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74LCX16245 Fiches technique(PDF) 1 Page - STMicroelectronics

No de pièce 74LCX16245
Description  Low voltage CMOS 16-bit bus transceiver (3-state) with 5V tolerant inputs and outputs
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74LCX16245 Fiches technique(HTML) 1 Page - STMicroelectronics

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February 2007
Rev 7
1/15
15
74LCX16245
Low voltage CMOS 16-bit bus transceiver (3-state)
with 5V tolerant inputs and outputs
Features
5V tolerant inputs and outputs
High speed:
–tPD = 4.5ns (Max) at VCC = 3V
Power down protection on inputs and outputs
Symmetrical output impedance:
–|IOH| = IOL = 24mA (Min) at VCC = 3V
PCI bus levels guaranteed at 24mA
Balanced propagation delays:
–tPLH ≅ tPHL
Operating voltage range:
–VCC (Opr) = 2.0V to 3.6V
Pin and function compatible with
74 series 16245
Latch-up performance exceeds
500mA (JESD 17)
ESD performance:
– HBM > 2000V
(MIL STD 883 method 3015); MM > 200V
Description
The 74LCX16245 is a low voltage CMOS 16 bit
bus transceiver (3-state) fabricated with sub-
micron silicon gate and double-layer metal wiring
C2MOS technology. It is ideal for low power and
high speed 3.3V applications; it can be interfaced
to 5V signal environment for both inputs and
outputs.
This IC is intended for two-way asynchronous
communication between data buses; the direction
of data transmission is determined by DIR input.
The two enable inputs nG can be used to disable
the device so that the buses are effectively
isolated.
It has same speed performance at 3.3V than 5V
AC/ACT family, combined with a lower power
consumption.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
All floating bus terminals during High Z State must
be held HIGH or LOW.
TSSOP48
www.st.com
Order codes
Part number
Package
Packaging
74LCX16245TTR
TSSOP48
Tape and reel


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