74VCX32244 Low Voltage 32-Bit Buffer/Line Driver with 3.6V Tolerant Inputs and Outputs
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74VCX32244G (pdf) |
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74VCX32244GX |
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74VCX32244 Low Voltage 32-Bit Buffer/Line Driver with 3.6V Tolerant Inputs and Outputs 74VCX32244 Low Voltage 32-Bit Buffer/Line Driver with 3.6V Tolerant Inputs and Outputs The VCX32244 contains thirty-two 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 nibble 4-bit controlled. Each nibble has separate 3-STATE control inputs which can be shorted together for 8-bit, 16-bit or full 32-bit operation. The 74VCX32244 is designed for low voltage 1.2V to 3.6V VCC applications with I/O capability up to 3.6V. The 74VCX32244 is fabricated with an advanced CMOS technology to achieve high speed operation while maintaining low CMOS power dissipation. s 1.2V to 3.6V VCC supply operation s 3.6V tolerant inputs and outputs s tPD ns max for 3.0V to 3.6V VCC s Power-off high impedance inputs and outputs s Supports live insertion and withdrawal Note 1 s Static Drive IOH/IOL ±24 mA 3.0V VCC s Uses patented noise/EMI reduction circuitry s Latch-up performance exceeds 300 mA s ESD performance: Human body model > 2000V Machine model > 200V s Packages in plastic Fine-Pitch Ball Grid Array FBGA 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 Package Number Package Description 74VCX32244G Note 2 Note 3 BGA96A 96-Ball Fine-Pitch Ball Grid Array FBGA , JEDEC MO-205, 5.5mm Wide Note 2 Ordering code “G” indicates Trays. Note 3 Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbol 2002 Fairchild Semiconductor Corporation DS500416 74VCX32244 Connection Diagram Top Thru View Pin Descriptions Pin Names Output Enable Input Active LOW Inputs Outputs FBGA Pin Assignments O0 OE1 OE2 O2 GND I2 O6 GND I6 O8 GND I8 O10 VCC O13 O12 GND I12 O14 O15 OE4 OE3 I15 O17 O16 OE5 OE6 I16 O19 018 GND I18 O21 O20 VCC O23 O22 GND I22 O25 O24 GND I24 O27 O26 VCC O29 O28 GND I28 O30 O31 OE8 OE7 I31 Truth Tables Inputs I0-I3 Outputs O0-O3 L H Z Inputs I4-I7 Outputs O4-O7 L H Z Inputs OE3 L H I8-I11 L H X Outputs Inputs OE4 L H I12-I15 L H X |
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