link to page 8 ADG1414Data SheetTIMING CHARACTERISTICS All input signals are specified with tR = tF = 1 ns/V (10% to 90% of VDD) and timed from a voltage level of (VIL + VIH)/2 (see Figure 2). VDD = 4.5 V to 16.5 V; VSS = −16.5 V to 0 V; VL = 2.7 V to 5.5 V or VDD (whichever is less); GND = 0 V; all specifications TMIN to TMAX, unless otherwise noted. Guaranteed by design and characterization, not production tested. Table 6. Parameter LimitatTMIN, TMAX UnitConditions/Comments t 1 1 20 ns min SCLK cycle time t2 9 ns min SCLK high time t3 9 ns min SCLK low time t4 5 ns min SYNC to SCLK active edge setup time t5 5 ns min Data setup time t6 5 ns min Data hold time t7 5 ns min SCLK active edge to SYNC rising edge t8 15 ns min Minimum SYNC high time t9 5 ns min SYNC rising edge to next SCLK active edge ignored t10 5 ns min SCLK active edge to SYNC falling edge ignored t 2 11 40 ns max SCLK rising edge to SDO valid t12 15 ns min Minimum RESET pulse width 1 Maximum SCLK frequency is 50 MHz at VDD = 4.5 V to 16.5 V; VSS = −16.5 V to 0 V, VL = 2.7 V to 5.5 V or VDD (whichever is less); GND = 0 V. 2 Measured with the 1 kΩ pull-up resistor to VL and 20 pF load. t11 determines the maximum SCLK frequency in daisy-chain mode. Timing Diagramst10t1t9SCLKtt8t23t7t4SYNCt6t5DINDB7DB0RESET 02 0 t 7- 12 49 08 Figure 2. Serial Write Operation t1SCLK816ttt29t38t4t7SYNCt5 t6DINDB7DB0DB7DB0INPUT WORD FOR DEVICE NINPUT WORD FOR DEVICE N + 1t11SDODB31DB0 3 -00 97 UNDEFINEDINPUT WORD FOR DEVICE N 84 0 Figure 3. Daisy-Chain Timing Diagram Rev. B | Page 8 of 19 Document Outline Features Applications Functional Block Diagram Product Highlights Revision History Specifications ±15 V Dual Supply 12 V Single Supply ±5 V Dual Supply Continuous Current per Channel Timing Characteristics Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Test Circuits Terminology Theory of Operation Serial Interface Input Shift Register Power-On Reset Daisy Chaining Outline Dimensions Ordering Guide