCC2. NOTES: 3. Minimum IOS(H) and IOS(L) are specified at VO = 0, as this more accurately describes the output current needed to dynamically drive capacitive lines. A minimum of ±10 mA is sufficient to drive 2500 pF in parallel with 3 kΩ at a slew rate of 4 V/µs ( in accordance with EIA / TIA-232-E and V.28). 4. Test conditions are those specified by EIA / TIA-232-E. 5. Without a load and VI = 0, the worst-case conditions, VCC2 sources a small current originating from VCC1 giving ICC2 supply current a negative sign. When a receiver has an output load, VCC2 sinks static and dynamic supply currents to meet load requirements. |
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