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ST7585 데이터시트(PDF) 43 Page - Sitronix Technology Co., Ltd. |
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ST7585 데이터시트(HTML) 43 Page - Sitronix Technology Co., Ltd. |
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43 / 51 page ![]() ST7585 Ver 1.0c 43/51 2009/04/14 SERIAL INTERFACE (3-Line Interface) First bit Last bit (VDD1 = 3.3V , Ta =25 ° C) Item Signal Symbol Condition Min. Max. Unit Serial clock period tSCYC 120 — SCLK “H” pulse width tSHW 60 — SCLK “L” pulse width SCLK tSLW 60 — Data setup time tSDS 20 — Data hold time SDA tSDH 10 — CSB-SCLK time tCSS 20 — CSB-SCLK time CSB tCSH 130 — ns (VDD1 = 2.8V , Ta =25 ° C) Item Signal Symbol Condition Min. Max. Unit Serial clock period tSCYC 180 — SCLK “H” pulse width tSHW 90 — SCLK “L” pulse width SCLK tSLW 90 — Data setup time tSDS 30 — Data hold time SDA tSDH 20 — CSB-SCLK time tCSS 30 — CSB-SCLK time CSB tCSH 160 — ns (VDD1 = 1.8V , Ta =25 ° C) Item Signal Symbol Condition Min. Max. Unit Serial clock period tSCYC 240 — SCLK “H” pulse width tSHW 120 — SCLK “L” pulse width SCLK tSLW 120 — Data setup time tSDS 60 — Data hold time SDA tSDH 50 — CSB-SCLK time tCSS 40 — CSB-SCLK time CSB tCSH 190 — ns *1 The input signal rise and fall time (tr, tf) are specified at 15 ns or less. *2 All timing is specified using 20% and 80% of VDD1 as the standard. |
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