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74ACT1284

Features: TTL-compatible inputsA Ports have standard 4 mA totem pole outputsTypical input hysteresis of 0.5VB Port high drive source/sink capability of 14 mABidirectional non-inverting buffersSupports IEEE P1284 Level 1 and Level 2 signaling standards for bidirectional parallel communications betw...

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SeekIC No. : 004249003 Detail

74ACT1284: Features: TTL-compatible inputsA Ports have standard 4 mA totem pole outputsTypical input hysteresis of 0.5VB Port high drive source/sink capability of 14 mABidirectional non-inverting buffersSuppor...

74ACT1284 Data Sheet

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Part Number:
74ACT1284
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/28

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Product Details

Description



Features:

TTL-compatible inputs
A Ports have standard 4 mA totem pole outputs
Typical input hysteresis of 0.5V
B Port high drive source/sink capability of 14 mA
Bidirectional non-inverting buffers
Supports IEEE P1284 Level 1 and Level 2 signaling standards for bidirectional parallel communications between personal computers and printing peripherals
B Port outputs in High Impedance mode during power down
Guaranteed 4000V minimum ESD protection






Pinout

Connection Diagram




Specifications

Supply Voltage (VCC) −0.5V to +7.0V
DC Input Diode Current (IIK)
VI = −0.5V −20 mA
VI = VCC + 0.5V +20 mA
DC Input Voltage (VI) A Side −0.5V to VCC + 0.5V
DC Input Voltage (VI) B Side −2V to +7V
DC Output Diode Current (IOK)
VO = −0.5V −20 mA
VO = VCC + 0.5V +20 mA
DC Output Voltage (VO) A Side −0.5V to VCC + 0.5V
DC Output Voltage (VO) B Side −2V to +7V
DC Output Source
or Sink Current (IO) ± 50 mA
DC VCC or Ground Current
per Output Pin (ICC or IGND) ± 50 mA
Storage Temperature (TSTG) −65 to +150




Product Product status Eco Status Pricing* Package type Leads Packing method Package Drawing Package Marking Convention**
74ACT1284MSA Full Production RoHS Compliant $0.90 SSOP 20 RAIL Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: ACT1284
74ACT1284MSAX Full Production RoHS Compliant $0.90 SSOP 20 TAPE REEL Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: ACT1284
74ACT1284MTCX Full Production RoHS Compliant $0.52 TSSOP 20 TAPE REEL Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: ACT1284
74ACT1284SC Full Production RoHS Compliant $0.52 SOIC-Wide 20 RAIL Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: 74ACT1284
74ACT1284SCX Full Production RoHS Compliant $0.52 SOIC-Wide 20 TAPE REEL Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: 74ACT1284
* Fairchild 1,000 piece Budgetary Pricing
** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples

Package marking information for product 74ACT1284 is available. Click here for more information .





Description

The 74ACT1284 contains four non-inverting bidirectional buffers and three non-inverting buffers with open Drain outputs and high drive capability on the B Ports. It is intended to provide a standard signaling method for a bi-direction parallel peripheral in an Extended Capabilities Port mode (ECP).

The HD (active HIGH) input pin of the 74ACT1284 enables the B Ports to switch from open Drain to a high drive totem pole output,capable of sourcing 14 mA on all seven buffers. The DIR input determines the direction of data flow on the bidirectional buffers. DIR (active HIGH) enables data flow from A Ports to B Ports. DIR (active LOW) enables data flow from B Ports to A Ports.






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