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Fairchild Semiconductor - Low Voltage 16-Bit Transparent Latch with 3.6V Tolerant Inputs and Outputs and 26 Series Resistors in Outputs

Numéro de référence 74VCX162373
Description Low Voltage 16-Bit Transparent Latch with 3.6V Tolerant Inputs and Outputs and 26 Series Resistors in Outputs
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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74VCX162373 fiche technique
January 2000
Revised January 2000
74VCX162373
Low Voltage 16-Bit Transparent Latch
with 3.6V Tolerant Inputs and Outputs
and 26Series Resistors in Outputs
General Description
The VCX162373 contains sixteen non-inverting latches
with 3-STATE outputs and is intended for bus oriented
applications. The device is byte controlled. The flip-flops
appear to be transparent to the data when the Latch enable
(LE) is HIGH. When LE is LOW, the data that meets the
setup time is latched. Data appears on the bus when the
Output Enable (OE) is LOW. When OE is HIGH, the out-
puts are in a high impedance state.
The VCX162373 is also designed with 26resistors in the
outputs. This design reduces line noise in applications
such as memory address drivers, clock drivers and bus
transceivers/transmitters.
The 74VCX162373 is designed for low voltage (1.65V to
3.6V) VCC applications with I/O compatibility up to 3.6V.
The 74VCX162373 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing low CMOS power dissipation.
Features
s 1.65V–3.6V VCC supply operation
s 3.6V tolerant inputs and outputs
s 26series resistors in outputs
s tPD (In to On)
3.3 ns max for 3.0V to 3.6V VCC
4.5 ns max for 2.3V to 2.7V VCC
9.0 ns max for 1.65V to 1.95V VCC
s Power-off high impedance inputs and outputs
s Support 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
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:
Ordering Number
Package
Number
Package Description
74VCX162373MTD
MTD48
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
Pin Descriptions
Pin Names
OEn
LEn
I0–I15
O0–O15
Description
Output Enable Input (Active LOW)
Latch Enable Input
Inputs
Outputs
© 2000 Fairchild Semiconductor Corporation DS500236
www.fairchildsemi.com

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