tc74vhc238f TOSHIBA Semiconductor CORPORATION, tc74vhc238f Datasheet

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tc74vhc238f

Manufacturer Part Number
tc74vhc238f
Description
3-to-8 Line Decoder
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet

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3-to-8 Line Decoder
DECODER fabricated with silicon gate C
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
C) determine which one of the outputs (Y0-Y7) will go High.
held high, decoding function is inhibited and all outputs go Low.
connection and for use as an address decoder for memory
systems.
applied to the input pins without regard to the supply voltage.
This device can be used to interface 5 to 3 V systems and two
supply systems such as battery back up. This circuit prevents
device destruction due to mismatched supply and input voltages.
Features
The TC74VHC238 is an advanced high speed CMOS 3-to-8
It achieves the high speed operation similar to equivalent
When the device is enabled, 3 Binary Select inputs (A, B and
When enable input G1 is held low or either
G1
An input protection circuit ensures that 0 to 5.5 V can be
TC74VHC238F,TC74VHC238FN,TC74VHC238FT,TC74VHC238FK
High speed: t
Low power dissipation: I
High noise immunity: V
Power down protection is provided on all inputs.
Balanced propagation delays: t
Wide operating voltage range: V
Pin and function compatible with 74ALS238
G
2
A
, and
pd
G
= 5.5 ns (typ.) at V
2B
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
inputs are provided to ease cascade
Weight
SOP16-P-300-1.27A
SOP16-P-300-1.27
SOL16-P-150-1.27
TSSOP16-P-0044-0.65A : 0.06 g (typ.)
VSSOP16-P-0030-0.50
NIH
CC
= 4 μA (max) at Ta = 25°C
= V
pLH
NIL
CC (opr)
CC
∼ − t
= 28% V
2
= 5 V
pHL
MOS technology.
= 2 to 5.5 V
G
CC
2
A
(min)
: 0.18 g (typ.)
: 0.18 g (typ.)
: 0.13 g (typ.)
: 0.02 g (typ.)
or
G
1
2B
is
Note:
TC74VHC238F
TC74VHC238FN
TC74VHC238FT
TC74VHC238FK
TC74VHC238F/FN/FT/FK
xxxFN (JEDEC SOP) is not available in
Japan.
2007-01-15

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tc74vhc238f Summary of contents

Page 1

... SOL16-P-150-1.27 TSSOP16-P-0044-0.65A : 0.06 g (typ.) VSSOP16-P-0030-0.50 MOS technology 28% V (min) NIL CC ∼ − t pLH pHL = (opr) : 0.18 g (typ.) : 0.18 g (typ.) : 0.13 g (typ.) : 0.02 g (typ.) 1 TC74VHC238F/FN/FT/FK Note: xxxFN (JEDEC SOP) is not available in Japan. TC74VHC238F TC74VHC238FN TC74VHC238FT TC74VHC238FK 2007-01-15 ...

Page 2

... TC74VHC238F/FN/FT/FK DMUX (1) (15 (2) (14 (3) (13 (12 (11 & (6) (10 (4) ( (5) ( Selected Output ...

Page 3

... Symbol Rating V 2 OUT CC T − opr 0 to 100 (V = 3.3 ± 0 dt/ ± 0 GND TC74VHC238F/FN/FT/ Data outputs Unit ° ...

Page 4

... μ GND IN 5 GND 5 TC74VHC238F/FN/FT/ − 25°C 85°C Min Typ. Max Min Max 1.50 1.50 ― ― ― V × V × ― ― ― 0.7 0.7 0.50 0.50 ― ― ― V × ― ...

Page 5

... Test Condition V (V) C (pF 3.3 ± 0.3 50 ― 15 5.0 ± 0 3.3 ± 0.3 50 ― 15 5.0 ± 0 3.3 ± 0.3 50 ― 15 5.0 ± 0.5 50 ― (Note) · TC74VHC238F/FN/FT/ − 25°C 85°C Min Typ. Max Min Max ― 8.0 12.3 1.0 14.5 ― 10.5 15.8 1.0 18.0 ― 5.5 8.1 1.0 9.5 ― 7.0 10.1 1.0 11.5 ― 8.1 12.8 1.0 15.0 ― 10.6 16.3 1.0 18.5 ― ...

Page 6

... Package Dimensions Weight: 0.18 g (typ.) TC74VHC238F/FN/FT/FK 6 2007-01-15 ...

Page 7

... Package Dimensions Weight: 0.18 g (typ.) TC74VHC238F/FN/FT/FK 7 2007-01-15 ...

Page 8

... Package Dimensions (Note) Note: This package is not available in Japan. Weight: 0.13 g (typ.) TC74VHC238F/FN/FT/FK 8 2007-01-15 ...

Page 9

... Package Dimensions Weight: 0.06 g (typ.) TC74VHC238F/FN/FT/FK 9 2007-01-15 ...

Page 10

... Package Dimensions Weight: 0.02 g (typ.) TC74VHC238F/FN/FT/FK 10 2007-01-15 ...

Page 11

... Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. TC74VHC238F/FN/FT/FK 11 20070701-EN 2007-01-15 ...

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