Latches & Registers | MC74LVX259

8-Bit Addressable Latch/1-of-8 Decoder CMOS Logic Level Shifter

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Overview

The MC74LVX259 is an 8-bit Addressable Latch fabricated with silicon gate CMOS technology.

The internal circuit is composed of three stages, including a buffer output which provides high noise immunity and stable output.

The LVX259 is designed for general purpose storage applications in digital systems. The device has four modes of operation as shown in the mode selection table.. In the addressable latch mode, the data on Data In is written into the addressed latch. The addressed latch follows the data input with all non-addressed latches remaining in their previous states. In the memory mode, all latches remain in their previous state and are unaffected by the Data or Address inputs. In the one-of-eight decoding or demultiplexing mode, the addressed output follows the state of Data In with all other outputs in the LOW state. In the Reset mode, all outputs are LOW and unaffected by the address and data inputs. When operating the LVX259 as an addressable latch, changing more than one bit of the address ould impose a transient wrong address. Therefore, this should only be done while in thememory mode.

The MC74LVX259 input structure provides protection when voltages up to 7 V are applied, regardless of the supply voltage. This allows the MC74LVX259 to be used to interface 5 V circuits to 3 V circuits.

  • High Speed: tPD = 7.0 ns (Typ) at VCC = 3.3 V
  • Low Power Dissipation: ICC = 2 µA (Max) at TA = 25°C
  • High Noise Immunity: VNIH = VNIL = 28% VCC
  • CMOS-Compatible Outputs: VOH > 0.8 VCC ; VOL < 0.1 VCC @Load
  • Power Down Protection Provided on Inputs and Outputs
  • Balanced Propagation Delays
  • Pin and Function Compatible with Other Standard Logic Families
  • Latchup Performance Exceeds 300 mA
  • ESD Performance: HBM > 2000 V; Machine Model > 200 V
  • Pb-Free Packages are Available*

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Reference Price

MC74LVX259DG

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Obsolete

CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

TUBE

48

N

Latch

1

2

3.6

12

4

Price N/A

More Details

MC74LVX259DR2G

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Active

CAD Model

Pb

A

H

P

SOIC-16

751B-05

1

260

REEL

2500

N

Latch

1

2

3.6

12

4

$0.2909

More Details

MC74LVX259DTG

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Obsolete

CAD Model

Pb

A

H

P

TSSOP-16

948F-01

1

260

TUBE

96

N

Latch

1

2

3.6

12

4

Price N/A

More Details

MC74LVX259DTR2G

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Active

CAD Model

Pb

A

H

P

TSSOP-16

948F-01

1

260

REEL

2500

N

Latch

1

2

3.6

12

4

$0.2581

More Details

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Reliability Data

Die Related Summary Data

Device: MC74LVX259DG

Equivalent to wafer fab process: CMOS SUB

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CMOS SUB

2

920154574

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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