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SN54ACT16240 Datasheet(PDF) 5 Page - Texas Instruments |
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SN54ACT16240 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 12 page SN54ACT16240, 74ACT16240 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS SCAS137C – JULY 1989 – REVISED NOVEMBER 1996 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C SN54ACT16240 74ACT16240 UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A Y 2.3 5 7.7 2 9.5 2.3 8.5 ns tPHL A Y 4.1 6.7 9.2 3 11.5 4.1 10.2 ns tPZH OE Y 2.6 5.6 8.5 2 10.1 2.6 9.4 ns tPZL OE Y 3.3 6.7 10.2 2.5 12.2 3.3 11.4 ns tPHZ OE Y 5.9 8.3 11 4.5 12.7 5.9 12 ns tPLZ OE Y 5.1 7.4 9.9 4 12 5.1 10.7 ns operating characteristics, VCC = 5 V, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT C d Power dissipation capacitance per driver Outputs enabled CL =50 pF f=1MHz 38 pF Cpd Power dissipation capacitance per driver Outputs disabled CL = 50 pF, f = 1 MHz 9 pF PARAMETER MEASUREMENT INFORMATION From Output Under Test CL = 50 pF (see Note A) LOAD CIRCUIT S1 2 × VCC 500 Ω 500 Ω tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 2 × VCC GND tPHL tPLH Output Control (low-level enabling) Output Waveform 1 S1 at 2 × VCC (see Note B) Output Waveform 2 S1 at GND (see Note B) VOL VOH tPZL tPZH tPLZ tPHZ 1.5 V 1.5 V 1.5 V 1.5 V [ VCC 3 V 0 V 50% VCC 50% VCC VOH VOL 0 V 50% VCC 20% VCC 50% VCC 80% VCC [ 0 V 3 V GND Open Input Output VOLTAGE WAVEFORMS VOLTAGE WAVEFORMS 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 ≤ 1 MHz, ZO = 50 Ω, tr = 3 ns, tf = 3 ns. D. The outputs are measured one at a time with one input transition per measurement. Figure 1. Load Circuit and Voltage Waveforms PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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Similar Description - SN54ACT16240_14 |
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