MC74VHCT259ADTRG Standard Logic by ON Semiconductor

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

Status: Active
Series: MC74VHCT259A
RoHS: Compliant
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The MC74VHCT259 is an 8-bit Addressable Latch fabricated with silicon gate CMOS technology. It achieves high speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation. The internal circuit is composed of three stages, including a buffer output which provides high noise immunity and stable output. The VHC259 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 signal on Data In is written into the addressed latch. The addressed latch followsthe 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 VHCT259 as an addressable latch, changing more than one bit of the address could impose a transient wrong address. Therefore, this should only be done while in the memory mode. The VHCT inputs are compatible with TTL levels. This device can be used as a level converter for interfacing 3.3 V to 5.0 V because it has full 5 V CMOS level output swings. The VHCT259A input structures provide protection when voltages between 0 V and 5.5 V are applied, regardless of the supply voltage.The output structures also provide protection when VCC = 0 V. Theseinput and output structures help prevent device destruction caused by supply voltage-input/output voltage mismatch, battery backup, hot insertion, etc.

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Prices starting from US$0.24

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Features

High Speed: tPD = 7.6 ns (Typ) at VCC = 5 V
Low Power Dissipation: ICC = 2 mA (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
Pb-Free Packages are Available*

Specifications

Description MC74VHCT259A
Compliance Pb-free Halide free
Type Latch
Channels 1
VCC Min (V) 4.5
VCC Max (V) 5.5
tpd Max (ns) 10
IO Max (mA) 8
Package Type TSSOP-16

Alternative Descriptions

Ic,latch,single,8-Bit,ahct/Vhct-Cmos,tssop,16Pin,plastic |Onsemi MC74VHCT259ADTRG | Newark Electronics
Latch Addressable 8-CH D-Type 16-Pin TSSOP T/R | Future Electronics
ADDRESSABLE LATCH/LVL SHIFTER, TSSOP | element14


Frequently Asked Questions

Where can I find additional details, specifications and documents for a MC74VHCT259ADTRG?

Additional datasheets, footprints and schematics for MC74VHCT259ADTRG are listed on our Part Details page. You can also find images and similar parts to MC74VHCT259ADTRG on this page.

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What category does MC74VHCT259ADTRG fall under?

The MC74VHCT259ADTRG is listed under Timing, Logic & Memory > Standard Logic > Latches & Registers.

Can I view similar or alternative parts?

You can view similar parts to MC74VHCT259ADTRG when available in the Latches & Registers range under the specifications section at the bottom of the details page.

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Is the MC74VHCT259ADTRG RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

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Authorised distributors including Newark Electronics, Future Electronics, Avnet America, element14 and Farnell have stock available or on a lead time for MC74VHCT259ADTRG.

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