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CDC319 Datasheet(PDF) 7 Page - Texas Instruments |
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CDC319 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 11 page CDC319 1-LINE TO 10-LINE CLOCK DRIVER WITH I2C CONTROL INTERFACE SCAS590 – DECEMBER 1997 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION From Output Under Test CL = 30 pF (see Note A) LOAD CIRCUIT FOR tpd AND tsk S1 6 V Open GND 500 Ω 500 Ω TEST tPLH /tPHL tPLZ /tPZL tPHZ /tPZH S1 Open 6 V GND Output Enable (high-level enabling) Output Waveform 1 S1 at 6 V (see Note B) Output Waveform 2 S1 at GND (see Note B) VOL VOH tPZL tPZH tPLZ tPHZ 1.5 V 1.5 V ≈ 3 V 0 V 1.5 V VOL + 0.3 V 1.5 V VOH – 0.3 V ≈ 0 V VCC 3 V 0 V 1.5 V 1.5 V tw Input VOLTAGE WAVEFORMS VOLTAGE WAVEFORMS VOLTAGE WAVEFORMS tPLH tPHL Output 1.5 V 1.5 V 3 V 0 V 1.5 V VOH VOL Input 0.4 V 2.4 V tr tf 0.4 V From Output Under Test CL = 30 pF (see Note A) LOAD CIRCUIT FOR tr AND tf 2.4 V 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. Figure 1. Load Circuit and Voltage Waveforms |
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