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74ALVC164245DGGRG4 Scheda tecnica(PDF) 10 Page - Texas Instruments |
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74ALVC164245DGGRG4 Scheda tecnica(HTML) 10 Page - Texas Instruments |
10 / 23 page www.ti.com PARAMETER MEASUREMENT INFORMATION tPLH VOH VOL From Output Under Test CL = 50 pF (see Note A) LOAD CIRCUIT S1 2 VCCB Open GND 500 Ω 500 Ω tPHL Output Control (low-level enabling) Output Waveform 1 S1 at 2 VCCB (see Note B) Output Waveform 2 S1 at GND (see Note B) tPZL tPZH tPLZ tPHZ 1.5 V 1.5 V 1.5 V 1.5 V 2.7 V 0 V 50% VCCB 50% VCCB VOH VOL 0 V 20% VCCB 50% VCCB 80% VCCB 0 V Input 2.7 V ≈VCCB VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES Output tpd tPLZ/tPZL tPHZ/tPZH Open 2 VCCB GND TEST S1 50% VCCB 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. SN74ALVC164245 16-BIT 2.5-V TO 3.3-V/3.3-V TO 5-V LEVEL-SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS SCAS416P – MARCH 1994 – REVISED NOVEMBER 2005 V CCA = 3.3 V ± 0.3 V to VCCB = 5 V ± 0.5 V Figure 3. Load Circuit and Voltage Waveforms 10 |
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