BU2090A Rohm, BU2090A Datasheet
BU2090A
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BU2090A Summary of contents
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Standard ICs 12-bit, serial IN, parallel OUT driver BU2090 / BU2090F / BU2090FS / BU2092 / BU2092F / BU2092FV The BU2090, BU2090F, BU2090FS, BU2092, BU2092F, and BU2092FV are 12-bit serial input, parallel output drivers. For the BU2090 / F / ...
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Standard ICs • Absolute maximum ratings (Ta = 25°C) (BU2090 / F / FS, BU2092 / F / FV) Parameter Symbol Power supply voltage BU2090 / Power dissipation BU2092 / BU2090 / F / ...
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Standard ICs • Block diagram BU2090 / Control circuit SS DATA 2 12-bit shift register CLOCK 3 Latch Q0 4 Output buffer (open drain BU2090 / BU2090F ...
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Standard ICs • Pin descriptions Pin No. BU2090 / BU2092 / F BU2092 / — ...
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Standard ICs • Electrical characteristics (Ta = 25°C) DC characteristics (unless otherwise noted 25°C, V Parameter Symbol Input high level voltage V Input low level voltage V Output low level voltage V I "H" output disable current OZH ...
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Standard ICs BU2092 / switching characteristics (unless otherwise noted 25°C, V Parameter Symbol t PLZ (LCK) Transmission delay time (LCK to OUTPUT QX) t PZL (LCK) t PLZ Output disable time (OE to OUTPUT QX) ...
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Standard ICs • Truth table BU2092 / INPUT CLOCK DATA LCK OE H Output (Q0 to Q11) disabled L Output (Q0 to Q11) enabled First cell of the shift register stores the LOW. Other cells, respectively, store ...
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Standard ICs • Circuit operation The logic of the DATA pin is sent to the 12-bit shift register on the rising edge of the CLOCK pulse. Subsequently shifted from Q0 to Q11 for every clock rising edge. For ...
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Standard ICs For the BU2092 / The content of the 12-bit shift register is stored in the 12-bit storage register at the rising edge of LCK, and is output to the corresponding Q0 to Q11. When OE ...
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Standard ICs • Application example BU2090 / CLOCK DATA GND ( Control circuit BU2092 / F / (FV) GND (V ) DATA SS CLOCK Control circuit LCK 10 BU2090 / BU2090F / BU2090FS / BU2092 ...
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Standard ICs • Electrical characteristic curves 1200 DIP16 (Unmounted) 1000 800 (when mounted on a 90mm 50mm 1.6mm SSOP16 glass epoxy board) 600 SSOP16 (Unmounted) (when mounted on a 50mm 50mm 1.6mm SOP16 glass epoxy board) 400 SOP16 (Unmounted) 200 ...
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Standard ICs • External dimensions (Units: mm) BU2090 19.4 0 2.54 0.5 0.1 DIP16 BU2090F 10.0 0 1.27 0.4 0.1 0.3Min. SOP16 BU2090FS 6.6 0 0.8 0.36 0.1 ...