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SN74CBTS16212DGG Datasheet(PDF) 4 Page - Texas Instruments |
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SN74CBTS16212DGG Datasheet(HTML) 4 Page - Texas Instruments |
4 / 5 page SN74CBTS16212 24-BIT FET BUS-EXCHANGE SWITCH WITH SCHOTTKY DIODE CLAMPING SCDS036B – DECEMBER 1997 – REVISED MAY 1998 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4 V VCC = 5 V ± 0.5 V UNIT (INPUT) (OUTPUT) MIN MAX MIN MAX tpd† A or B B or A 0.35 0.25 ns tpd S A or B 10 1.5 9.1 ns ten S A or B 10.4 1.5 9.7 ns tdis S A or B 9.2 1.5 8.8 ns † 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). PARAMETER MEASUREMENT INFORMATION VOH VOL From Output Under Test CL = 50 pF (see Note A) LOAD CIRCUIT S1 7 V Open GND 500 Ω 500 Ω tPLH tPHL Output Control (low-level enabling) Output Waveform 1 S1 at 7 V (see Note B) Output Waveform 2 S1 at Open (see Note B) tPZL tPZH tPLZ tPHZ 1.5 V 1.5 V 1.5 V 1.5 V 3 V 0 V 1.5 V 1.5 V VOH VOL 0 V 1.5 V VOL + 0.3 V 1.5 V VOH – 0.3 V 0 V Input 3 V 3.5 V VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES Output tpd tPLZ/tPZL tPHZ/tPZH Open 7 V Open TEST S1 NOTES: A. CL includes probe and jig capacitance. B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns. D. The outputs are measured one at a time with one transition per measurement. E. tPLZ and tPHZ are the same as tdis. F. tPZL and tPZH are the same as ten. G. tPLH and tPHL are the same as tpd. Figure 1. Load Circuit and Voltage Waveforms |
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