X4285 XICOR [Xicor Inc.], X4285 Datasheet
X4285
Related parts for X4285
X4285 Summary of contents
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... Protect Logic Status Register EEPROM Array Watchdog Power on and Low Voltage + Generation - V TRIP www.xicor.com 16K x 8 Bit detection circuitry protects the CC falls below the set minimum RESET (X4283) RESET (X4285) Reset & Timebase Reset Characteristics subject to change without notice. CC returns ...
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X4283/85 – Preliminary Information standard Vtrip thresholds are available, however, Xicor’s unique circuits allow the threshold to be reprogrammed to meet custom requirements or to fine-tune the thresh- old for applications requiring higher precision. The memory portion of the device ...
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X4283/85 – Preliminary Information PRINCIPLES OF OPERATION Power On Reset Application of power to the X4283/85 activates a Power On Reset Circuit that pulls the RESET/RESET pin active. This signal provides several benefits. – It prevents the system microprocessor from ...
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X4283/85 – Preliminary Information Setting the V Voltage TRIP This procedure is used to set the V lower voltage value necessary to reset the trip point before setting the new value. To set the new V voltage, start ...
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X4283/85 – Preliminary Information Figure 4. V Programming Sequence TRIP New V Applied = CC Old V Applied + Error CC Emax = Maximum Allowed V Control Register The Control Register provides the user a mechanism for changing the Block ...
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X4283/85 – Preliminary Information The state of the Control Register can be read at any time by performing a random read at address FFFFh. Only one byte is read by each register read operation. The X4283/85 resets itself after the ...
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X4283/85 – Preliminary Information Table 1. Write Protect Enable Bit and WP Pin Function Memory Array not WP WPEN Block Protected LOW X Writes OK HIGH 0 Writes OK HIGH 1 Writes OK Writing to the Control Register Changing any ...
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X4283/85 – Preliminary Information Serial Start Condition All commands are preceded by the start condition, which is a HIGH to LOW transition of SDA when SCL is HIGH. The device continuously monitors the SDA and SCL lines for the start ...
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X4283/85 – Preliminary Information Serial Write Operations B W YTE RITE For a write operation, the device requires the Slave Address Byte and a Word Address Byte. This gives the master access to any one of the words in the ...
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X4283/85 – Preliminary Information Figure 10. Writing 12 bytes to a 64-byte page starting at location 60. 8 Bytes Address = 7 The master terminates the Data Byte loading by issuing a stop condition, which causes the device to begin ...
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X4283/85 – Preliminary Information Serial Read Operations Read operations are initiated in the same manner as write operations with the exception that the R/W bit of the Slave Address Byte is set to one. There are three basic read operations: ...
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X4283/85 – Preliminary Information There is a similar operation, called “Set Current Address” where the device does no operation, but enters a new address into the address counter if a stop is issued instead of the second start shown in ...
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X4283/85 – Preliminary Information Figure 15. X4283/85 Addressing Device Identifier (X1) D7 Operational Notes The device powers-up in the following state: – The device is in the low power standby state. – The WEL bit is set ...
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X4283/85 – Preliminary Information ABSOLUTE MAXIMUM RATINGS Temperature under bias ................... -65°C to +135°C Storage temperature ........................ -65°C to +150°C Voltage on any pin with respect to V .......................................-1.0V to +7V SS D.C. output current ............................................... 5mA Lead temperature (soldering, ...
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X4283/85 – Preliminary Information CAPACITANCE (T = 25° 1.0 MHz Symbol (4) C Output Capacitance (SDA, RST/RST) OUT (4) C Input Capacitance (SCL, WP) IN Note: (4) This parameter is periodically sampled and not 100% tested. ...
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X4283/85 – Preliminary Information TIMING DIAGRAMS Bus Timing t F SCL t SU:STA t HD:STA SDA IN SDA OUT WP Pin Timing START SCL SDA IN WP Write Cycle Timing SCL th SDA 8 Bit of Last Byte Nonvolatile Write ...
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... X4283/85 – Preliminary Information Power-Up and Power-Down Timing V TRIP Volts t R RESET (X4285) RESET (X4283) RESET Output Timing Symbol V Reset Trip Point Voltage, X4283/85-4.5A TRIP Reset Trip Point Voltage, X4283/85 Reset Trip Point Voltage, X4283/85-2.7A Reset Trip Point Voltage, X4283/85-2.7 ...
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X4283/85 – Preliminary Information RESET Output Timing Symbol Parameter t Watchdog Time Out Period, WDO WD1 = 1, WD0 = 0 WD1 = 0, WD0 = 1 WD1 = 0, WD0 = 0 (factory setting) t Reset Time Out RST ...
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X4283/85 – Preliminary Information PACKAGING INFORMATION 8-Lead Plastic Small Outline Gull Wing Package Type S Pin 1 Index 0.010 (0.25) 0.020 (0.50) 0° - 8° 0.016 (0.410) 0.037 (0.937) NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) REV 1.17 ...
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X4283/85 – Preliminary Information PACKAGING INFORMATION 0° – 8° Detail A (20X) See Detail “A” NOTE: ALL DIMENSIONS IN INCHES (IN PARENTHESES IN MILLIMETERS) REV 1.17 11/27/00 8-Lead Plastic, TSSOP, Package Type V .025 (.65) BSC .169 (4.3) .177 (4.5) ...
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... Part Number RESET (Active HIGH) X4285S8–4.5A X4285S8I–4.5A X4285V8–4.5A X4285V8I–4.5A X4285S8 X4285S8I X4285V8 X4285V8I X4285S8–2.7A X4285S8I–2.7A X4285V8–2.7A X4285V8I–2.7A X4285S8–2.7 X4285S8I–2.7 X4285V8–2.7 X4285V8I–2.7 X4283/85 X Blank = 8-Lead SOIC XX Characteristics subject to change without notice ...
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X4283/85 – Preliminary Information 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 ...