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ISL3174E Datasheet(PDF) 8 Page - Intersil Corporation |
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ISL3174E Datasheet(HTML) 8 Page - Intersil Corporation |
8 / 19 page 8 FN6307.2 August 28, 2006 Receiver Disable from Output Low tLZ RL = 1kΩ, CL = 15pF, SW = VCC (Figure 6), (Note 12) ISL3170E-75E Full 5 13 20 ns ISL3176E-78E Full 4 7 15 ns Time to Shutdown tSHDN (Notes 9, 12) Full 50 180 600 ns Receiver Enable from Shutdown to Output High tZH(SHDN) RL = 1kΩ, CL = 15pF, SW = GND (Figure 6), (Notes 9, 11, 12) Full - 240 500 ns Receiver Enable from Shutdown to Output Low tZL(SHDN) RL = 1kΩ, CL = 15pF, SW = VCC (Figure 6), (Notes 9, 11, 12) Full - 240 500 ns NOTES: 4. All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device ground unless otherwise specified. 5. Supply current specification is valid for loaded drivers when DE = 0V. 6. Applies to peak current. See “Typical Performance Curves” for more information. 7. When testing devices with the shutdown feature, keep RE = 0 to prevent the device from entering SHDN. 8. When testing devices with the shutdown feature, the RE signal high time must be short enough (typically <100ns) to prevent the device from entering SHDN. 9. Versions with a shutdown feature are put into shutdown by bringing RE high and DE low. If the inputs are in this state for less than 50ns, the parts are guaranteed not to enter shutdown. If the inputs are in this state for at least 600ns, the parts are guaranteed to have entered shutdown. See “Low-Power Shutdown Mode” section. 10. Keep RE = VCC, and set the DE signal low time >600ns to ensure that the device enters SHDN. 11. Set the RE signal high time >600ns to ensure that the device enters SHDN. 12. Does not apply to the ISL3171E, ISL3174E and ISL3177E. 13. Δt SKEW is the magnitude of the difference in propagation delays of the specified terminals of two units tested with identical test conditions (VCC, temperature, etc.). Only applies to the ISL3176E - 78E. 14. ISL3170E - ISL3175E only. 15. VCC ≥ 3.15V 16. Guaranteed by design and characterization, but not production tested. 17. If the Tx or Rx enable function isn’t needed, connect the enable pin to the appropriate supply (see “Pin Descriptions” table) through a 1k Ω to 3kΩ resistor. Test Circuits and Waveforms FIGURE 1A. VOD AND VOC FIGURE 1B. VOD WITH COMMON MODE LOAD FIGURE 1. DC DRIVER TEST CIRCUITS Electrical Specifications Test Conditions: VCC = 3.0V to 3.6V; Unless Otherwise Specified. Typicals are at VCC = 3.3V, TA = +25°C, Note 4 (Continued) PARAMETER SYMBOL TEST CONDITIONS TEMP (°C) MIN TYP MAX UNITS D DE DI VCC VOD VOC RL/2 RL/2 Z Y D DE DI VCC VOD 375 Ω 375 Ω Z Y RL = 60Ω VCM -7V to +12V ISL3170E, ISL3171E, ISL3172E, ISL3173E, ISL3174E, ISL3175E,ISL3176E, ISL3177E, ISL3178E |
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