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SN74ABT32245 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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SN74ABT32245 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 8 page SN54ABT32245, SN74ABT32245 36BIT BUS TRANSCEIVERS WITH 3STATE OUTPUTS SCBS228C − JUNE 1992 − APRIL 1995 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 • Members of the Texas Instruments Widebus + Family • State-of-the-Art EPIC-ΙΙB BiCMOS Design Significantly Reduces Power Dissipation • Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17 • Typical V OLP (Output Ground Bounce) < 0.8 V at VCC = 5 V, TA = 25°C • Distributed V CC and GND Pin Configuration Minimizes High-Speed Switching Noise • High-Drive Outputs (−32-mA I OH, 64-mA IOL) • Bus-Hold Inputs Eliminate the Need for External Pullup Resistors • Packaged in 100-Pin Plastic Thin Quad Flat (PZ) Package With 14 × 14-mm Body Using 0.5-mm Lead Pitch 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 SN74ABT32245 ...PZ PACKAGE (TOP VIEW) 1A9 2A1 GND 2A2 2A3 2A4 2A5 GND 2A6 2A7 2A8 2A9 VCC 3A1 3A2 3A3 3A4 GND 3A5 3A6 3A7 3A8 GND 3A9 4A1 1B9 2B1 GND 2B2 2B3 2B4 2B5 GND 2B6 2B7 2B8 2B9 VCC 3B1 3B2 3B3 3B4 GND 3B5 3B6 3B7 3B8 GND 3B9 4B1 50 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 description The ′ABT32245 are 36-bit (quad 9-bit) noninverting 3-state transceivers designed for synchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements. These devices can be used as four 9-bit transceivers, two18-bit transceivers, or one 36-bit transceiver. They allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending upon the logic level at the direction-control (DIR) inputs. The output-enable (OE) inputs can be used to disable the device so that the buses are effectively isolated. 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. Widebus+ and EPIC- ΙΙB are trademarks of Texas Instruments Incorporated. Copyright 1995, Texas Instruments Incorporated |
Số phần tương tự - SN74ABT32245 |
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Mô tả tương tự - SN74ABT32245 |
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