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PI74LVCC4245AS Datasheet(PDF) 7 Page - Pericom Semiconductor Corporation |
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PI74LVCC4245AS Datasheet(HTML) 7 Page - Pericom Semiconductor Corporation |
7 / 11 page ADVANCE INFORMATION PI74LVCC4245A 8-Bit Dual Supply Bus Transceiver with Configurable Output Voltage and 3-State Outputs 7 P-0.4 08/11/03 PARAMETER MEASUREMENT INFORMATION FOR B TO A VCCA =4.5V TO 5.5V and VCCB = 2.7V to 3.6V Load Circuit Voltage Waveforms Propagation Delay Times Voltage Waveforms Enable and Disable Times 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 impulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50Ω, tR ≤ 2.5ns, tF ≤ 2.5ns. D. The outputs are measured one at a time with one transition per measurement. Figure 3. Load Circuit and Voltage Waveforms tPZL Output Control 0V 1.5V 50% VCCA 1.5V tPLZ tPHZ VOL VCCA 0V tPZH +0.3V –0.3V Output Waveform 1 S1 at 2X VCCA (see Note B) Output Waveform 2 S1 at GND (see Note B) VOH VOH VOL 3V 50% VCCA 500Ω 500 Ω 2X VCCA Open GND S1 From Output Under Test CL = 50pF (See Note A) Input tPLH tPHL 0V Output VOH VOL 1.5V 1.5V 3V 50% VCCA 50% VCCA Test S1 tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 2X VCCAGND |
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