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74ALVCH162245DGGPHILIPSN/a2768avai16-bit bus transceiver with direction pin and 30ohm termination resistor 3-State
74ALVCH162245DLPHILIPSN/a1522avai16-bit bus transceiver with direction pin and 30ohm termination resistor 3-State
74ALVCH162245DLPHIN/a1522avai16-bit bus transceiver with direction pin and 30ohm termination resistor 3-State


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74ALVCH162245DGG-74ALVCH162245DL
16-bit bus transceiver with direction pin and 30ohm termination resistor 3-State
Product specification 1998 Jun 29
IC24 Data Handbook
Philips Semiconductors Product specification
74ALVCH16224516-bit bus transceiver with direction pin and
30Ω termination resistor (3-State)
FEATURES
Wide supply voltage range of 1.2V to 3.6V Complies with JEDEC standard no. 8-1A CMOS low power consumption MULTIBYTETM flow-through standard pin-out architecture Low inductance multiple VCC and ground pins for minimum noise
and ground bounce Direct interface with TTL levels Bus hold on all data inputs Integrated 30Ω termination resistor
DESCRIPTION

The 74ALVCH162245 is a 16-bit transceiver featuring non-inverting
3-State bus compatible outputs in both send and receive directions.
The 74ALVCH162245 features two output enable (nOE) inputs for
easy cascading and two send/receive (nDIR) inputs for direction
control. nOE controls the outputs so that the buses are effectively
isolated. This device can be used as two 8-bit transceivers or one
16-bit transceiver.
The 74ALVCH162245 is designed with 30Ω series resistors in both
HIGH and LOW output states.
The 74ALVCH162245 has active bus hold circuitry which is provided
to hold unused or floating data inputs at a valid logic level. This
feature eliminates the need for external pull-up or pull-down
resistors.
PIN CONFIGURATION
QUICK REFERENCE DATA

GND = 0V; Tamb = 25°C; tr = tf ≤ 2.5ns
NOTES:
CPD is used to determine the dynamic power dissipation (PD in μW):
PD = CPD × VCC2 × fi +  (CL × VCC2 × fo) where: fi = input frequency in MHz; CL = output load capacitance in pF;
fo = output frequency in MHz; VCC = supply voltage in V;  (CL × VCC2 × fo) = sum of the outputs.
ORDERING INFORMATION
Philips Semiconductors Product specification
74ALVCH16224516-bit bus transceiver with direction pin and
30Ω termination resistor (3-State)
PIN DESCRIPTION
LOGIC SYMBOL
FUNCTION TABLE
LOGIC SYMBOL (IEEE/IEC)
BUS HOLD CIRCUIT
Philips Semiconductors Product specification
74ALVCH16224516-bit bus transceiver with direction pin and
30Ω termination resistor (3-State)
RECOMMENDED OPERATING CONDITIONS
ABSOLUTE MAXIMUM RATINGS

In accordance with the Absolute Maximum Rating System (IEC 134)
Voltages are referenced to GND (ground = 0V)
NOTE:
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
Philips Semiconductors Product specification
74ALVCH16224516-bit bus transceiver with direction pin and
30Ω termination resistor (3-State)
DC ELECTRICAL CHARACTERISTICS

Over recommended operating conditions. Voltage are referenced to GND (ground = 0 V).
NOTES:
All typical values are at Tamb = 25°C. Valid for data inputs of bus hold parts.
Philips Semiconductors Product specification
74ALVCH16224516-bit bus transceiver with direction pin and
30Ω termination resistor (3-State)
AC CHARACTERISTICS FOR VCC = 2.3V TO 2.7V RANGE

GND = 0V; tr = tf ≤ 2.0ns; CL = 30pF
NOTES:
All typical values are measured Tamb = 25°C. Typical value is measured at VCC = 2.5V
AC CHARACTERISTICS FOR VCC = 3.0V TO 3.6V RANGE AND VCC = 2.7V

GND = 0V; tr = tf ≤ 2.5ns; CL = 50pF
NOTES:
All typical values are measured Tamb = 25°C. Typical value is measured at VCC = 3.3V
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