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SN74ALVC164245KR 데이터시트(PDF) 10 Page - Texas Instruments |
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SN74ALVC164245KR 데이터시트(HTML) 10 Page - Texas Instruments |
10 / 15 page SN74ALVC164245 16BIT 2.5V TO 3.3V/3.3V TO 5V LEVELSHIFTING TRANSCEIVER WITH 3STATE OUTPUTS SCAS416L − MARCH 1994 − REVISED FEBRUARY 2004 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION VCCB = 5 V ± 0.5 V TO VCCA = 2.7 V AND 3.3 V ± 0.3 V VOHA VOLA From Output Under Test CL = 50 pF (see Note A) LOAD CIRCUIT S1 VCCA = 6 V Open GND 500 Ω 500 Ω tPLH tPHL Output Control (low-level enabling) Output Waveform 1 S1 at 6 V (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 3 V 0 V 1.5 V 1.5 V VOHA VOLA 0 V 1.5 V VOL + 0.3 V 1.5 V VOH − 0.3 V 0 V Input 3 V ≈3 V VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES Output tpd tPLZ/tPZL tPHZ/tPZH Open VCCA = 6 V 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 ≤ 2.5 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 4. Load Circuit and Voltage Waveforms |
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