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SN74CBT16244DL Scheda tecnica(PDF) 3 Page - Texas Instruments |
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SN74CBT16244DL Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 13 page SN54CBT16244, SN74CBT16244 16-BIT FET BUS SWITCHES SCDS031I – MAY 1996 – REVISED OCTOBER 2000 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54CBT16244 SN74CBT16244 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 V II VCC = 0 VI = 5.5 V 10 10 µA II VCC = 5.5 V VI = 5.5 V or GND ±1 ±1 µA ICC VCC = 5.5 V, VI = VCC or GND IO = 0, 3.2 3 µA ∆ICC‡ Control inputs VCC = 5.5 V, Other inputs at VCC or GND One input at 3.4 V, 2.5 2.5 mA Ci Control inputs VI = 3 V or 0 2.5 2.5 pF Cio(OFF) VO = 3 V or 0, OE = VCC 4.5 4.5 pF § VCC = 4 V, VI = 2.4 V, II = 15 mA 20 20 r § VI = 0, II = 64 mA 5 10 5 7 Ω ron§ VCC = 4.5 V VI = 0, II = 30 mA 5 10 5 7 Ω VI = 2.4 V, II = 15 mA 8 14 8 12 † All typical values are at VCC = 5 V, TA = 25°C. ‡ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND. § Measured by the voltage drop between the A and B terminals at the indicated current through the switch. On-state resistance is determined by the lower of the voltages of the two (A or B) terminals. switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) SN54CBT16244 SN74CBT16244 PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4 V VCC = 5 V ± 0.5 V VCC = 4 V VCC = 5 V ± 0.5 V UNIT MIN MAX MIN MAX MIN MAX MIN MAX tpd¶ A or B B or A 0.8* 0.35 0.25 ns ten OE A or B 10.3 1 9.2 5.5 1 5.1 ns tdis OE A or B 9.7 1 8.2 5.2 1 5.4 ns * On products compliant to MIL-PRF-38535, this parameter is not production tested. ¶ The propagation delay is the calculated RC time constant of the typical on-state resistance of the switch and the specified load capacitance, when driven by an ideal voltage source (zero output impedance). |
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