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74AVCB324245ZKER Arkusz danych(PDF) 10 Page - Texas Instruments |
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74AVCB324245ZKER Arkusz danych(HTML) 10 Page - Texas Instruments |
10 / 14 page www.ti.com PARAMETER MEASUREMENT INFORMATION VOH VOL From Output Under Test CL (see Note A) LOAD CIRCUIT S1 2 × VCCO Open GND RL RL tPLH tPHL Output Control (low-level enabling) Output Waveform 1 S1 at 2 × VCCO (see Note B) Output Waveform 2 S1 at GND (see Note B) tPZL tPZH tPLZ tPHZ VCCB/2 VCCB/2 VCCI/2 VCCI/2 VCCI 0 V VCCO/2 VCCO/2 VOH VOL 0 V VCCO/2 VOL + VTP VCCO/2 VOH − VTP 0 V VCCI 0 V VCCI/2 VCCI/2 tw Input VCCB VCCO VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VOLTAGE WAVEFORMS PULSE DURATION VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES Output Input tpd tPLZ/tPZL tPHZ/tPZH Open 2 × VCCO 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: PRRv10 MHz, ZO = 50 Ω, dv/dt ≥ 1 V/ns, dv/dt ≥1 V/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. VCCI is the VCC associated with the input port. I. VCCO is the VCC associated with the output port. 1.5 V ± 0.1 V 1.8 V ± 0.15 V 2.5 V ± 0.2 V 3.3 V ± 0.3 V 2 k Ω 1 k Ω 500 Ω 500 Ω VCCO RL 0.1 V 0.15 V 0.15 V 0.3 V VTP CL 15 pF 30 pF 30 pF 30 pF SN74AVCB324245 32-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS SCES485A – AUGUST 2003 – REVISED MARCH 2005 Figure 2. Load Circuit and Voltage Waveforms 10 |
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