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노력파 | 2005.04.03 | 조회 222
a family of fast, high-drive bus-interface fuctions that provides the incident-wave
switching required by large backphone applications has been incorporated into the
BCT offering.  Designed specifically to ensure incident-wave switching down to 25, the
devices in the BICMOS low-impedance driver family can maximize the speed and reliability of heavily loaded systems.  


Texas intruments acquired select FCT funtions from Harris Semiconductor in speed
grades not to exceed A -suffix spees. A list of acquired FCT devices is listed below.
TI recommends Advanced BiCMOS Techology (ABT) as an alternate solution for FCT.
Acquired Harris FCT devices are listed below with the following nomenclature.
CD 74 FCT 245 A E
1   2   3     4    5  6

1. Prefix Designation for Harris Digital Logic IC
2. Temperature Range
Examples:  54 Military( -55 ℃ to 125℃), 74 Commericial (0℃ to 70℃)
3, Family
   Example: FCT ? Bus Interface, TTL Input Levels
4. Type Designation
    Up to Five Digits
5. Speed Grade
   Example : Blank or A ? Standard Equivalent to FASTTM
6. Package : E- plastic Dual -In - Line Package (DIP),
                   EN - plastic slim-line 24-lead DIP
                   F- Ceramic DIP
                   M- plastic surface-Mount small-outline intergrated circuit (SOIC)
                  SM- PLASTIC shrink SOIC(SSOP)



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