X9221UPM XICOR [Xicor Inc.], X9221UPM Datasheet
X9221UPM
Related parts for X9221UPM
X9221UPM Summary of contents
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A N PPLICATION OTES AN20 • AN42 • AN44–48 • AN50 • AN52 • AN53 • AN73 X9221 Advance Information Terminal Voltage 5V, 64 Taps 2 Dual E POT FEATURES • ...
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X9221 PIN DESCRIPTIONS Host Interface Pins Serial Clock (SCL) The SCL input is used to clock data into and out of the X9221. Serial Data (SDA) SDA is a bidirectional pin used to transfer data into and out of the ...
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X9221 Acknowledge Acknowledge is a software convention used to provide a positive handshake between the master and slave devices on the bus to indicate the successful receipt of data. The transmitting device, either the master or the slave, will release ...
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X9221 Instruction Structure The next byte sent to the X9221 contains the instruction and register pointer information. The four most signifi- cant bits are the instruction. The next four bits point to one of two pots and when applicable they ...
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X9221 Figure 4. Three-Byte Command Sequence SCL SDA Figure 5. Increment/Decrement Command Sequence SCL SDA ...
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X9221 Table 1. Instruction Set Instruction Read WCR 1 0 Write WCR 1 0 Read Data 1 0 Register Write Data 1 1 Register XFR Data Reg ister to WCR XFR WCR to 1 ...
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X9221 DETAILED OPERATION 2 Both E POT potentiometers share the serial interface and share a common architecture. Each potentiometer is comprised of a resistor array, a wiper counter register and four data registers. A detailed discussion of the register organization ...
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X9221 ABSOLUTE MAXIMUM RATINGS* Temperature under Bias .................. – +135 C Storage Temperature ....................... – +150 C Voltage on SCK, SCL or any Address Input with Respect ................................... Voltage on any V or ...
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X9221 ENDURANCE AND DATA RETENTION Parameter Minimum Endurance Data Retention CAPACITANCE Symbol (5) C Input/Output Capacitance (SDA) I/O IN (5) C Input Capacitance (A0, A1, A2, A3 and SCL) POWER-UP TIMING Symbol PUR (6) t Power-up to Initiation of Read ...
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X9221 A.C. CHARACTERISTICS (Over recommended operating conditions unless otherwise stated) Symbol f SCL Clock Frequency SCL t Clock LOW Period LOW t Clock HIGH Period HIGH t SCL and SDA Rise Time R t SCL and SDA Fall Time F ...
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X9221 Figure 11. Output Bus Timing SCL SDA OUT (ACK) SDA Figure 12. Start Stop Timing SCL t SU:STA SDA DATA IN Figure 13. Write Cycle and Wiper Response Timing SCL CLOCK 8 SDA IN SDA WIPER OUTPUT t AA ...
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X9221 PACKAGING INFORMATION 20-LEAD PLASTIC DUAL IN-LINE PACKAGE TYPE P PIN 1 INDEX PIN 1 SEATING PLANE (3.81) 0.150 (2.92) 0.1150 0.014 (0.356) 0.008 (0.2032) NOTE: 1. ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) 2. PACKAGE DIMENSIONS EXCLUDE MOLDING ...
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X9221 PACKAGING INFORMATION 20-LEAD PLASTIC SMALL OUTLINE GULL WING 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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X9221 ORDERING INFORMATION 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 the ...