Nexperia B.V. Octal buffer/line driver; 3-state 74HCT244D,652

Description
The 74HC244; 74HCT244 is an 8-bit buffer/line driver with 3-state outputs. The device can be used as two 4-bit buffers or one 8-bit buffer. The device features two output enables (1OE and 2OE), each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC. Features and benefits Wide supply voltage range from 2.0 V to 6.0 V CMOS low power dissipation High noise immunity Latch-up performance exceeds 100 mA per JESD 78 Class II Level B Input levels: For 74HC244: CMOS level For 74HCT244: TTL level Octal bus interface Non-inverting 3-state outputs Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) JESD7A (2.0 V to 6.0 V) ESD protection: HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V Multiple package options Specified from -40 °C to +85 °C and -40 °C to +125 °C
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Octal buffer/line driver; 3-state - 74HCT244D,652 - Nexperia B.V.
Nijmegen, Netherlands
Octal buffer/line driver; 3-state
74HCT244D,652
Octal buffer/line driver; 3-state 74HCT244D,652
The 74HC244; 74HCT244 is an 8-bit buffer/line driver with 3-state outputs. The device can be used as two 4-bit buffers or one 8-bit buffer. The device features two output enables (1OE and 2OE), each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC. Features and benefits Wide supply voltage range from 2.0 V to 6.0 V CMOS low power dissipation High noise immunity Latch-up performance exceeds 100 mA per JESD 78 Class II Level B Input levels: For 74HC244: CMOS level For 74HCT244: TTL level Octal bus interface Non-inverting 3-state outputs Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) JESD7A (2.0 V to 6.0 V) ESD protection: HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V Multiple package options Specified from -40 °C to +85 °C and -40 °C to +125 °C

The 74HC244; 74HCT244 is an 8-bit buffer/line driver with 3-state outputs. The device can be used as two 4-bit buffers or one 8-bit buffer. The device features two output enables (1OE and 2OE), each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume a high-impedance OFF-state. Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC.

Features and benefits

  • Wide supply voltage range from 2.0 V to 6.0 V
  • CMOS low power dissipation
  • High noise immunity
  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
  • Input levels:
    • For 74HC244: CMOS level
    • For 74HCT244: TTL level
  • Octal bus interface
  • Non-inverting 3-state outputs
  • Complies with JEDEC standards:
    • JESD8C (2.7 V to 3.6 V)
    • JESD7A (2.0 V to 6.0 V)
  • ESD protection:
    • HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V
    • CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
  • Multiple package options
  • Specified from -40 °C to +85 °C and -40 °C to +125 °C
Supplier's Site Datasheet
 - 1130039P - RS Components, Ltd.
Corby, Northants, United Kingdom
High-Speed CMOS Logic. Operating Voltage 4.5 to 5.5 V. Compatibility: Input TTL, Output CMOS Logic Family = 74HCT Logic Function = Buffer, Line Driver Number of Channels per Chip = 8 Input Type = Single Ended Output Type = 3 State Polarity = Non-Inverting Mounting Type = Surface Mount Package Type = SOIC Pin Count = 20 Maximum High Level Output Current = -6mA Delivery on production packaging - Tube. This product is non-returnable.

High-Speed CMOS Logic. Operating Voltage 4.5 to 5.5 V. Compatibility: Input TTL, Output CMOS
Logic Family = 74HCT
Logic Function = Buffer, Line Driver
Number of Channels per Chip = 8
Input Type = Single Ended
Output Type = 3 State
Polarity = Non-Inverting
Mounting Type = Surface Mount
Package Type = SOIC
Pin Count = 20
Maximum High Level Output Current = -6mA
Delivery on production packaging - Tube. This product is non-returnable.

Supplier's Site
 - 1130039 - RS Components, Ltd.
Corby, Northants, United Kingdom
High-Speed CMOS Logic. Operating Voltage 4.5 to 5.5 V. Compatibility: Input TTL, Output CMOS Logic Family = 74HCT Logic Function = Buffer, Line Driver Number of Channels per Chip = 8 Input Type = Single Ended Output Type = 3 State Polarity = Non-Inverting Mounting Type = Surface Mount Package Type = SOIC Pin Count = 20 Maximum High Level Output Current = -6mA

High-Speed CMOS Logic. Operating Voltage 4.5 to 5.5 V. Compatibility: Input TTL, Output CMOS
Logic Family = 74HCT
Logic Function = Buffer, Line Driver
Number of Channels per Chip = 8
Input Type = Single Ended
Output Type = 3 State
Polarity = Non-Inverting
Mounting Type = Surface Mount
Package Type = SOIC
Pin Count = 20
Maximum High Level Output Current = -6mA

Supplier's Site
 - 1038164 - RS Components, Ltd.
Corby, Northants, United Kingdom
High-Speed CMOS Logic. Operating Voltage 4.5 to 5.5 V. Compatibility: Input TTL, Output CMOS Logic Family = 74HCT Logic Function = Buffer, Line Driver Number of Channels per Chip = 8 Input Type = Single Ended Output Type = 3 State Polarity = Non-Inverting Mounting Type = Surface Mount Package Type = SOIC Pin Count = 20 Maximum High Level Output Current = -6mA

High-Speed CMOS Logic. Operating Voltage 4.5 to 5.5 V. Compatibility: Input TTL, Output CMOS
Logic Family = 74HCT
Logic Function = Buffer, Line Driver
Number of Channels per Chip = 8
Input Type = Single Ended
Output Type = 3 State
Polarity = Non-Inverting
Mounting Type = Surface Mount
Package Type = SOIC
Pin Count = 20
Maximum High Level Output Current = -6mA

Supplier's Site

Technical Specifications

  Nexperia B.V. RS Components, Ltd.
Product Category IC Interfaces IC Interfaces
Product Number 74HCT244D,652 1130039P
Product Name Octal buffer/line driver; 3-state
Technology TTL
Device Type Buffer Line / Bus Driver; Buffer
Features RoHS
Supply Voltage 5V; Other; 4.5 - 5.5
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