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SN74LVC07A 数据表(PDF) 8 Page - Texas Instruments |
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SN74LVC07A 数据表(HTML) 8 Page - Texas Instruments |
8 / 17 page www.ti.com PARAMETER MEASUREMENT INFORMATION 2 × VCC 1.5 V VCC/2 VCC/2 VCC/2 1.5 V 1.5 V 1.5 V 1.5 V 3.5 V VOL th tsu From Output Under Test CL = 50 pF (see Note A) LOAD CIRCUIT S1 Open GND 500 Ω 500 Ω Output Control (low-level enabling) Output Waveform 1 S1 at 2 × VCC (see Note B) Output Waveform 2 S1 at 7 V (see Note B) tPZL tPZH tPLZ tPHZ 0 V VOL + 0.3 V 3.2 V 0 V 3 V 0 V 0 V tw 3 V VCC VCC VOLTAGE WAVEFORMS SETUP AND HOLD TIMES VOLTAGE WAVEFORMS PULSE DURATION VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES Timing Input Data Input Input tPZL (see Note F) tPLZ (see Note G) tPHZ/tPZH 2 × VCC 2 × VCC 7 V 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 ≤ 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. E. Since this device has open-drain outputs, tPLZ and tPZL are the same as tpd. F. tPZL is measured at VCC/2. G. tPLZ is measured at VOL + 0.3 V. H. All parameters and waveforms are not applicable to all devices. 0 V 3 V 1.5 V tPHL 1.5 V 1.5 V 3 V 0 V 3.5 V VOL Input Output VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES 1.5 V 1.5 V tPLH SN54LVC07A, SN74LVC07A HEX BUFFERS/DRIVERS WITH OPEN-DRAIN OUTPUTS SCAS595O – OCTOBER 1997 – REVISED JULY 2005 V CC = 5 V ± 0.5 V Figure 4. Load Circuit and Voltage Waveforms 8 |
类似零件编号 - SN74LVC07A |
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类似说明 - SN74LVC07A |
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