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Fairchild Semiconductor - Low Voltage 18-Bit Universal Bus Driver with 3.6V Tolerant Outputs and 26 Series Resistors in Outputs

Numéro de référence 74VCXF162835
Description Low Voltage 18-Bit Universal Bus Driver with 3.6V Tolerant Outputs and 26 Series Resistors in Outputs
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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74VCXF162835 fiche technique
October 1999
Revised November 2000
74VCXF162835
Low Voltage 18-Bit Universal Bus Driver with 3.6V
Tolerant Outputs and 26Series Resistors in Outputs
General Description
Features
The VCXF162835 low voltage 18-bit universal bus driver s Compatible with PC133 DIMM module specifications
combines D-type latches and D-type flip-flops to allow data
flow in transparent, latched and clocked modes.
Data flow is controlled by output-enable (OE), latch-enable
(LE), and clock (CLK) inputs. The device operates in
Transparent Mode when LE is held HIGH. The device
s 1.65V–3.6V VCC specifications provided
s 3.6V tolerant outputs
s 26series resistors in outputs
s tPD (CLK to On)
operates in clocked mode when LE is LOW and CLK is tog-
gled. Data transfers from the Inputs (In) to Outputs (On) on
a Positive Edge Transition of the Clock. When OE is LOW,
the output data is enabled. When OE is HIGH the output
port is in a high impedance state.
The VCXF162835 is designed with 26series resistors in
the outputs. This design reduces noise in applications such
as memory address drivers, clock drivers, and bus trans-
3.2 ns max for 3.0V to 3.6V VCC
4.1 ns max for 2.3V to 2.7V VCC
7.4 ns max for 1.65V to 1.95V VCC
s Power-down high impedance outputs
s Static Drive (IOH/IOL)
±12 mA @ 3.0V VCC
±8 mA @ 2.3V VCC
ceivers/transmitters.
±3 mA @ 1.65V VCC
The 74VCXF162835 is designed for low voltage (1.65V to
3.6V) VCC applications with I/O capability up to 3.6V.
s Latchup performance exceeds 300 mA
s ESD performance:
The 74VCXF162835 is fabricated with an advanced CMOS
Human body model > 2000V
technology to achieve high speed
ing low CMOS power dissipation.
operation
while
maintawinw-w.DataSheet4MU.caocmhine
model
>200V
Ordering Code:
Order Number
Package
Number
Package Description
74VCXF162835MTD MTD56 56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
[TUBES]
74VCXF162835MTX MTD56 56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
(Note 1)
[TAPE and REEL]
Note 1: Use this Order Number to receive devices in Tape and Reel.
© 2000 Fairchild Semiconductor Corporation DS500259
www.fairchildsemi.com

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