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74HCT280D ECAD models PCB Symbol, Footprint & ECAD Model

9-bit odd/even parity generator/checker

The 74HC280; 74HCT280 is a 9-bit parity generator or checker. Both even and odd parity outputs are available. The even parity output (PE) is HIGH when an even number of data inputs (I0 to I8) is HIGH. The odd parity output (PO) is HIGH when an odd number of data inputs are HIGH. Expansion to larger word sizes is accomplished by tying the even outputs (PE) of up to nine parallel devices to the final stage data inputs. Inputs include clamp diodes. It enables the use of current limiting resistors to interface inputs to voltages in excess of VCC

可订购部件

型号 可订购的器件编号 订购代码(12NC) 封装 从经销商处购买
74HCT280D 74HCT280D,653 933713890653 SOT108-1 订单产品
74HCT280D 74HCT280D,652 933713890652 SOT108-1 订单产品

特性

  • Complies with JEDEC standard no. 7A
  • Input levels:
    • For 74HC280: CMOS level
    • For 74HCT280: TTL level
  • Word-length easily expanded by cascading
  • Generates either odd or even parity for nine data bits
  • ESD protection:
    • HBM JESD22-A114F exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V
  • Specified from -40 °C to +85 °C and -40 °C to +125 °C

目标应用

参数类型

型号Product statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HCT280DProduction4.5 - 5.5TTL± 418low-40~125761.034SO14

Package

型号可订购的器件编号,(订购码(12NC))状态标示封装尺寸版本回流焊/波峰焊包装
74HCT280D74HCT280D,653
( 9337 138 90653 )
Active74HCT280D
SO14
(SOT108-1)
SOT108-1SO-SOJ-REFLOW
SO-SOJ-WAVE
Reel 13" Q1/T1 CECC
74HCT280D,652
( 9337 138 90652 )
Active74HCT280DBulk Pack, CECC

品质、可靠性及化学成分

型号可订购的器件编号化学成分RoHS / RHFEFRIFRMTBF(小时)MSLMSL无铅
74HCT280D74HCT280D,65374HCT280D84.96.621.51E811
74HCT280D74HCT280D,65274HCT280D84.96.621.51E811
品质及可靠性免责声明

文档 (6)

文件名称标题类型日期
74HC_HCT2809-bit odd, even parity generator, checkerData sheet2017-03-16
AN11044Pin FMEA 74HC/74HCT familyApplication note2019-01-09
HCT_USER_GUIDEHC/T User GuideUser manual1997-10-31
SO-SOJ-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
SO-SOJ-WAVEFootprint for wave solderingWave soldering2009-10-08
SOT108-1plastic, small outline package; 14 leads; 1.27 mm pitch; 8.65 mm x 3.9 mm x 1.75 mm bodyOutline drawing2018-10-18

支持

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订购、定价与供货

型号Orderable part numberOrdering code (12NC)包装在线购买
74HCT280D74HCT280D,653933713890653Reel 13" Q1/T1 CECC订单产品
74HCT280D74HCT280D,652933713890652Bulk Pack, CECC订单产品

样品

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