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SN75276 Datasheet(PDF) 8 Page - STMicroelectronics |
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SN75276 Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 16 page SN75276 FAIL-SAFE DIFFERENTIAL BUS TRANSCEIVER SLLS212B – SEPTEMBER 1995 – REVISED APRIL 1998 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION VOLTAGE WAVEFORMS tPHZ 1.5 V 2.3 V 0.5 V 0 V 3 V tPZH Output Input 1.5 V S1 0 V or 3 V Output CL = 50 pF (see Note B) TEST CIRCUIT 50 Ω VOH Voff ≈ 0 V RL = 110 Ω Generator (see Note A) NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 1 MHz, 50% duty cycle, tr ≤ 6 ns, tf ≤ 6 ns, ZO = 50 Ω. B. CL includes probe and jig capacitance. Figure 4. Driver Test Circuit and Voltage Waveforms VOLTAGE WAVEFORMS 5 V VOL 0.5 V tPZL 3 V 0 V tPLZ 2.3 V 1.5 V Output Input TEST CIRCUIT Output RL = 110 Ω 5 V S1 CL = 50 pF (see Note B) 50 Ω 3 V or 0 V Generator (see Note A) 1.5 V NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 1 MHz, 50% duty cycle, tr ≤ 6 ns, tf ≤ 6 ns, ZO = 50 Ω. B. CL includes probe and jig capacitance. Figure 5. Driver Test Circuit and Voltage Waveforms VOLTAGE WAVEFORMS 1.3 V 0 V 3 V VOL VOH tPHL tPLH 1.5 V Output Input TEST CIRCUIT CL = 15 pF (see Note B) Output 0 V 1.5 V 51 Ω Generator (see Note A) 1.5 V 1.3 V NOTES: A. The input pulse is supplied by a generator having the following characteristics: PRR ≤ 1 MHz, 50% duty cycle, tr ≤ 6 ns, tf ≤ 6 ns, ZO = 50 Ω. B. CL includes probe and jig capacitance. Figure 6. Receiver Test Circuit and Voltage Waveforms |
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