74HC191D

Presettable synchronous 4-bit binary up/down counter

GENERALDESCRIPTION The74HC/HCT191arehigh-speedSi-gateCMOSdevicesandarepincompatiblewithlowpowerSchottkyTTL(LSTTL).TheyarespecifiedincompliancewithJEDECstandardno.7A. The74HC/HCT191areasynchronouslypresettable4-bitbinaryup/downcounters.Theycontainfourmaster/

74HC191D

Presettable synchronous 4-bit binary up/down counter

1.Generaldescription The74HC191isanasynchronouslypresettable4-bitbinaryup/downcounter.Itcontainsfour master/slaveflip-flopswithinternalgatingandsteeringlogictoprovideasynchronouspresetand synchronouscount-upandcount-downoperation.Asynchronousparallelloadcapabil

74HC191DB

Presettable synchronous 4-bit binary up/down counter

GENERALDESCRIPTION The74HC/HCT191arehigh-speedSi-gateCMOSdevicesandarepincompatiblewithlowpowerSchottkyTTL(LSTTL).TheyarespecifiedincompliancewithJEDECstandardno.7A. The74HC/HCT191areasynchronouslypresettable4-bitbinaryup/downcounters.Theycontainfourmaster/

74HC191D,653

Package：16-SOIC（0.154"，3.90mm 宽）；包装：管件 类别：集成电路（IC） 计数器，除法器 描述：IC 4BIT BINAR UP/DN COUNT 16SOIC

Nexperia USA Inc.

74HC191DB,112

Package：16-SSOP（0.209"，5.30mm 宽）；包装：管件 类别：集成电路（IC） 计数器，除法器 描述：IC SYNC 4BIT BINARY UP/DN 16SSOP

Nexperia USA Inc.

74HC191DB,118

Package：16-SSOP（0.209"，5.30mm 宽）；包装：管件 类别：集成电路（IC） 计数器，除法器 描述：IC 4BIT BINAR UP/DN COUNT 16SSOP

Nexperia USA Inc.