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74ACT521

Features: ICC reduced by 50%Compares two 8-bit words in 6.5 ns typExpandable to any word length20-pin packageOutputs source/sink 24 mAACT521 has TTL-compatible inputsPinoutSpecifications Product Product status Eco Status Pricing* Package type Leads Packing method Package Drawing Pa...

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SeekIC No. : 004249072 Detail

74ACT521: Features: ICC reduced by 50%Compares two 8-bit words in 6.5 ns typExpandable to any word length20-pin packageOutputs source/sink 24 mAACT521 has TTL-compatible inputsPinoutSpecifications Pro...

74ACT521 Data Sheet

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Part Number:
74ACT521
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: 2025/12/19

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Product Details

Description



Features:

ICC reduced by 50%
Compares two 8-bit words in 6.5 ns typ
Expandable to any word length
20-pin package
Outputs source/sink 24 mA
ACT521 has TTL-compatible inputs






Pinout

Connection Diagram




Specifications



Product Product status Eco Status Pricing* Package type Leads Packing method Package Drawing Package Marking Convention**
74ACT521MTC Full Production RoHS Compliant $0.245 TSSOP 20 RAIL Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: ACT521
74ACT521MTCX Full Production RoHS Compliant $0.25 TSSOP 20 TAPE REEL Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: ACT521
74ACT521PC Full Production RoHS Compliant $0.51 DIP 20 RAIL Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&4 (4-Digit Date Code)
&K Line 2: 74ACT521PC
74ACT521SC Full Production RoHS Compliant $0.377 SOIC-Wide 20 RAIL Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: 74ACT521
74ACT521SCX Full Production RoHS Compliant $0.274 SOIC-Wide 20 TAPE REEL Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: 74ACT521
74ACT521SJ Full Production RoHS Compliant $0.403 SOP 20 RAIL Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: 74ACT521
74ACT521SJX Full Production RoHS Compliant $0.383 SOP 20 TAPE REEL Line 1: $Y (Fairchild logo)
&Z (Asm. Plant Code)
&2 (2-Digit Date Code)
&K Line 2: 74ACT521
* 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 74ACT521 is available. Click here for more information .


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) −0.5V to VCC + 0.5V
DC Output Diode Current (IOK)
VO = −0.5V −20 mA
VO = VCC + 0.5V +20 mA
DC Output Voltage (VO) −0.5V to VCC + 0.5V
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
Junction Temperature (TJ)
PDIP 140





Description

The 74ACT521 is an expandable 8-bit comparator. It compares two words of up to eight bits each and provides a LOW output when the two words match bit for bit. The expansion input I#A = B also serves as an active LOW enable input.






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