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74CBTLV3244 Arkusz danych(PDF) 4 Page - NXP Semiconductors |
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74CBTLV3244 Arkusz danych(HTML) 4 Page - NXP Semiconductors |
4 / 18 page 74CBTLV3244 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 2 — 15 December 2011 4 of 18 NXP Semiconductors 74CBTLV3244 8-bit bus switch with 4-bit output enables 5.2 Pin description 6. Functional description [1] H = HIGH voltage level; L = LOW voltage level; Z = high-impedance OFF-state. 7. Limiting values [1] The minimum input and output voltage ratings may be exceeded if the input and output current ratings are observed. [2] For SSOP20 and TSSOP20 packages: above 60 C the value of P tot derates linearly at 5.5 mW/K. For DHVQFN20 packages: above 60 C the value of P tot derates linearly at 4.5 mW/K. Table 2. Pin description Symbol Pin Description 1OE, 2OE 1, 19 output enable input (active LOW) 1A1 to 1A4 2, 4, 6, 8 data input/output (A port) 2B1 to 2B4 9, 7, 5, 3 data input/output (A port) GND 10 ground (0 V) 2A1 to 2A4 11, 13, 15, 17 data input/output (B port) 1B1 to 1B4 18, 16, 14, 12 data input/output (B port) VCC 20 positive supply voltage Table 3. Function selection[1] Input Input/output nOE nAn, nBn LnAn = nBn HZ Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Min Max Unit VCC supply voltage 0.5 +4.6 V VI input voltage [1] 0.5 +4.6 V VSW switch voltage enable and disable mode [1] 0.5 VCC + 0.5 V IIK input clamping current VI < 0.5 V 50 - mA ISK switch clamping current VI < 0.5 V 50 - mA ISW switch current VSW = 0 V to VCC - 128 mA ICC supply current - +100 mA IGND ground current 100 - mA Tstg storage temperature 65 +150 C Ptot total power dissipation Tamb = 40 Cto+125 C [2] - 500 mW |
Podobny numer części - 74CBTLV3244_15 |
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Podobny opis - 74CBTLV3244_15 |
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