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74F776

Part Number 74F776
Manufacturer Philips
Title Pi-bus transceiver
Description ...
Features ...

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Datasheet 74F776 PDF File







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74F777 : The 74F777 is a triple bidirectional latched bus transceiver and is intended to provide the electrical interface to a high performance wired–OR bus. This bus has a loaded characteristics impedance ORDERING INFORMATION ORDER CODE DESCRIPTION COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C 20–pin plastic DIP (300 mil) 20–pin PLCC N74F777N N74F777A INDUSTRIAL RANGE VCC = 5V ±10%, Tamb = –40°C to +85°C I74F777N I74F777A SOT146-1 SOT380-1 PKG DWG # INPUT AND OUTPUT LOADING AND FAN OUT TABLE PINS A0 – A2 B0 – B2 OEA0 – OEA2 OEB0 – OEB2 LE0 – LE2 A0 – A2 PNP latched inputs Data inputs with threshold circuitry A output enable inputs (active–High) B output enable inputs (active–Low) Latch enabl.

74F779 : .

74F779 : The 74F779 is a fully synchronous 8-stage Up/Down Counter with multiplexed 3-State I/O ports for bus-oriented applications. All control functions (hold, count up, count down, synchronous load) are controlled by two mode pine (S0, S1). The device also features carry look-ahead for easy cascading. All state changes are initiated by the rising edge of the clock. When CET is High the data outputs are held in their current state and TC is held High. The TC output is not recommended for use as a clock or asynchronous reset due to the possibility of decoding spikes. PIN CONFIGURATION I/O1 1 I/O2 I/O3 GND I/O4 I/O5 2 3 4 5 6 16 I/O0 15 CP 14 CET 13 VCC 12 TC 11 S0 10 S1 9 OE I/O6 7 I/O7 8 SF01259.

74F779 : The 74F779 is a fully synchronous 8-stage up/down counter with multiplexed 3-STATE I/O ports for bus-oriented applications. All control functions (hold, count up, count down, synchronous load) are controlled by two mode pins (S0, S1). The device also features carry lookahead for easy cascading. All state changes are initiated by the rising edge of the clock. Features s Multiplexed 3-STATE I/O ports s Built-in lookahead carry capability s Count frequency 100 MHz typ s Supply current 80 mA typ s Available in SOIC (300 mil only) Ordering Code: Order Number 74F779SC 74F779PC Package Number M16B N16E Package Description 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 1.




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