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SN75556 Datasheet

Part Number SN75556
Manufacturers Texas Instruments
Logo Texas Instruments
Description Electroluminescent Column Drivers
Datasheet SN75556 DatasheetSN75556 Datasheet (PDF)

Each Device Drives 32 Electrodes 90-V Output Voltage Swing Capability Using Ramped Supply 15-mA Output Source and Sink Current Capability High-Speed Serially-Shifted Data Input Totem-Pole Outputs Latches on All Driver Outputs description The SN65555, SN75555, SN65556, and SN75556 are monolithic BIDFET† integrated circuits designed to drive the column electrodes of an electroluminescent display. The SN65556 and SN75556 output sequence is reversed from the SN65555 and SN75555 for ease in printed-c.

  SN75556   SN75556






Part Number SN75555
Manufacturers Texas Instruments
Logo Texas Instruments
Description Electroluminescent Column Drivers
Datasheet SN75556 DatasheetSN75555 Datasheet (PDF)

Each Device Drives 32 Electrodes 90-V Output Voltage Swing Capability Using Ramped Supply 15-mA Output Source and Sink Current Capability High-Speed Serially-Shifted Data Input Totem-Pole Outputs Latches on All Driver Outputs description The SN65555, SN75555, SN65556, and SN75556 are monolithic BIDFET† integrated circuits designed to drive the column electrodes of an electroluminescent display. The SN65556 and SN75556 output sequence is reversed from the SN65555 and SN75555 for ease in printed-c.

  SN75556   SN75556







Electroluminescent Column Drivers

Each Device Drives 32 Electrodes 90-V Output Voltage Swing Capability Using Ramped Supply 15-mA Output Source and Sink Current Capability High-Speed Serially-Shifted Data Input Totem-Pole Outputs Latches on All Driver Outputs description The SN65555, SN75555, SN65556, and SN75556 are monolithic BIDFET† integrated circuits designed to drive the column electrodes of an electroluminescent display. The SN65556 and SN75556 output sequence is reversed from the SN65555 and SN75555 for ease in printed-circuitboard layout. The devices consist of a 32-bit shift register, 32 latches, and 32 output AND gates. Serial data is entered into the shift register on the low-to-high transition of CLOCK. When high, LATCH ENABLE transfers the shift register contents to the outputs of the 32 latches. When OUTPUT ENABLE is high, all Q outputs are enabled. Data must be loaded into the latches and OUTPUT ENABLE must be high before supply voltage VCC2 is ramped up. Serial data output from the shift register can be used to cascade shift registers. This output is not affected by LATCH ENABLE or OUTPUT ENABLE. The SN65555 and SN65556 are characterized for operation from – 40 C to 85 C. The SN75555 and SN75556 are characterized for operation from 0 C to 70 C. SLDS031A – APRIL 1985 – REVISED APRIL 1993 SN75555 . . . N PACKAGE (TOP VIEW) Q17 Q16 Q15 Q14 Q13 Q12 Q11 Q10 Q9 Q8 Q7 Q6 Q5 Q4 Q3 Q2 Q1 SERIAL OUT CLOCK GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 Q18 39 Q19 38 Q20 37 Q21 36 Q22 35 Q.


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