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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM3554 датащи(PDF) 6 Page - Texas Instruments |
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LM3554 датащи(HTML) 6 Page - Texas Instruments |
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6 / 47 page  t4 t2 t3 t5 t1 SCL SDA_IN SDA_OUT 6 LM3554 SNVS549C – JUNE 2009 – REVISED FEBRUARY 2016 www.ti.com Product Folder Links: LM3554 Submit Documentation Feedback Copyright © 2009–2016, Texas Instruments Incorporated Electrical Characteristics (continued) Unless otherwise specified, typical limits are for TA = 25°C, minimum and maximum limits in apply over the full operating ambient temperature range (–30°C ≤ TA ≤ +85°C), VIN = 3.6 V, and VHWEN = VIN. (1)(2) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN_TH VIN monitor trip threshold VIN falling, VIN monitor register = 0x01 (enabled with VIN_TH = 3.1 V) 2.95 3.09 3.23 V TX1/TORCH/GPIO1, STROBE, HWEN, ENVM/TX2/GPIO2 VOLTAGE VIL Input logic low 2.7 V ≤ VIN ≤ 5.5 V 0 0.4 V VIH Input logic high 2.7 V ≤ VIN ≤ 5.5 V 1.2 VIN V VOL Output logic low ILOAD = 3 mA, 2.7 V ≤ VIN ≤ 5.5 V 400 mV RTX1/TORC H Internal pulldown resistance at TX1/TORCH 300 k Ω RSTROBE Internal pulldown resistance at STROBE 300 k Ω I2C-COMPATIBLE VOLTAGE SPECIFICATIONS (SCL, SDA) VIL Input logic low 2.7 V ≤ VIN ≤ 5.5 V 0 0.4 V VIH Input logic high 2.7 V ≤ VIN ≤ 5.5 V 1.22 VIN V VOL Output logic low (SCL) ILOAD = 3 mA, 2.7 V ≤ VIN ≤ 5.5 V 400 mV 6.6 Timing Requirements See Figure 1. MIN NOM MAX UNIT 1 / t1 SCL clock frequency 400 kHz t2 Data in setup time to SCL high 100 ns t3 Data out stable after SCL low 0 ns t4 SDA low setup time to SCL low (start) 160 ns t5 SDA high hold time after SCL high (stop) 160 ns Figure 1. I2C Timing |
Аналогичный номер детали - LM3554_16 |
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Аналогичное описание - LM3554_16 |
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