X9420WP XICOR [Xicor Inc.], X9420WP Datasheet
X9420WP
Related parts for X9420WP
X9420WP Summary of contents
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A N PPLICATION OTES AN99 • AN115 • AN120 • AN124 • AN133 • AN134 • AN135 Low Noise/Low Power/SPI Bus Single Digitally Controlled (XDCP) Potentiometer FEATURES • Solid-State Potentiometer • ...
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X9420 PIN DESCRIPTIONS Host Interface Pins Serial Output (SO push/pull serial data output pin. During a read cycle, data is shifted out on this pin. Data is clocked out by the falling edge of the serial clock. ...
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X9420 PIN NAMES Symbol Description SCK Serial Clock SI, SO Serial Data A0 Device Address Potentiometer Pins (terminal equivalent Potentiometer Pins (wiper equivalent Hardware Write Protection ...
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X9420 Figure 1. Detailed Potentiometer Block Diagram Serial Data Path From Interface Circuitry Register 0 REGISTER 2 IF WCR = 00[H] THEN WCR = 3F[H] THEN Write in Process ...
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X9420 The four high order bits of the instruction byte specify the operation. The next two bits (R of the four registers that acted upon when a register oriented instruction is issued. The last two bits are ...
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X9420 Figure 5. Three-Byte Instruction Sequence (Write) CS SCL Figure 6. Three-Byte Instruction Sequence (Read) CS SCL Figure 7. Increment/Decrement Instruction Sequence CS SCK SI ...
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X9420 Table 3. Instruction Set Instruction Read Wiper Counter 1 0 Register Write Wiper Counter 1 0 Register Read Data Register 1 0 Write Data Register 1 1 XFR Data Register Wiper Counter ...
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X9420 Instruction Format Notes: (1) “A1 ~ A0”: stands for the device addresses sent by the master. (2) WPx refers to wiper position data in the Wiper Counter Register “I”: stands for the increment operation, SI held HIGH during active ...
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X9420 Transfer Wiper Counter Register (WCR) to Data Register (DR) device type device CS identifier addresses Falling A Edge Increment/Decrement Wiper Counter Register (WCR) device type device CS identifier addresses Falling A ...
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X9420 ABSOLUTE MAXIMUM RATINGS Temperature under bias.................... –65°C to +135°C Storage temperature......................... –65°C to +150°C Voltage on SCK, SCL or any address input with respect to V Voltage on V+ (referenced Voltage on V- (referenced to V ...
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X9420 D.C. OPERATING CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified.) Symbol Parameter I V Supply Current (Active) CC1 Supply Current CC2 CC (Non-volatile Write Current (Standby Input Leakage Current LI ...
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X9420 A.C. TEST CONDITIONS I nput pulse levels V Input rise and fall times 10ns Input and output timing level V AC TIMING Symbol f SSI/SPI Clock Frequency SCK t SSI/SPI Clock Cycle Time CYC t SSI/SPI Clock High Time ...
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X9420 HIGH-VOLTAGE WRITE CYCLE TIMING Symbol t High-voltage Write Cycle Time (Store Instructions) WR XDCP TIMING Symbol t Wiper Response Time After The Third (Last) Power Supply Is Stable WRPO t Wiper Response Time After Instruction Issued (All Load Instructions) ...
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X9420 TIMING DIAGRAMS Input Timing CS t LEAD SCK MSB SI High Impedance SO Output Timing CS SCK t MSB SO ADDR SI Hold Timing CS SCK HOLD REV 1.1.6 7/30/02 t CYC ...
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X9420 XDCP Timing (for All Load Instructions) CS SCK MSB High Impedance SO XDCP Timing (for Increment/Decrement Instruction) CS SCK V W ADDR SI High Impedance SO Write Protect and Device Address Pins Timing ...
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X9420 APPLICATIONS INFORMATION Electronic potentiometers provide three powerful application advantages: (1) the variability and reliability of a solid- state potentiometer, (2) the flexibility of computer-based digital controls, and (3) the retentivity of nonvolatile memory used for the storage of multiple ...
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X9420 PACKAGING INFORMATION 16-Lead Hermetic Dual In-Line Package Type D Seating Plane 0.200 (5.08) 0.150 (3.81) Min. 0.125 (3.18) 0.110 (2.79) 0.090 (2.29) Typ. 0.100 (2.54) NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) REV 1.1.6 7/30/02 0.735 (18.67) ...
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X9420 PACKAGING INFORMATION 16-Lead Plastic SOIC (300 Mil Body) Package Type S PIN 1 INDEX PIN 1 (4X) 7° 0.050 (1.27) 0.010 (0.25) 0.020 (0.50) 0 – 8 0.015 (0.40) 0.050 (1.27) NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN ...
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X9420 PACKAGING INFORMATION 0° - 8° See Detail “A” NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) REV 1.1.6 7/30/02 14-Lead Plastic, TSSOP, Package Type V .025 (.65) BSC .169 (4.3) .177 (4.5) .193 (4.9) .200 (5.1) .0075 (.19) ...
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X9420 Ordering Information X9420 Device LIMITED WARRANTY Devices sold by Xicor, Inc. are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. Xicor, Inc. makes no warranty, express, statutory, implied description regarding ...