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74LCXHR162245TTR View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
74LCXHR162245TTR LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER WITH 5V TOLERANT INPUTS AND OUTPUT (3-STATE) ST-Microelectronics
STMicroelectronics ST-Microelectronics
74LCXHR162245TTR Datasheet PDF : 10 Pages
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74LCXHR162245
LOW VOLTAGE CMOS 16-BIT BUS TRANSCEIVER
WITH 5V TOLERANT INPUTS AND OUTPUT (3-STATE)
s 5V TOLERANT INPUTS AND OUTPUTS
s HIGH SPEED:
tPD = 4.7 ns (MAX.) at VCC = 3V
s POWER DOWN PROTECTION ON INPUTS
AND OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 12mA (MIN) at VCC = 3V
s PCI BUS LEVELS GUARANTEED AT 12 mA
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s OPERATING VOLTAGE RANGE:
VCC(OPR) = 2.0V to 3.6V (1.5V Data
Retention)
s BUS HOLD PROVIDED ON BOTH SIDES
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 16245
s LATCH-UP PERFORMANCE EXCEEDS
500mA (JESD 17)
s ESD PERFORMANCE:
HBM > 2000V (MIL STD 883 method 3015);
MM > 200V
DESCRIPTION
The 74LCXHR162245 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 isolat-
ed.
Bus hold on data inputs is provided in order to
eliminate the need for external pull-up or
pull-down resistor.
All outputs, which are designed to sink up to
12mA, include 26resistors to reduce overshoot
and undershoot.
All inputs and outputs are equipped with protec-
tion circuits against static discharge, giving them
2KV ESD immunity and transient excess voltage.
TSSOP
ORDER CODES
PACKAGE
TUBE
TSSOP
PIN CONNECTION
T&R
74LCXHR162245TTR
July 2003
1/10
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