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CD74HC4543E 数据表(PDF) 1 Page - Texas Instruments |
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CD74HC4543E 数据表(HTML) 1 Page - Texas Instruments |
1 / 10 page 1 Data sheet acquired from Harris Semiconductor SCHS217B Features • Input Latches for BCD Code Storage • Blanking Capability • Phase Input for Complementing Outputs • Fanout (Over Temperature Range) - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads • Wide Operating Temperature Range . . . -55oC to 125oC • Balanced Propagation Delay and Transition Times • Significant Power Reduction Compared to LSTTL Logic ICs • HC Types - 2V to 6V Operation - High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V Description The CD74HC4543 high-speed silicon-gate device is a BCD to 7-segment latch/decoder/driver designed primarily for directly driving liquid-crystal displays. It has an active-high disable input (LD), an active-high blanking input (BI) and a phase input (PH) to which a square wave is applied for liquid-crystal applications. This square wave also is applied to the backplane of the liquid-crystal display. This device also can be used, in conjunction with current amplifying devices, for driving LEDs, incandescent, fluorescent, and gas-discharge displays. For these applications the phase input provides a means to obtain active-high or active-low segment outputs. (See the Function Table.) Pinout CD74HC4543 (PDIP) TOP VIEW Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE CD74HC4543E -55 to 125 16 Ld PDIP 14 15 16 9 13 12 11 10 1 2 3 4 5 7 6 8 LD D2 D1 D3 D0 PH GND BI VCC g e d c b a f 7-SEGMENT OUTPUTS BCD INPUTS February 1998 - Revised July 2003 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright © 2003, Texas Instruments Incorporated CD74HC4543 High-Speed CMOS Logic BCD to 7-Segment Latch/Decoder/Driver for LCDs [ /Title (CD74 HC454 3) /Sub- ject (High- Speed CMOS Logic BCD- to-7 |
类似零件编号 - CD74HC4543E |
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类似说明 - CD74HC4543E |
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