TC74HC148AP(F) Toshiba, TC74HC148AP(F) Datasheet

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TC74HC148AP(F)

Manufacturer Part Number
TC74HC148AP(F)
Description
Manufacturer
Toshiba
Datasheet

Specifications of TC74HC148AP(F)

Lead Free Status / RoHS Status
Compliant
8-to-3 Line Priority Encoder
ENCODER fabricated with silicon gate C2MOS technology.
LSTTL while maintaining the CMOS low power dissipation.
low logic level.
eight input signals and outputs the corresponding signal position
in binaly code.
cascade without using external circuits.
discharge or transient excess voltage.
Features
Pin Assignment
The TC74HC148A is a high speed CMOS 8-to-3 LINE
It achieves the high speed operation similar to equivalent
All data inputs and outputs of these encoders are active at the
The encoder detects a low level of the highest order among
Enable Input EI and Enable Output EO are used to easily
All inputs are equipped with protection circuits against static
High speed: t
Low power dissipation: I
High noise immunity: V
Output drive capability: 10 LSTTL loads
Symmetrical output impedance: |I
Balanced propagation delays: t
Wide operating voltage range: V
Pin and function compatible with 74LS148
TC74HC148AP,TC74HC148AF
pd
= 15 ns (typ.) at V
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
NIH
CC
= 4 μA (max) at Ta = 25°C
= V
pLH
NIL
CC
CC
OH
∼ − t
(opr) = 2 to 6 V
= 28% V
= 5 V
| = I
pHL
OL
CC
= 4 mA (min)
(min)
1
Weight
DIP16-P-300-2.54A
SOP16-P-300-1.27A
TC74HC148AP
TC74HC148AF
TC74HC148AP/AF
: 1.00 g (typ.)
: 0.18 g (typ.)
2007-10-01

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TC74HC148AP(F) Summary of contents

Page 1

... TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74HC148AP,TC74HC148AF 8-to-3 Line Priority Encoder The TC74HC148A is a high speed CMOS 8-to-3 LINE ENCODER fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. ...

Page 2

IEC Logic Symbol Truth Table Inputs ...

Page 3

... Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook (“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). Note 2: 500 mW in the range − ...

Page 4

Operating Ranges (Note) Characteristics Supply voltage Input voltage Output voltage Operating temperature Input rise and fall time Note: The operating ranges must be maintained to ensure the normal operation of the device. Unused inputs must be tied to either VCC ...

Page 5

AC Characteristics = 15 pF Characteristics Output transition time Propagation delay time (IN-A0, A1, A2) Propagation delay time (IN-EO, GS) Propagation delay time (EI-EO) Propagation delay time (EI-GS) Propagation delay time (EI-A0, A1, A2 pF, ...

Page 6

Typical Application TC74HC148AP/AF 6 2007-10-01 ...

Page 7

Package Dimensions Weight: 1.00 g (typ.) TC74HC148AP/AF 7 2007-10-01 ...

Page 8

Package Dimensions Weight: 0.18 g (typ.) TC74HC148AP/AF 8 2007-10-01 ...

Page 9

... Product shall not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable laws or regulations. • The information contained herein is presented only as guidance for Product use. No responsibility is assumed by TOSHIBA for any infringement of patents or any other intellectual property rights of third parties that may result from the use of Product. No license to any intellectual property right is granted by this document, whether express or implied, by estoppel or otherwise. • ...

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