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74VHC244 Datasheet

Part Number 74VHC244
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description OCTAL BUS BUFFER
Datasheet 74VHC244 Datasheet74VHC244 Datasheet (PDF)

® 74VHC244 OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED) s s s s s s s s s s HIGH SPEED: tPD = 3.9 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 4 µA (MAX.) at TA = 25 oC HIGH NOISE IMMUNITY: VNIH = VNIL = 28% VCC (MIN.) POWER DOWN PROTECTION ON INPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8 mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 5.5V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 244 IMPROVED LATCH-UP IMMUNITY LOW NOIS.

  74VHC244   74VHC244






Part Number 74VHC244
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description Octal Buffer/Line Driver
Datasheet 74VHC244 Datasheet74VHC244 Datasheet (PDF)

74VHC244 Octal Buffer/Line Driver with 3-STATE Outputs November 1992 Revised April 2005 74VHC244 Octal Buffer/Line Driver with 3-STATE Outputs General Description The VHC244 is an advanced high speed CMOS octal bus buffer fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. The VHC244 is a non-inverting 3-STATE buffer having two active-LOW output enables. These devices are de.

  74VHC244   74VHC244







Part Number 74VHC244
Manufacturers nexperia
Logo nexperia
Description Octal buffer/line driver
Datasheet 74VHC244 Datasheet74VHC244 Datasheet (PDF)

74VHC244; 74VHCT244 Octal buffer/line driver; 3-state Rev. 01 — 17 August 2009 Product data sheet 1. General description The 74VHC244; 74VHCT244 are a high-speed Si-gate CMOS devices. The 74VHC244; 74VHCT244 have octal non-inverting buffer/line drivers with 3-state outputs. The 3-state outputs are controlled by the output enable inputs (nOE). A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. 2. Features I Balanced propagation delays I All inputs have a Schmitt-trigger ac.

  74VHC244   74VHC244







OCTAL BUS BUFFER

® 74VHC244 OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED) s s s s s s s s s s HIGH SPEED: tPD = 3.9 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 4 µA (MAX.) at TA = 25 oC HIGH NOISE IMMUNITY: VNIH = VNIL = 28% VCC (MIN.) POWER DOWN PROTECTION ON INPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8 mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 5.5V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 244 IMPROVED LATCH-UP IMMUNITY LOW NOISE VOLP = 0.9V (Max.) M (Micro Package) T (TSSOP Package) ORDER CODES : 74VHC244M 74VHC244T DESCRIPTION The 74VHC244 is an advanced high speed CMOS OCTAL BUS BUFFER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. G output enable governs four BUS BUFFERs. This device is designed to be used with 3 state memory address drivers, etc. Power down protection is provided on all inputs and 0 to 7V can be accepted on inputs with no regard to the supply voltage. This device can be used to interface 5V to 3V. All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS June 1999 1/8 74VHC244 INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1 2, 4,6, 8 9, 7,5, 3 11, 13, 15, 17 18, 16, 14, 12 19 10 20 SYMBOL 1G 1A1 to 1A4 2Y1 to 2Y4 2A1 to 2A4 1Y1 to 1Y4 2G GND VCC NAME AND FUNCT ION Output Enable Input Data Inputs Data Out.


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