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SN74BCT2827CNT Scheda tecnica(PDF) 1 Page - Texas Instruments |
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SN74BCT2827CNT Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 12 page SN54BCT2827C, SN74BCT2827C 10-BIT BUS/MOS MEMORY DRIVERS WITH 3-STATE OUTPUTS SCBS007E – APRIL 1987 – REVISED NOVEMBER 1993 Copyright © 1993, Texas Instruments Incorporated 2–1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 • BiCMOS Design Substantially Reduces I CCZ • Output Ports Have Equivalent 25-Ω Resistors; No External Resistors Are Required • Specifically Designed to Drive MOS DRAMs • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers • Flow-Through Architecture Optimizes PCB Layout • Power-Up High-Impedance State • ESD Protection Exceeds 2000 V Per MIL-STD-883C, Method 3015 • Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK) and Flatpacks (W), and Standard Plastic and Ceramic 300-mil DIPs (JT, NT) description These 10-bit buffers and bus drivers are specifically designed to drive the capacitive input characteristics of MOS DRAMs. They provide high-performance bus interface for wide data paths or buses carrying parity. The 3-state control gate is a 2-input AND gate with active-low inputs so if either output-enable (OE1 or OE2) input is high, all ten outputs are in the high-impedance state. The outputs are also in the high-impedance state during power-up and power-down conditions. The outputs remain in the high-impedance state while the device is powered down. The SN54BCT2827C is characterized for opera- tion over the full military temperature range of –55 °C to 125°C. The SN74BCT2827C is characterized for operation from 0 °C to 70°C. FUNCTION TABLE INPUTS OUTPUT OE1 OE2 A Y L L L L L LH H H XX Z X H X Z 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 OE1 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 GND VCC Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 Y10 OE2 SN54BCT2827C . . . JT OR W PACKAGE SN74BCT2827C . . . DW OR NT PACKAGE (TOP VIEW) 32 1 13 14 5 6 7 8 9 10 11 Y3 Y4 Y5 NC Y6 Y7 Y8 A3 A4 A5 NC A6 A7 A8 4 15 16 17 18 SN54BCT2827C . . . FK PACKAGE (TOP VIEW) 28 27 26 25 24 23 22 21 20 19 12 NC - No internal connection PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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