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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCF8576DT датащи(PDF) 28 Page - NXP Semiconductors |
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PCF8576DT датащи(HTML) 28 Page - NXP Semiconductors |
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28 / 41 page  2004 Dec 22 28 Philips Semiconductors Product specification Universal LCD driver for low multiplex rates PCF8576D 10 DC CHARACTERISTICS VDD = 1.8 to 5.5 V; VSS =0V;VLCD = 2.5 to 6.5 V; Tamb = −40 to +85 °C; unless otherwise specified. Notes 1. VLCD > 3 V for 1⁄3 bias. 2. LCD outputs are open-circuit; inputs at VSS or VDD; external clock with 50% duty factor; I2C-bus inactive. 3. When tested, I2C pins SCL and SDA have no diode to VDD and may be driven according to the Vi2 limiting values given in Chapter 8. Also see Fig.24. 4. Periodically sampled, not 100% tested. 5. Outputs measured one at a time. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supplies VDD supply voltage 1.8 − 5.5 V VLCD LCD supply voltage note 1 2.5 − 6.5 V IDD supply current note 2; fCLK = 1536 Hz − 820 µA ILCD LCD supply current note 2; fCLK = 1536 Hz − 24 60 µA Logic VIL LOW-level input voltage CLK, SYNC, OSC, A0 to A2 and SA0 VSS − 0.3VDD V VIH HIGH-level input voltage CLK, SYNC, OSC, A0 to A2 and SA0 0.7VDD − VDD V VIL2 LOW-level input voltage SCL, SDA VSS − 0.3VDD V VIH2 HIGH-level input voltage SCL, SDA note 3 0.7VDD − VDD V IOL1 LOW-level output current CLK, SYNC VOL = 0.4 V; VDD =5V 1 −− mA IOH1 HIGH-level output current CLK VOH = 4.6 V; VDD =5V −1 −− mA IOL2 LOW-level output current SDA VOL = 0.4 V; VDD =5V 3 −− mA IL1 leakage current CLK, SCL, SDA, A0 to A2 and SA0 VI =VDD or VSS −1 − +1 µA IL2 leakage current OSC VI =VDD −1 − +1 µA VPOR power-on reset voltage level 1.0 1.3 1.6 V CI input capacitance note 4 −− 7pF LCD outputs VBP DC voltage tolerance BP0 to BP3 −100 − +100 mV VS DC voltage tolerance S0 to S39 −100 − +100 mV RBP output resistance BP0 to BP3 note 5; VLCD =5V − 1.5 − k Ω RS output resistance S0 to S39 note 5; VLCD =5V − 6.0 − k Ω |
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