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74LCX16244 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. 74LCX16244
Description  Low voltage CMOS 16-bit bus buffer (3-state) with 5V tolerant inputs and outputs
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

74LCX16244 Datasheet(HTML) 1 Page - STMicroelectronics

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February 2007
Rev 6
Low voltage CMOS 16-bit bus buffer (3-state)
with 5V tolerant inputs and outputs
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 16244
Latch-up performance exceeds
500mA (JESD 17)
ESD performance:
– HBM > 2000V
(MIL STD 883 method 3015); MM > 200V
The 74LCX16244 is a low voltage CMOS 16 bit
bus buffer (non-inverted) 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
Any nG output control governs four BUS
BUFFERS. Output Enable input (nG) tied together
gives full 16-bit operation.
When nG is LOW, the outputs are on. When nG is
HIGH, the output are in high impedance state.
This device is designed to be used with 3 state
memory address drivers, etc.
It has same speed performance at 3.3V than 5V
AC/ACT family, combined with a lower power
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
Order codes
Part number
Tape and reel

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