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74CBTLV3126DGVRE4 Fiches technique(PDF) 5 Page - Texas Instruments |
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74CBTLV3126DGVRE4 Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 18 page SN74CBTLV3126 LOW VOLTAGE QUADRUPLE FET BUS SWITCH SCDS038I − DECEMBER 1997 − REVISED OCTOBER 2003 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION VCC/2 th tsu From Output Under Test CL (see Note A) LOAD CIRCUIT S1 2 × VCC Open GND RL RL Data Input Timing Input VCC 0 V VCC 0 V 0 V tw Input VOLTAGE WAVEFORMS SETUP AND HOLD TIMES VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES INVERTING AND NONINVERTING OUTPUTS VOLTAGE WAVEFORMS PULSE DURATION tPLH tPHL tPHL tPLH VOH VOH VOL VOL VCC 0 V Input Output Waveform 1 S1 at 2 × VCC (see Note B) Output Waveform 2 S1 at GND (see Note B) VOL VOH tPZL tPZH tPLZ tPHZ VCC 0 V VOL + V∆ VOH − V∆ ≈0 V VCC VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES LOW- AND HIGH-LEVEL ENABLING Output Output tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 2 × VCC GND 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 ns, tf ≤ 2 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. H. All parameters and waveforms are not applicable to all devices. Output Control VCC/2 VCC/2 VCC/2 VCC/2 VCC/2 VCC/2 VCC/2 VCC/2 VCC/2 VCC/2 VCC/2 VCC/2 VCC VCC/2 VCC/2 2.5 V ±0.2 V 3.3 V ±0.3 V 500 Ω 500 Ω VCC RL 0.15 V 0.3 V V∆ CL 30 pF 50 pF Figure 1. Load Circuit and Voltage Waveforms |
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