X40021V14-AT1 Intersil, X40021V14-AT1 Datasheet
X40021V14-AT1
Specifications of X40021V14-AT1
Related parts for X40021V14-AT1
X40021V14-AT1 Summary of contents
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... CC Logic CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | 1-888-INTERSIL or 1-888-468-3774 Intersil (and design registered trademark of Intersil Americas Inc. All other trademarks mentioned are the property of their respective owners. X40020, X40021 FN8112.1 Level Standard V , Level Suffix TRIP2 2.9V(± ...
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... X4002 0VA X40021V14-A X40020V14Z-A X4002 0VZA X40021V14Z-A (Note) (Note) X40020V14I-A X4002 0VIA X40021V14I-A X4002 1VIA X40020V14IZ-A X4002 0VZIA X40021V14IZ-A (Note) (Note) *Add "T1" suffix for tape and reel. NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations ...
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... Once selected, the interval does not change, even after cycling the power. The device features an 2-wire interface and software protocol allowing operation on a two-wire bus. The device utilizes Intersil’s proprietary Direct Write cell, providing a minimum endurance of 100,000 cycles and a minimum data retention of 100 years. with V ...
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PIN DESCRIPTION (Continued) Pin Name 7 V Ground SS 8 SDA Serial Data. SDA is a bidirectional pin used to transfer data into and out of the device. It has an open drain output and may be wire ORed with ...
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PRINCIPLES OF OPERATION Power-on Reset Applying power to the X40020/21 activates a Power- on Reset Circuit that pulls the RESET/RESET pins active. This signal provides several benefits. – It prevents the system microprocessor from starting to operate with insufficient voltage. ...
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Figure 3. V Set/Reset Conditions TRIPX V TRIPX WDO 0 SCL SDA A0h Figure 4. Watchdog Restart .6µs 1.3µs SCL SDA Start WDT Reset V1 AND V2 THRESHOLD PROGRAM PROCEDURE (OPTIONAL) The X40020/21 is shipped with standard V1 and V2 ...
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Resetting the V Voltage TRIPx To reset a V voltage, apply the programming volt- TRIPx age (Vp) to the WDO pin before a START condition is set up on SDA. Next, issue on the SDA pin the Slave Address A0h ...
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Figure 6. V Set/Reset Sequence ( TRIPX New V applied = X Old V applied + | Error | X Error < MDE WEL: Write Enable Latch (Volatile) The WEL bit controls the access to the memory ...
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BP: Block Protect Bit (Nonvolatile) The Block Protect Bits BP determines which blocks of the array are write protected. A write to a protected block of memory is ignored. The block protect bit will prevent write operations to half the ...
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Figure 7. Valid Data Changes on the SDA Bus SCL SDA At power-up, the Fault Detection Register is defaulted to all “0”. The system needs to initialize this register to all “1” before the actual monitoring take place. In the ...
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Figure 8. Valid Start and Stop Conditions SCL SDA Serial Acknowledge Acknowledge is a software convention used to indi- cate successful data transfer. The transmitting device, either master or slave, will release the bus after trans- mitting eight bits. During ...
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Figure 10. Byte Write Sequence Signals from the Master SDA Bus Signals from the Slave Stops and Write Modes Stop conditions that terminate write operations must be sent by the master after sending at least 1 full data byte plus ...
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Read Operation Prior to issuing the Slave Address Byte with the R/W bit set to one, the master must first perform a “dummy” write operation. The master issues the start condition and the Slave Address Byte, receives an acknowledge, then ...
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Figure 13. Slave Address, Word Address, and Data Bytes Slave Byte General Purpose Memory Control Register Fault Detection Register Word Address General Purpose Memory Control Register 1 ...
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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, 10s) .................... 300°C ...
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D.C. OPERATING CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified) Symbol Parameter (7) V Schmitt Trigger Input Hysteresis HYS • Fixed input level V • related level CC V Output LOW Voltage (SDA, RESET/RE- OL SET, LOWLINE, V2FAIL, WDO) ...
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CAPACITANCE Symbol (1) C Output Capacitance (SDA, RESET, RESET/LOWLINE, OUT V2FAIL, WDO) (1) C Input Capacitance (SCL, WP) IN Note: (1) This parameter is not 100% tested. EQUIVALENT A.C. OUTPUT LOAD CIRCUIT FOR OUT ...
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A.C. CHARACTERISTICS Symbol f SCL Clock Frequency SCL t Pulse width Suppression Time at inputs IN t SCL LOW to SDA Data Out Valid AA t Time the bus free before start of new transmission BUF t Clock LOW Time ...
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WP Pin Timing START SCL SDA IN t SU:WP WP Write Cycle Timing SCL SDA th 8 Bit of Last Byte Nonvolatile Write Cycle Timing Symbol (1) t Write Cycle Time WC Note: ( the time from a ...
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RESET/RESET/MR Timings V TRIP1 PURST t R RESET V RVALID RESET MR LOW VOLTAGE AND WATCHDOG TIMINGS PARAMETERS (@25°C, VCC = 5V) Symbol ( RESET/RESET (Power-down only) RPD1 TRIP1 LOWLINE RPDL ...
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Watchdog Time Out For 2-Wire Interface Start Clockin ( SCL SDA WDO Minimum Sequence to Reset WDT SCL SDA V Set/Reset Conditions TRIPX (V TRIPX t TSU WDO t VPS SCL 0 SDA A0h Start 21 X40020, 40021 ...
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Programming Specifications: V TRIP1 TRIP2 Parameter t WDO Program Voltage Setup time VPS t WDO Program Voltage Hold time VPH t V Level Setup time TSU TRIPX t V Level Hold (stable) time THD TRIPX t V ...
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Small Outline Package Family (SO PIN #1 I.D. MARK 0.010 SEATING PLANE 0.004 C 0.010 MDP0027 SMALL OUTLINE PACKAGE FAMILY (SO) SYMBOL SO-8 SO-14 ...
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... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...