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SN74AVC4T245RGYR Fiches technique(PDF) 5 Page - Texas Instruments |
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SN74AVC4T245RGYR Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 24 page SN74AVC4T245 4BIT DUALSUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3STATE OUTPUTS SCES576A – JUNE 2004 – REVISED APRIL 2005 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Notes 5 through 7) VCCI VCCO MIN MAX UNIT VCCA Supply voltage 1.2 3.6 V VCCB Supply voltage 1.2 3.6 V High-level input Data inputs 1.2 V to 1.95 V VCCI × 0.65 VIH High-level input voltage Data inputs (see Note 8) 1.95 V to 2.7 V 1.6 V VIH voltage (see Note 8) 2.7 V to 3.6 V 2 V Low-level input Data inputs 1.2 V to 1.95 V VCCI × 0.35 VIL Low-level input voltage Data inputs (see Note 8) 1.95 V to 2.7 V 0.7 V VIL voltage (see Note 8) 2.7 V to 3.6 V 0.8 V High-level input DIR 1.2 V to 1.95 V VCCA × 0.65 VIH High-level input voltage DIR (referenced to VCCA) 1.95 V to 2.7 V 1.6 V VIH voltage (referenced to VCCA) (see Note 9) 2.7 V to 3.6 V 2 V Low-level input DIR 1.2 V to 1.95 V VCCA × 0.35 VIL Low-level input voltage DIR (referenced to VCCA) 1.95 V to 2.7 V 0.7 V VIL voltage (referenced to VCCA) (see Note 9) 2.7 V to 3.6 V 0.8 V VI Input voltage 0 3.6 V VO Output voltage Active state 0 VCCO V VO Output voltage 3-state 0 3.6 V 1.1 V to 1.2 V −3 1.4 V to 1.6 V −6 IOH High-level output current 1.65 V to 1.95 V −8 mA IOH High-level output current 2.3 V to 2.7 V −9 mA 3 V to 3.6 V −12 1.1 V to 1.2 V 3 1.4 V to 1.6 V 6 IOL Low-level output current 1.65 V to 1.95 V 8 mA IOL Low-level output current 2.3 V to 2.7 V 9 mA 3 V to 3.6 V 12 ∆t/∆v Input transition rise or fall rate 5 ns/V TA Operating free-air temperature −40 85 °C NOTES: 5. VCCI is the VCC associated with the data input port. 6. VCCO is the VCC associated with the output port. 7. All unused data inputs of the device must be held at VCCI or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. 8. For VCCI values not specified in the data sheet, VIH(min) = VCCI x 0.7 V, VIL(max) = VCCI x 0.3 V. 9. For VCCI values not specified in the data sheet, VIH(min) = VCCA x 0.7 V, VIL(max) = VCCA x 0.3 V. |
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