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74AHC9541APW Dataheets PDF



Part Number 74AHC9541APW
Manufacturers nexperia
Logo nexperia
Description Octal buffer/line driver
Datasheet 74AHC9541APW Datasheet74AHC9541APW Datasheet (PDF)

74AHC9541A Octal buffer/line driver; 3-state Rev. 1 — 28 June 2017 Product data sheet 1 General description The 74AHC9541A is an 8-bit buffer/line driver with 3-state outputs and Schmitt trigger inputs. The device features an output enable input (OE) and select input (S). A HIGH on OE causes the associated outputs to assume a high-impedance OFF-state. A LOW on the select input S causes the buffer/line driver to act as an inverter. Inputs are overvoltage tolerant. This feature allows the use o.

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74AHC9541A Octal buffer/line driver; 3-state Rev. 1 — 28 June 2017 Product data sheet 1 General description The 74AHC9541A is an 8-bit buffer/line driver with 3-state outputs and Schmitt trigger inputs. The device features an output enable input (OE) and select input (S). A HIGH on OE causes the associated outputs to assume a high-impedance OFF-state. A LOW on the select input S causes the buffer/line driver to act as an inverter. Inputs are overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments. The data (An), select (S) and output enable (OE) inputs include Schmitt trigger inputs, capable of transforming slowly changing input signals into sharply defined, jitter-free output signals. This device is fully specified for partial Power-down applications using IOFF. The IOFF circuitry disables the output, preventing the damaging backflow current through the device when it is powered down. 2 Features and benefits • Wide supply voltage range from 1.8 V to 5.5 V • Typical tpd of 5.1 ns at 5 V • Typical VOL(p) < 0.8 V at VCC = 3.3 V, Tamb = 25 °C • Typical VOH(v) > 2.3 V at VCC = 3.3 V, Tamb = 25 °C • Supports mixed-mode voltage operation on all ports • IOFF circuitry provides partial Power-down mode operation • Latch-up performance exceeds 250 mA per JESD 78 Class II • ESD protection: – HBM ANSI/ESDA/JEDEC JS-001 Class 2 exceeds 3 kV – MM JESD22-A115-A exceeds 150 V – CDM JESD22-C101E exceeds 2 kV • Specified from -40 °C to +85 °C and from -40 °C to +125 °C 3 Ordering information Table 1. Ordering information Type number Package Temperature range 74AHC9541APW -40 °C to +125 °C Name TSSOP20 Description plastic thin shrink small outline package; 20 leads; body width 4.4 mm Version SOT360-1 Nexperia 74AHC9541A Octal buffer/line driver; 3-state 4 Functional diagram 2 A0 3 A1 4 A2 5 A3 6 A4 7 A5 8 A6 9 A7 1S Figure 1. Logic symbol 19 OE 5 Pinning information Y0 18 Y1 17 Y2 16 Y3 15 Y4 14 Y5 13 Y6 12 Y7 11 aaa-026893 5.1 Pinning S1 A0 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 GND 10 Figure 2. Pin configuration TSSOP20 74AHC9541A 20 VCC 19 OE 18 Y0 17 Y1 16 Y2 15 Y3 14 Y4 13 Y5 12 Y6 11 Y7 aaa-026894 74AHC9541A Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 1 — 28 June 2017 © Nexperia B.V. 2017. All rights reserved. 2 / 17 Nexperia 74AHC9541A Octal buffer/line driver; 3-state 5.2 Pin description Table 2. Pin description Symbol S A0 to A7 GND Y0 to Y7 OE VCC Pin 1 2, 3, 4, 5, 6, 7, 8, 9 10 18, 17, 16, 15, 14, 13, 12, 11 19 20 Description select input (active LOW) data input ground (0 V) data output output enable input (active LOW) supply voltage 6 Functional description Table 3. Functional table H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state. Control Input Output OE S An Yn H X X Z L L L H L L H L L H L L L H H H 74AHC9541A Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 1 — 28 June 2017 © Nexperia B.V. 2017. All rights reserved. 3 / 17 Nexperia 74AHC9541A Octal buffer/line driver; 3-state 7 Limiting values 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 VI input voltage VO output voltage active mode power-down or 3-state mode -0.5 [1] -0.5 [2] [3] -0.5 [2] -0.5 +7.0 V +7.0 V VCC + 0.5 V +7.0 V IIK input clamping current VI < 0 V -50 - mA IOK output clamping current VO < 0 V -50 - mA IO output current VO = 0 V to VCC - ±50 mA ICC supply current - 100 mA IGND ground current -100 - mA Tstg storage temperature Ptot total power dissipation Tamb = -40 °C to +125 °C -65 [4] - +150 °C 500 mW [1] The minimum input voltage ratings may be exceeded if the input current ratings are observed. [2] The output voltage ratings may be exceeded if the output current ratings are observed. [3] This value is limited to 7.0 V maximum. [4] For TSSOP20 package: above 100 °C the value of Ptot derates linearly with 10 mW/K. 8 Recommended operating conditions Table 5. Recommended operating conditions Voltages are referenced to GND (ground = 0 V). Symbol Parameter VCC supply voltage VI input voltage VO output voltage Tamb Δt/ΔV ambient temperature input transition rise and fall rate Conditions active mode power-down or 3-state mode VCC = 2.3 V to 2.7 V VCC = 3.0 V to 3.6 V VCC = 4.5 V to 5.5 V Min Max Unit 1.8 5.5 V 0 5.5 V 0 VCC V 0 5.5 V -40 +125 °C - 50 ms/V - 20 ms/V - 1 ms/V 74AHC9541A Product data sheet All information provided in this document is subject to legal disclaimers. Rev. 1 — 28 June 2017 © Nexperia B.V. 2017. All rights reserved. 4 / 17 Nexperia 74AHC9541A Octal buffer/li.


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