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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SN74ACT3631PCB датащи(PDF) 24 Page - Texas Instruments |
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SN74ACT3631PCB датащи(HTML) 24 Page - Texas Instruments |
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24 / 26 page  SN74ACT3631 512 × 36 CLOCKED FIRST-IN, FIRST-OUT MEMORY SCAS246G – AUGUST 1993 – REVISED APRIL 1998 24 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION 1.5 V 1.5 V 1.5 V 3 V 3 V GND GND th tsu VOLTAGE WAVEFORMS SETUP AND HOLD TIMES Timing Input Data, Enable Input 1.5 V 1.5 V 3 V 3 V GND GND High-Level Input Low-Level Input tw 1.5 V 1.5 V VOLTAGE WAVEFORMS PULSE DURATIONS tpd tpd Input 1.5 V 1.5 V 1.5 V 1.5 V 3 V GND VOH VOL In-Phase Output VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VOL VOH tPLZ ≈ 3 V tPHZ 1.5 V 1.5 V 3 V GND VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES tPZL 1.5 V ≈ 0 V 1.5 V tPZH Output Enable Low-Level Output High-Level Output From Output Under Test 30 pF (see Note A) 680 Ω 1100 Ω 5 V LOAD CIRCUIT NOTES: A. Includes probe and jig capacitance B. tPZL and tPZH are the same as ten. C. tPLZ and tPHZ are the same as tdis. Figure 16. Load Circuit and Voltage Waveforms |
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