TC74LCX138FK TOSHIBA [Toshiba Semiconductor], TC74LCX138FK Datasheet

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TC74LCX138FK

Manufacturer Part Number
TC74LCX138FK
Description
Low-Voltage 3-to-8 Line Decoder with 5-V Tolerant Inputs and Outputs
Manufacturer
TOSHIBA [Toshiba Semiconductor]
Datasheet

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Low-Voltage 3-to-8 Line Decoder with 5-V Tolerant Inputs and Outputs
Designed for use in 3.3-V systems, it achieves high-speed
operation while maintaining the CMOS low-power dissipation.
but it could be used to interface to 5-V supply environment for
inputs.
determine which one of the outputs ( 0
When enable input G1 is held low or either
held high, decoding function is inhibited and all outputs go high.
connection and for use as an address decoder for memory
systems.
discharge.
Features
TC74LCX138F,TC74LCX138FN,TC74LCX138FT,TC74LCX138FK
The TC74LCX138 is a high-performance CMOS 3-to-8 decoder.
The device is designed for low-voltage (3.3 V) V
When the device is enabled, 3 binary select inputs (A, B and C)
G1,
All inputs are equipped with protection circuits against static
Low-voltage operation: V
High-speed operation: t
Ouput current: |I
Latch-up performance: −500 mA
Available in JEDEC SOP, JEITA SOP, TSSOP and
VSSOP (US)
Power-down protection provided on all inputs and outputs
Pin and function compatible with the 74 series
(74AC/VHC/HC/F/ALS/LS etc.) 138 type
G
2A
, and
G
2B
OH
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
|/I
inputs are provided to ease cascade
pd
OL
CC
= 6.0 ns (max) (V
= 24 mA (min) (V
= 2.0 to 3.6 V
Y - 7
Y ) will go low.
G
2A
CC
CC
CC
= 3.0 to 3.6 V)
or
= 3.0 V)
applications,
G
2B
1
is
Note: xxxFN (JEDEC SOP) is not available in
Weight
SOP16-P-300-1.27A
SOL16-P-150-1.27
TSSOP16-P-0044-0.65A
VSSOP16-P-0030-0.50
TC74LCX138F
TC74LCX138FN
TC74LCX138FT
TC74LCX138FK
TC74LCX138F/FN/FT/FK
Japan.
: 0.18 g (typ.)
: 0.12 g (typ.)
: 0.06 g (typ.)
: 0.02 g (typ.)
2007-10-19

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TC74LCX138FK Summary of contents

Page 1

... will go low 3 TC74LCX138F/FN/FT/FK Note: xxxFN (JEDEC SOP) is not available in Japan. TC74LCX138F TC74LCX138FN TC74LCX138FT TC74LCX138FK Weight SOP16-P-300-1.27A : 0.18 g (typ.) SOL16-P-150-1.27 : 0.12 g (typ.) TSSOP16-P-0044-0.65A : 0.06 g (typ.) VSSOP16-P-0030-0.50 : 0.02 g (typ.) 2007-10-19 ...

Page 2

Pin Assignment (top view GND 8 IEC Logic Symbol Bin/Oct ( ( ( (6) & ...

Page 3

System Diagram 1 A Select 2 B inputs Enable inputs 6 G1 Absolute Maximum Ratings (Note 1) Characteristics Power supply voltage DC input voltage DC output voltage Input diode current ...

Page 4

Operating Ranges (Note 1) Characteristics Power supply voltage Input voltage Output voltage Output current Operating temperature Input rise and fall time Note 1: The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs must ...

Page 5

AC Characteristics (Ta = −40 to 85°C) Characteristics Propagation delay time ( Propagation delay time (G1 Propagation delay time ( Output to output skew Note: Parameter guaranteed by design. ...

Page 6

AC Test Circuit AC Waveform Input Output Output Measure Figure 90% 1.5 V 10% 1 pLH pHL Figure pLH pHL ...

Page 7

Package Dimensions Weight: 0.18 g (typ.) TC74LCX138F/FN/FT/FK 7 2007-10-19 ...

Page 8

Package Dimensions (Note) Note: This package is not available in japan. Weight: 0.12 g (typ.) TC74LCX138F/FN/FT/FK 8 2007-10-19 ...

Page 9

Package Dimensions Weight: 0.06 g (typ.) TC74LCX138F/FN/FT/FK 9 2007-10-19 ...

Page 10

Package Dimensions Weight: 0.02 g (typ.) TC74LCX138F/FN/FT/FK 10 2007-10-19 ...

Page 11

RESTRICTIONS ON PRODUCT USE • The information contained herein is subject to change without notice. • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to ...

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