TC7MH238FK_07 TOSHIBA [Toshiba Semiconductor], TC7MH238FK_07 Datasheet

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TC7MH238FK_07

Manufacturer Part Number
TC7MH238FK_07
Description
3-to-8 Line Decoder
Manufacturer
TOSHIBA [Toshiba Semiconductor]
Datasheet
3-to-8 Line Decoder
decoder fabricated with silicon gate C
bipolar schottky TTL while maintaining the CMOS low power
dissipation.
determine which one of the outputs (Y0-Y7) will go high.
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 V 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 TC7MH238FK 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 C)
When enable input G1 is held low or either G2A or G2B is held
G1, G2A and G2B inputs are provided to ease cascade
An input protection circuit ensures that 0 to 5.5 V can be
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
pd
= 5.5 ns (typ.) (V
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
NIH
CC
= 4 μA (max) (Ta = 25°C)
= V
pLH
NIL
CC (opr)
CC
TC7MH238FK
2
MOS technology.
≈ t
= 5 V)
= 28% V
pHL
= 2~5.5 V
CC
(min)
1
Weight: 0.02 g (typ.)
TC7MH238FK
2007-10-19

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TC7MH238FK_07 Summary of contents

Page 1

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic 3-to-8 Line Decoder The TC7MH238FK is an advanced high speed CMOS 3-to-8 decoder fabricated with silicon gate C It achieves the high speed operation similar to equivalent bipolar schottky TTL while maintaining the ...

Page 2

Pin Assignment (top view GND 8 IEC Logic Symbol (1) Bin/Oct & (6) G1 ...

Page 3

System Diagram 1 A Select 2 B inputs Enable inputs 6 G1 Absolute Maximum Ratings Characteristics Supply voltage range DC input voltage DC output voltage Input diode current Output diode ...

Page 4

Electrical Characteristics DC Characteristics Characteristics Symbol High level V Input voltage Low level V High level V OH Output voltage Low level V Input leakage current I Quiescent supply current I CC Test Condition V (V) CC 2.0 ⎯ IH ...

Page 5

AC Characteristics (Input: t Characteristics Symbol Propagation delay time t pLH t pHL (A, B, C-Y) Propagation delay time t pLH t pHL (G1-Y) Propagation delay time t pLH t pHL ( 2 G -Y) Input capacitance C IN Power ...

Page 6

Package Dimensions Weight: 0.02 g (typ.) 6 TC7MH238FK 2007-10-19 ...

Page 7

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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