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AS1116 Datasheet(PDF) 3 Page - ams AG |
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AS1116 Datasheet(HTML) 3 Page - ams AG |
3 / 24 page www.austriamicrosystems.com/LED-Driver-ICs/AS1116 Revision 1.08 2 - 23 AS1116 Datasheet - P i n o u t 4 Pinout Pin Assignments Figure 2. Pin Assignments (Top View) Pin Descriptions Table 1. Pin Descriptions Pin Name QSOP-24 TQFN(4x4)-24 Description SDI 1 22 Serial-Data Input. Data is loaded into the internal 16-bit shift register on the rising edge of pin SCL. DIG0:DIG7 2-5, 7-10 1, 2, 4, 5, 7, 8, 23, 24 Digit Drive Lines. Eight digit drive lines that sink current from the display cathode. GND 6 3 Ground. LD 11 9 Load. Serial Data is loaded into the shift register while this pin is low. The last 16 bits of serial data are latched on the rising edge of this pin. N/C 12 6 Not Connected. ISET 13 10 Set Segment Current. Connect to VDD or a reference voltage through RSET to set the peak segment current (see Selecting RSET Resistor Value and Using External Drivers on page 17 ). SCL 14 11 Serial-Clock Input. 10MHz maximum rate. Data is shifted into the internal shift register on the rising edge of this pin. Data is clocked out of pin SDO on the rising edge of this pin. SEGA:SEGG, SEGDP 15-18, 20-23 12-15, 17-20 Seven Segment and Decimal Point Drive Lines. 8 seven-segment drives and decimal point drive that source current to the display. VDD 19 16 Positive Supply Voltage. Connect to +2.7 to +5.5V supply. SDO 24 21 Serial-Data Output. The data into pin SDI is valid at pin SDO 16 clock cycles later. This pin is used to daisy-chain several devices and is never high-impedance. - Exposed Pad Exposed Pad. This pin also functions as a heat sink. Solder it to a large pad or to the circuit-board ground plane to maximize power dissipation. AS1116 SEG E 8 18 SEGB 14 DIG2 1 GND 3 AS1116 DIG5 5 10 12 VDD 16 SEGC 17 SEGG 15 SEGF 13 DIG3 2 DIG4 4 N/C 6 11 9 7 23 21 19 20 22 24 |
Similar Part No. - AS1116_12 |
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Similar Description - AS1116_12 |
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