Datasheet HT16D35A/HT16D35B (Holtek) - 4

HT16D35A/HT16D35B D.C. Characteristics
VDD=5V, LED_VDD=5V; Ta=25°C
Test Conditions Symbol Parameter Min. Typ. Max. Unit VDD Conditions
VDD Logic Supply Voltage — — 2.7 — 5.5 V LED_VDD LED Supply Voltage — — 4.5 — 5.5 V ISTB Standby Current 5V No load, Power down mode (System OSC off, LED display off) — 1 2 μA IDD Operating Current 5V No load, LED ON, R_EXT=500Ω Internal RC OSC, ROW output all on — 4.5 7.0 mA ILED_VDD Operating Current 5V No load, LED ON, R_EXT=500Ω Internal RC OSC, ROW output all on — 2.1 3.5 mA VIH Input High Voltage 5V DIO, CLK, SDA, SCL, CSB, OSC, SYNC 0.7VDD — 5 V VIL Input Low Voltage 5V DIO, CLK, SDA, SCL, CSB, OSC, SYNC 0 — 0.3VDD V IOH1 High level output current 5V VOH=4.5V, OSC, SYNC, DIO -10 -13 — mA IOL1 Low level output current 5V VOL=0.5V, OSC, SYNC, DIO, SDA 18 25 — mA IOH2 COM Source Current 5V VOH=4.5V 250 400 — mA IOL2 COM Sink Current 5V VOL=0.5V -45 -60 — mA 5V R_EXT=500Ω, V I DS=1V — 30 — mA ROW ROW Sink current 5V R_EXT=1500Ω, VDS=1V — 10 — mA 5V R_EXT=500Ω, V dI DS=1V (1) — ±3.0 — % ROW1 Bit Current Skew 5V R_EXT=1500Ω, VDS=1V (1) — ±3.0 — % 5V R_EXT=500Ω, V dI DS=1V (2) — ±3.0 — % ROW2 Channel Current Skew 5V R_EXT=1500Ω, VDS=1V (2) — ±3.0 — % %/dV Output Current vs. DS Output Voltage Regulation 5V VDS=0.7V~2.0V, VDD=5.0V (3) — ±0.3 — %/V %/dV Output Current vs. DD Supply Voltage Regulation — VDD=4.5V~5.5V, VDS=1.0V (4) — ±0.3 — %/V Note: 1. Bit Skew I PIN dI ROW_(n+1) (VDS = 1V) – IROW_n (VDS = 1V) ROW (%) = × 100%, (n: ROW number) (IROW_(n+1) (VDS = 1V) + IROW_n (VDS = 1V))/2 2. Channel Skew I + dI ROW_MAX – IROW_AVG ROW (%) = × 100%, (n: ROW number) IROW_AVG I - dI ROW_MIN – IROW_AVG ROW (%) = × 100%, (n: ROW number) IROW_AVG IROW_AVG: the average current for (IROW_MAX + IROW_MIN)/2 of all test ROW pins on VDS = 1V IROW_MAX: the max current of all test ROW pins on VDS = 1.0V IROW_MIN: the min current of all test ROW pins on VDS = 1.0V I 3. %/dV ROW_MAX – IROW_MIN DS (%/V) = × 100% (2.0V – 0.7V) × IROW_AVG IROW_AVG: the average current for (IROW_MAX + IROW_MIN)/2 of all test ROW pins between VDS = 0.7V and 2.0V IROW_MAX: the max current of all test ROW pins between VDS = 0.7V and 2.0V IROW_MIN: the min current of all test ROW pins between VDS = 0.7V and 2.0V Rev. 1.00 4 July 12, 2017 Document Outline Features Applications General Description Selection Table Block Diagram Pin Assignment Pin Description Absolute Maximum Ratings D.C. Characteristics A.C. Characteristics A.C. Characteristics – SPI 3-wire Serial Bus A.C. Characteristics – I2C Serial Bus Timing Diagrams SPI 3-Wire Serial Bus Timing I2C Bus Timing Power on Reset Timing Functional Description Power-on Reset LED Driver System Oscillator ROW Driver Outputs Column Driver Outputs Address Pointer Over Temperature Protection Constant Current Output Setting the Output Current Load Supply Voltage – LED_V Display Data RAM – DDRAM LED Driver Output Waveform Output Signal Timing Fade Data RAM Universal COM (UCOM) RAM Data Universal SEG (USEG) RAM Data Matrix Masking RAM Data Command Description – Command Table Software Reset Binary/Gray Select Number of COM Outputs Global Blinking Cascade Mode System Control Constant Current Ratio Global Brightness Mode Control Scrolling Control Scrolling Speed COM Pin Control ROW Pin Control Direct Pin Control Read Flag Read Status Write Display Data Write Fade Data Write UCOM Data Write USEG Data Write Matrix Masking Data SPI 3-wire Serial Interface I2C Serial Interface Power Supply Sequence Operation Flow Chart Application Circuits LED Matrix Circuit Single LED IC Application Cascade Function Cascade Control Flow Package Information 48-pin LQFP (7mm×7mm) Outline Dimensions (Exposed Pad)