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74VCX162835 Datasheet(PDF) 1 Page - Fairchild Semiconductor

No. de Pieza. 74VCX162835
Descripción  Low Voltage 18-Bit Universal Bus Driver with 3.6V Tolerant Inputs/Outputs and 26Ω Series Resistors in Outputs
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Fabricante  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
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74VCX162835 Datasheet(HTML) 1 Page - Fairchild Semiconductor

   
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© 2000 Fairchild Semiconductor Corporation
DS500181
www.fairchildsemi.com
October 1998
Revised April 2000
74VCX162835
Low Voltage 18-Bit Universal Bus Driver with
3.6V Tolerant Inputs/Outputs
and 26
Ω Series Resistors in Outputs
General Description
The VCX162835 low voltage 18-bit universal bus driver
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
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 VCX162835 is designed with 26
Ω series resistors in
the outputs. This design reduces noise in applications such
as memory address drivers, clock drivers, and bus trans-
ceivers/transmitters.
The 74VCX162835 is designed for low voltage (1.65V to
3.6V) VCC applications with I/O capability up to 3.6V.
The 74VCX162835 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing low CMOS power dissipation.
Features
s Compatible with PC100 DIMM module specifications
s 1.65V–3.6V VCC specifications provided
s 3.6V tolerant inputs and outputs
s 26
Ω series resistors in outputs
s tPD (CP to On)
4.2ns max for 3.0V to 3.6V VCC
5.2ns max for 2.3V to 2.7V VCC
9.2ns max for 1.65V to 1.95V VCC
s Power-down high impedance inputs and outputs
s Supports live insertion/withdrawal (Note 1)
s Static Drive (IOH/IOL)
±12mA @ 3.0V V
CC
±8 mA @ 2.3V V
CC
±3 mA @ 1.65V V
CC
s Latchup 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 pulldown resistor; the minimum
value of the resistor is determined by the current sourcing capability of the
driver.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Order Number
Package Number
Package Description
74VCX162835MTD
MTD56
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide


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