CD4044BDWR
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Texas Instruments CD4044BDWR

Manufacturer No:
CD4044BDWR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC QUAD NAND R/S LATCH 16-SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
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Product Introduction

Overview

The CD4044BDWR is a quad cross-coupled 3-state CMOS NAND latch produced by Texas Instruments. This component is part of the CD4044B series, which is designed for use in negative logic systems. Each latch within the CD4044BDWR has a separate Q output and individual SET and RESET inputs. The Q outputs are controlled by a common ENABLE input, allowing for the latches to be connected or disconnected from the outputs based on the ENABLE state. This feature enables common busing of the outputs, making it versatile for various digital logic applications.

Key Specifications

Parameter Value
Package Type 16-lead Small-Outline Package (SOIC D, DWR, NSR suffixes)
Pins 16
Operating Temperature Range (°C) -55 to 125
Supply Voltage (V) 5 V, 10 V, 15 V
Maximum Input Current 1 µA at 18 V over full package temperature range; 100 nA at 18 V and 25°C
Noise Margin (V) 1 V at VDD= 5 V, 2 V at VDD= 10 V, 2.5 V at VDD= 15 V
Quiescent Current Test 100% tested at 20 V
Package Quantity Carrier 40, LARGE T&R (2500)
Eco Plan Pb-Free (RoHS)

Key Features

  • 3-state outputs with common output ENABLE
  • Separate SET and RESET inputs for each latch
  • NOR and NAND configurations (CD4044B for negative logic systems)
  • Standardized symmetrical output characteristics
  • Maximum input current of 1 µA at 18 V over full package temperature range; 100 nA at 18 V and 25°C
  • Noise margin: 1 V at VDD= 5 V, 2 V at VDD= 10 V, 2.5 V at VDD= 15 V
  • Meets all requirements of JEDEC Tentative Standard No. 13B, 'Standard Specifications for Description of 'B' Series CMOS Devices'

Applications

  • Holding register in multi-register system
  • Four bits of independent storage with output ENABLE
  • Strobed register
  • General digital logic
  • Specifically designed for negative logic systems (CD4044B), while CD4043B is for positive logic systems

Q & A

  1. What is the CD4044BDWR?

    The CD4044BDWR is a quad cross-coupled 3-state CMOS NAND latch produced by Texas Instruments.

  2. What are the key features of the CD4044BDWR?

    Key features include 3-state outputs with common output ENABLE, separate SET and RESET inputs, and standardized symmetrical output characteristics.

  3. What are the operating temperature ranges for the CD4044BDWR?

    The operating temperature range is -55°C to 125°C.

  4. What are the supply voltage ratings for the CD4044BDWR?

    The component is rated for 5 V, 10 V, and 15 V supply voltages.

  5. What is the maximum input current for the CD4044BDWR?

    The maximum input current is 1 µA at 18 V over the full package temperature range; 100 nA at 18 V and 25°C.

  6. What are the noise margins for the CD4044BDWR?

    Noise margins are 1 V at VDD= 5 V, 2 V at VDD= 10 V, and 2.5 V at VDD= 15 V.

  7. What packaging options are available for the CD4044BDWR?

    It is available in 16-lead small-outline packages (SOIC D, DWR, NSR suffixes) and other variants.

  8. What are the typical applications of the CD4044BDWR?

    Typical applications include holding registers in multi-register systems, strobed registers, and general digital logic.

  9. Is the CD4044BDWR RoHS compliant?
  10. What is the significance of the ENABLE input in the CD4044BDWR?

    The ENABLE input controls the connection of the latch states to the Q outputs, allowing for common busing of the outputs.

Product Attributes

Logic Type:S-R Latch
Circuit:1:1
Output Type:Tri-State
Voltage - Supply:3V ~ 18V
Independent Circuits:4
Delay Time - Propagation:50ns
Current - Output High, Low:6.8mA, 6.8mA
Operating Temperature:-55°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:16-SOIC (0.295", 7.50mm Width)
Supplier Device Package:16-SOIC
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Similar Products

Part Number CD4044BDWR CD4044BPWR CD4042BDWR CD4043BDWR CD4044BDR CD4044BDW
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Obsolete Active Obsolete Active Active Active
Logic Type S-R Latch S-R Latch D-Type Transparent Latch S-R Latch S-R Latch S-R Latch
Circuit 1:1 1:1 1:1 1:1 1:1 1:1
Output Type Tri-State Tri-State Differential Tri-State Tri-State Tri-State
Voltage - Supply 3V ~ 18V 3V ~ 18V 3V ~ 18V 3V ~ 18V 3V ~ 18V 3V ~ 18V
Independent Circuits 4 4 4 4 4 4
Delay Time - Propagation 50ns 50ns 40ns 50ns 50ns 50ns
Current - Output High, Low 6.8mA, 6.8mA 6.8mA, 6.8mA 6.8mA, 6.8mA 6.8mA, 6.8mA 6.8mA, 6.8mA 6.8mA, 6.8mA
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 16-SOIC (0.295", 7.50mm Width) 16-TSSOP (0.173", 4.40mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC 16-TSSOP 16-SOIC 16-SOIC 16-SOIC 16-SOIC

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