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74LVC240A डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Octal buffer/line driver - Philips

भाग संख्या 74LVC240A
समारोह Octal buffer/line driver
मैन्युफैक्चरर्स Philips 
लोगो Philips लोगो 
पूर्व दर्शन
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<?=74LVC240A?> डेटा पत्रक पीडीएफ

74LVC240A pdf
Philips Semiconductors
Octal buffer/line driver with 5-volt
tolerant inputs/outputs; inverting (3-State)
Product specification
74LVC240A
FEATURES
5-volt tolerant inputs/outputs, for interfacing with 5-volt logic
Supply voltage range of 1.2V to 3.6V
Complies with JEDEC standard no. 8-1A
CMOS low power consumption
Direct interface with TTL levels
High impedance when VCC = 0V
DESCRIPTION
The 74LVC240A is a high-performance, low-power, low-voltage,
Si-gate CMOS device, superior to most advanced CMOS
compatible TTL families.
Inputs can be driven from either 3.3V or 5V devices. In 3-State
operation, outputs can handle 5V. These features allow the use of
these devices as translators in a mixed 3.3V/5V environment.
The ‘240A is an octal non-inverting buffer/line driver with 3-State
outputs. The 3-State outputs are controlled by the output enable
inputs 1OE and 2OE. A HIGH on nOE causes the outputs to
assume a high impedance OFF-state. Schmitt-trigger action at all
inputs makes the circuit highly tolerant for slower input rise and fall
times.
The ’240’ is functionally identical to the ’244’, but the ’244’ has
inverting outputs.
QUICK REFERENCE DATA
GND = 0 V; Tamb = 25°C; tr = tf v2.5 ns
SYMBOL
PARAMETER
CONDITIONS
tPHL/tPLH
Propagation delay
1An to 1Yn;
2An to 2Yn
CL = 50pF
VCC = 3.3V
CI Input capacitance
CPD
Power dissipation capacitance per
buffer
Notes 1 and 2
NOTE:
1. CPD is used to determine the dynamic power dissipation (PD in mW):
PD = CPD x VCC2 x fi + S (CL x VCC2 x fo) where:
fi = input frequency in MHz; CL = output load capacity in pF;
fo = output frequency in MHz; VCC = supply voltage in V;
S (CL x VCC2 x fo) = sum of outputs.
2. The condition is VI = GND to VCC
ORDERING INFORMATION
PACKAGES
20-Pin Plastic Small Outline (SO)
20-Pin Plastic Shrink Small Outline (SSOP) Type II
20-Pin Plastic Thin Shrink Small Outline (TSSOP) Type I
TEMPERATURE
OUTSIDE
RANGE
NORTH AMERICA
–40°C to +85°C 74LVC240A D
–40°C to +85°C 74LVC240A DB
–40°C to +85°C 74LVC240A PW
TYPICAL
3.5
5.0
20
NORTH AMERICA
74LVC240A D
74LVC240A DB
7LVC240APW DH
UNIT
ns
pF
pF
PKG. DWG. #
SOT163-1
SOT339-1
SOT360-1
1998 May 20
2 853-1981 19419

विन्यास 11 पेज
डाउनलोड[ 74LVC240A Datasheet.PDF ]


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