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STP08CDC596B1 Datasheet(PDF) 1 Page - STMicroelectronics |
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STP08CDC596B1 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 20 page 1/20 October 2005 ■ 8 CONSTANT CURRENT OUTPUT CHANNELS ■ ADJUSTABLE OUTPUT CURRENT THROUGH ONE EXTERNAL RESISTOR ■ OPEN AND SHORT LINE, SHORT TO GND, SHORT TO V-LED SUPPLY ERROR DETECTION ■ SERIAL DATA IN/PARALLEL DATA OUT ■ SERIAL OUT CHANGE STATE ON THE FALLING EDGES OF CLOCK ■ OUTPUT CURRENT: 20-120 mA ■ 25 MHz CLOCK FREQ. DESCRIPTION The STP08CDC596 is a monolithic, medium-voltage, low current power 8-bit shift register designed for LED panel display. The STP08CDC596 contains a 8-bit serial-in, parallel-out shift register that feeds a 8-bitD-type storage register. In the output stage, eight regulated current sources were designed to provide 15-120mA constant current to drive the LEDs. The STP08CDC596 contains the built-IN error detection feature. The device performs this additional function without any increase of the pin number and any change of the pin function, if compared to the standard device without error detection. Consequently, choosing this device does not mean to change the footprint on the board. To perform this functionality mode, the device needs a digital key coming from the Microprocessor. The STP08CDC596 is able to detect: open and short on the LED line, short to GND, short to Led voltage supply. The data mapping of output channels status detection is provided by a feedback from the serial output to the Microprocessor. Trough an external resistor, users may adjust the STP08CDC596 output current, controlling the light intensity of LEDs. The STP08CDC596 guarantees 16V output driving capability, allowing users to connect more LEDs in series. The high clock frequency, 25 MHz, also satisfies the system requirement of high volume data transmission. The device is offered in DIP-16, SO-16 and TSSOP-16 packages. The STP08CDC596 is well suitable for traffic display signs where the detection feature is strongly required. Table 1: Order Codes Type Temp. Range Package Comments STP08CDC596B1 -40°C to 125°C DIP-16 25 part per tube STP08CDC596M -40°C to 125°C SO-16 (Tube) 50 parts per tube STP08CDC596MTR -40°C to 125°C SO-16 (Tape & Reel) 2500 parts per reel STP08CDC596TTR -40°C to 125°C TSSOP16 (Tape & Reel) 2500 parts per reel STP08CDC596 8-BIT CONSTANT CURRENT LED SINK DRIVER WITH FULL OUTPUT DETECTION SO-16 DIP-16 TSSOP16 Rev. 2 |
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