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DS1776 датащи(PDF) 4 Page - National Semiconductor (TI) |
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DS1776 датащи(HTML) 4 Page - National Semiconductor (TI) |
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4 / 11 page ![]() AC Electrical Characteristics V CC = 5V ± 10% (Unless otherwise specified) AC testing temp. groups: 1 = +25˚C, 2 = +125˚C, 3 = −55˚C Path Parameter Conditions Temp. Min Max Units Group B-TO-A PATH t PLH Propagation Delay B to A Waveform 1, 2 1, 2, 3 4.5 17 ns t PHL 617 ns t PZH Output Enable OEA to A Waveform 3, 4 1, 2, 3 4 17 ns t PZL 417 ns t PHZ Output Disable OEA to A Waveform 3, 4 1, 2, 3 2 12 ns t PLZ 213 ns A-TO-B PATH t PLH Propagation Delay A to B Waveform 1, 2 1, 3 2 13 ns 2 2 17 ns t PHL 1, 2, 3 2.5 13 ns t PLH Propagation Delay LE to B Waveform 1, 2 1, 3 2 16 ns 2 2 22 ns t PHL 1, 2, 3 2 16 ns t PLH Enable/Disable OEBn to B Waveform 1, 2 1, 3 2 13 ns 2 2 16 ns t PHL 1 3.5 14 ns 2 3.5 13 ns 3 3.5 16 ns t TLH Transition Time, B Side 1.3V to 1.7V 1, 3 0.5 5.5 ns 2 0.5 10 ns t THL 1.7V to 1.3V 1 0.5 5.5 ns 2 0.5 7 ns 3 0.5 10 ns SETUP/HOLD/PULSE WIDTH SPECS t S A to LE Setup Waveform 5 1, 2, 3 7 ns t H A to LE Hold Waveform 5 1, 2, 3 0 ns t W LE Pulse Width Low Waveform 5 1, 2, 3 12 ns Description PIN DESCRIPTION TABLE 1. Pin Description Symbol Pins Type Name and Function A0 3 I/O A1 5 I/O A2 6 I/O A3 7 I/O TTL Level, latched input/TRI-STATE output (with V X control option) A4 9 I/O A5 10 I/O A6 12 I/O A7 13 I/O www.national.com 4 |
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