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74VCX162827 Dataheets PDF



Part Number 74VCX162827
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description Low Voltage 20-Bit Buffer/Line Driver with 3.6V Tolerant Inputs and Outputs and 26 Series Resistors in the Outputs
Datasheet 74VCX162827 Datasheet74VCX162827 Datasheet (PDF)

74VCX162827 Low Voltage 20-Bit Buffer/Line Driver with 3.6V Tolerant Inputs and Outputs and 26Ω Series Resistors in the Outputs March 1998 Revised April 1999 74VCX162827 Low Voltage 20-Bit Buffer/Line Driver with 3.6V Tolerant Inputs and Outputs and 26Ω Series Resistors in the Outputs General Description The VCX162827 contains twenty non-inverting buffers with 3-STATE outputs to be employed as a memory and address driver, clock driver, or bus oriented transmitter/ receiver. The device is byte .

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74VCX162827 Low Voltage 20-Bit Buffer/Line Driver with 3.6V Tolerant Inputs and Outputs and 26Ω Series Resistors in the Outputs March 1998 Revised April 1999 74VCX162827 Low Voltage 20-Bit Buffer/Line Driver with 3.6V Tolerant Inputs and Outputs and 26Ω Series Resistors in the Outputs General Description The VCX162827 contains twenty non-inverting buffers with 3-STATE outputs to be employed as a memory and address driver, clock driver, or bus oriented transmitter/ receiver. The device is byte controlled. Each byte has NOR output enables for maximum control flexibility. The 74VCX162827 is designed for low voltage (1.65V to 3.6V) VCC applications with I/O capability up to 3.6V. The VCX162827 is also designed with 26Ω resistors in the outputs. The 74VCX162827 is fabricated with an advanced CMOS technology to achieve high speed operation while maintaining low CMOS power dissipation. Features s 1.65V–3.6V VCC supply operation s 3.6V tolerant inputs and outputs s 26Ω series resistors in outputs s tPD 3.4 ns max for 3.0V to 3.6V VCC 4.1 ns max for 2.3V to 2.7V VCC 8.2 ns max for 1.65V to 1.95V VCC s Power-off high impedance inputs and outputs s Supports live insertion and withdrawal (Note 1) s Static Drive (IOH/IOL) ±12 mA @ 3.0V VCC ±8 mA @ 2.3V VCC ±3 mA @ 1.65V VCC www.DataSheet4U.com s Uses patented noise/EMI reduction circuitry s Latch-up performance exceeds 300 mA s ESD performance: Human body model > 2000V Machine model > 200V Note 1: To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pull-up resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver. Ordering Code: Order Number 74VCX162827MTD Package Number MTD56 Package Description 56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide Devices also available in Tape and Reel. Specify by appending the suffix “X” to the ordering code. Logic Symbol Pin Descriptions Pin Names OEn I0–I19 O0–O19 Description Output Enable Input (Active LOW) Inputs Outputs © 1999 Fairchild Semiconductor Corporation DS500138.prf www.fairchildsemi.com 74VCX162827 Connection Diagram Truth Tables Inputs OE1 L L H X OE2 L L X H Inputs OE3 L L H X OE4 L L X H I0–I9 L H X X I0–I9 L H X X Outputs O0–O9 L H Z Z Outputs O10–O19 L H Z Z H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial (HIGH or LOW, inputs may not float) Z = High Impedance Functional Description The 74VCX162827 contains twenty non-inverting buffers with 3-STATE outputs. The device is byte controlled with each byte functioning identically, but independent of each other. The control pins may be shorted together to obtain full 20-bit operation. The 3-STATE outputs are controlled by Output Enable (OEn) inputs. When OE1, and OE2 are LOW, O0–O10 are in the 2-state mode. When either OE1 or OE2 are HIGH, the standard outputs are in the high impedance mode but this does not interfere with entering new data into the inputs. The s.


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