Datenblatt-Suchmaschine für elektronische Bauteile |
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TL5812FNR Datenblatt(PDF) 3 Page - Texas Instruments |
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TL5812FNR Datenblatt(HTML) 3 Page - Texas Instruments |
3 / 8 page TL5812, TL5812l VACUUM FLUORESCENT DISPLAY DRIVERS SLDS011B − OCTOBER 1985 − REVISED MAY 1993 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 FUNCTION TABLE CONTROL INPUTS SHIFT REGISTERS LATCHES OUTPUTS FUNCTION CLOCK LATCH ENABLE BLANKING SHIFT REGISTERS R1 THRU R20 LATCHES LC1 THRU LC20 SERIAL Q1 THRU Q20 Load ↑ No ↑ X X X X Load and shift† No change Determined by LATCH ENABLE‡ R20 R20 Determined by BLANKING Latch X X L H X X As determined above Stored data New data R20 R20 Determined by BLANKING Blank X X X X H L As determined above Determined by LATCH ENABLE‡ R20 R20 All L LC1 thru LC10, respectively H = high level, L = low level, X = irrelevant, ↑= low-to-high-level transition. † R20 takes on the state of R19, R19 takes on the state of R18, ... R2 takes on the state of R1, and R1 takes on the state of the data input. ‡ New data enter the latches while LATCH ENABLE is high. These data are stored while LATCH ENABLE is low. typical operating sequence Invalid CLOCK DATA IN SR Contents LATCH ENABLE Latch Contents BLANKING Q Outputs Valid Irrelevant Valid Previously Stored Data New Data Valid Valid schematics of inputs and outputs EQUIVALENT OF EACH INPUT TYPICAL OF SERIAL OUTPUT VCC1 Input GND VCC1 Output GND VCC2 Output GND TYPICAL OF ALL Q OUTPUTS |
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