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TB62710 Dataheets PDF



Part Number TB62710
Manufacturers Toshiba
Logo Toshiba
Description 8BIT SHIFT REGISTER / LATCHES & CONSTANT CURRENT SOURCE DRIVERS
Datasheet TB62710 DatasheetTB62710 Datasheet (PDF)

TB62710P/F/FN TOAHIBA Bi-CMOS Integrated Circuit Silicon Monolithic TB62710P, TB62710F, TB62710FN 8-Bit Constant-Current LED Driver for Cathode Common LED The TB62710P, TB62710F and TB62710FN are specifically designed for use as LED and LED display (cathode-common) Constant-current drivers. The constant-current output circuits can be set up using an external resistor (IOUT = −90 mA max). These ICs are monolithic integrated circuits have been designed using the Bi-CMOS process. The devices consi.

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TB62710P/F/FN TOAHIBA Bi-CMOS Integrated Circuit Silicon Monolithic TB62710P, TB62710F, TB62710FN 8-Bit Constant-Current LED Driver for Cathode Common LED The TB62710P, TB62710F and TB62710FN are specifically designed for use as LED and LED display (cathode-common) Constant-current drivers. The constant-current output circuits can be set up using an external resistor (IOUT = −90 mA max). These ICs are monolithic integrated circuits have been designed using the Bi-CMOS process. The devices consist of an 8-bit shift register, a latch, an ANDgate and constant-current drivers. FEATURES · Constant-current output: A single resistor can be used to set any output current in the range −5~−90 mA. · Maximum clock frequency: fCLK = 15 MHz (operating while connected in cascade, Topr = 25°C) · 5-V CMOS compatible input · Packages: P-type: DIP20-P-300-2.54A F-type: SSOP24-P-300-1.00 FN-type: SSOP20-P-225-0.65A · Constant-output-current accuracy: Output − GND Voltage Current accuracy between bits between ICs Output Current (max) ≥ 2.0 V (min) ≥ 1.5 V (min) ±6% ±15% −5~−90 mA −5~−40 mA TB62710P TB62710F TB62710FN Weight DIP20-P-300-2.54A: 2.25 g (Typ.) SSOP24-P-300-1.00: 0.33 g (Typ.) SSOP20-P-225-0.65A: 0.10 g (Typ.) 1 2002-01-31 Pin Assignment (top view) GND SERIAL-IN CLOCK LATCH NC VCC OUT0 OUT1 OUT2 OUT3 P- & FN-types VDD R-EXT SERIAL-OUT1 ENABLE SERIAL-OUT2 VCC OUT7 OUT6 OUT5 OUT4 GND SERIAL-IN CLOCK NC LATCH NC VCC NC OUT0 OUT1 OUT2 OUT3 Block Diagram OUT0 OUT1 F-type TB62710P/F/FN VDD R-EXT SERIAL-OUT1 ENABLE SERIAL-OUT2 NC VCC NC OUT7 OUT6 OUT5 OUT4 OUT7 R-EXT ENABLE LATCH I-REG VCC VCC Q ST D Q ST D SERIAL-IN CLOCK DQ CK DQ CK VCC Q ST D DQ CK DQ CK SERIAL-OUT2 SERIAL-OUT1 Truth Table CLOCK LATCH ENABLE SERIAL-IN OUT0… OUT5 … OUT7 SERIAL-OUT H L Dn Dn … Dn - 5 … Dn - 7 Dn - 7 L L Dn + 1 No Change Dn - 6 H L Dn + 2 Dn + 2 … Dn - 3 … Dn - 5 Dn - 5 X L Dn + 3 Dn + 2 … Dn - 3 … Dn - 5 Dn - 5 X H Dn + 3 OFF Dn - 5 Note 1: OUT0~OUT7 = ON when Dn = “H”; OUT0~OUT7 = OFF when Dn = “L”. In order to ensure that the level of the power supply voltate is correct, an external resistor must be connected between R-EXT and GND. 2 2002-01-31 Timing Diagram TB62710P/F/FN n=1 2 3 4 5 6 7 8 CLOCK SERIAL-IN LATCH ENABLE OUT0 OFF 5V 0V 5V 0V 5V 0V 5V 0V OUT1 OFF ON OFF OUT6 OFF OUT7 SERIAL-OUT1 SERIAL-OUT2 OFF ON OFF 5V 0V 5V 0V Note 2: The latches circuit holds data by pulling the LATCH terminal Low. And, when LATCH terminal is a “H” level, latch circuit doesn’t hold data, and it passes from the input to the output. When ENABLE terminal is a “L” level, output terminal OUT0~ OUT7 respond to the data, and on & off does. And, when ENABLE terminal is a “H” level, it offs with the output terminal regardless of the data. 3 2002-01-31 TB62710P/F/FN Terminal Description Pin No. P/FN-Type F-Type 11 22 33 45 6, 15 7~14 7, 18 9~16 17 21 16 20 18 22 19 23 20 24 5 4, 6, 8, 17, 19 .


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