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74LVTH646 Arkusz danych(PDF) 1 Page - Fairchild Semiconductor |
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74LVTH646 Arkusz danych(HTML) 1 Page - Fairchild Semiconductor |
1 / 8 page © 2000 Fairchild Semiconductor Corporation DS012017 www.fairchildsemi.com November 1999 Revised May 2000 74LVTH646 Low Voltage Octal Transceiver/Register with 3-STATE Outputs General Description The LVTH646 consists of registered bus transceiver cir- cuits, D-type flip-flops, and control circuitry providing multi- plexed transmission of data directly from the input bus or from the internal storage registers. Data on the A or B bus will be loaded into the respective registers on the LOW-to- HIGH transition of the appropriate clock pin (CPAB or CPBA). (See Functional Description) The LVTH646 data inputs include bushold, eliminating the need for external pull-up resistors to hold unused inputs. The bus transceivers are designed for low-voltage (3.3V) VCC applications, but with the capability to provide a TTL interface to a 5V environment. The LVTH646 is fabricated with an advanced BiCMOS technology to achieve high speed operation similar to 5V ABT while maintaining low power dissipation. Features s Input and output interface capability to systems at 5V VCC s Bushold data inputs eliminate the need for external pull-up resistors to hold unused inputs s Live insertion/extraction permitted s Power Up/Down high impedance provides glitch-free bus loading s Outputs source/sink −32 mA/+64 mA s Functionally compatible with the 74 series 646 s Latch-up performance exceeds 500 mA Ordering Code: Devices also available in Tape and Reel. Specify by appending letter suffix “X” to the ordering code. Logic Symbols IEEE/IEC Order Number Package Number Package Description 74LVTH646WM M24B 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide 74LVTH646MTC MTC24 24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide |
Podobny numer części - 74LVTH646 |
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Podobny opis - 74LVTH646 |
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